🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.89

Radius: 1.72

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.41 AU - 0.63 AU

Year: 137 Days

Day: 38.2 Hours

Environment

Temp: 233 °C

Axial Tilt: 22.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 82,720,214 km

• M1: 382,971 km (0.112 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.27 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.94

Radius: 1.54

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.06 AU - 1.48 AU

Year: 523 Days

Day: 44.6 Hours

Environment

Temp: 7 °C

Axial Tilt: 14.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.5

Radius: 1.44

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 2.52 AU - 3.82 AU

Year: 2061 Days

Day: 28.1 Hours

Environment

Temp: -108 °C

Axial Tilt: 2.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 82,720,214 km

• M1: 2,131,770 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.9

Radius: 12.8

Gravity: 5.97 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 4.31 AU - 6.41 AU

Year: 4532 Days

Day: 11.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 82,720,214 km

• M1: 162,014 km (0.067 R)
• M2: 292,015 km (0.088 R)
• M3: 422,315 km (0.119 R)
• M4: 636,689 km (0.064 R)
• M5: 721,211 km (0.065 R)
• M6: 823,387 km (0.088 R)
• M7: 1,146,518 km (0.059 R)
• M8: 1,284,148 km (0.114 R)
• M9: 1,644,978 km (0.074 R)
• M10: 1,766,601 km (0.107 R)
• M11: 2,000,722 km (0.074 R)
• M12: 2,420,344 km (0.09 R)
• M13: 2,539,723 km (0.113 R)
• M14: 2,640,702 km (0.116 R)
• M15: 2,825,904 km (0.115 R)
• M16: 3,015,594 km (0.055 R)
• M17: 3,701,351 km (0.034 R)
• M18: 4,121,421 km (0.098 R)
• M19: 4,556,901 km (0.034 R)
• M20: 5,032,772 km (0.086 R)
• M21: 5,135,097 km (0.083 R)
• M22: 5,263,900 km (0.097 R)
• M23: 6,086,389 km (0.113 R)
• M24: 6,722,629 km (0.119 R)
• M25: 6,948,971 km (0.082 R)
• M26: 7,120,410 km (0.045 R)
• M27: 7,293,195 km (0.069 R)
• M28: 7,613,634 km (0.087 R)
• M29: 8,541,739 km (0.088 R)
• M30: 8,694,778 km (0.085 R)
• M31: 9,065,930 km (0.089 R)
• M32: 9,727,901 km (0.09 R)
• M33: 10,307,592 km (0.111 R)
• M34: 10,700,436 km (0.094 R)
• M35: 10,865,593 km (0.046 R)
• M36: 12,113,837 km (0.117 R)
• M37: 13,018,007 km (0.088 R)
• M38: 13,513,924 km (0.096 R)
• M39: 13,907,964 km (0.11 R)
• M40: 14,233,190 km (0.03 R)
• M41: 14,487,806 km (0.046 R)
• M42: 15,001,674 km (0.085 R)
• M43: 15,112,676 km (0.085 R)
• M44: 15,223,827 km (0.114 R)
• M45: 15,783,772 km (0.107 R)
• M46: 15,971,966 km (0.108 R)
• M47: 16,085,212 km (0.114 R)
• M48: 16,655,629 km (0.1 R)
• M49: 16,770,370 km (0.085 R)
• M50: 17,078,093 km (0.036 R)
• M51: 17,698,924 km (0.118 R)
• M52: 19,202,981 km (0.111 R)
• M53: 19,363,649 km (0.118 R)
• M54: 19,889,037 km (0.07 R)
• M55: 20,337,232 km (0.029 R)
• M56: 22,416,493 km (0.089 R)
• M57: 22,755,482 km (0.098 R)
• M58: 23,096,116 km (0.037 R)
• M59: 23,181,536 km (0.119 R)
• M60: 24,258,192 km (0.099 R)
• M61: 24,519,091 km (0.041 R)
• M62: 24,737,205 km (0.042 R)
• M63: 25,263,191 km (0.069 R)
• M64: 26,014,771 km (0.075 R)
• M65: 26,460,273 km (0.085 R)
• M66: 26,863,439 km (0.118 R)
• M67: 27,133,314 km (0.047 R)
• M68: 27,358,907 km (0.101 R)
• M69: 27,449,265 km (0.097 R)
• M70: 28,404,597 km (0.088 R)
• M71: 28,679,557 km (0.1 R)
• M72: 28,771,410 km (0.115 R)
• M73: 29,001,492 km (0.079 R)
• M74: 29,927,952 km (0.062 R)
• M75: 30,161,025 km (0.111 R)
• M76: 30,394,697 km (0.097 R)
• M77: 30,675,941 km (0.05 R)
• M78: 30,863,985 km (0.096 R)
• M79: 31,005,206 km (0.072 R)
• M80: 31,477,636 km (0.091 R)
• M81: 31,572,331 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80

Radius: 11.8

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 6.11 AU - 7.61 AU

Year: 6563 Days

Day: 14.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (60)

Outer Limit: 82,720,214 km

• M1: 149,598 km (0.065 R)
• M2: 276,756 km (0.12 R)
• M3: 499,956 km (0.108 R)
• M4: 628,461 km (0.11 R)
• M5: 760,855 km (0.088 R)
• M6: 894,446 km (0.118 R)
• M7: 1,622,987 km (0.066 R)
• M8: 1,787,395 km (0.102 R)
• M9: 2,184,129 km (0.059 R)
• M10: 2,274,636 km (0.086 R)
• M11: 2,379,653 km (0.056 R)
• M12: 2,499,930 km (0.066 R)
• M13: 3,146,043 km (0.104 R)
• M14: 3,234,156 km (0.084 R)
• M15: 3,412,776 km (0.113 R)
• M16: 3,842,571 km (0.077 R)
• M17: 4,257,107 km (0.049 R)
• M18: 4,420,318 km (0.12 R)
• M19: 4,519,352 km (0.112 R)
• M20: 5,111,759 km (0.081 R)
• M21: 5,373,107 km (0.09 R)
• M22: 5,549,931 km (0.091 R)
• M23: 5,710,600 km (0.104 R)
• M24: 6,202,178 km (0.105 R)
• M25: 6,443,779 km (0.056 R)
• M26: 6,669,522 km (0.052 R)
• M27: 6,840,662 km (0.033 R)
• M28: 7,440,998 km (0.1 R)
• M29: 7,539,433 km (0.092 R)
• M30: 7,658,214 km (0.098 R)
• M31: 7,737,651 km (0.112 R)
• M32: 7,977,755 km (0.088 R)
• M33: 8,650,796 km (0.12 R)
• M34: 9,025,688 km (0.053 R)
• M35: 9,215,079 km (0.083 R)
• M36: 9,299,752 km (0.065 R)
• M37: 9,405,817 km (0.033 R)
• M38: 9,640,835 km (0.039 R)
• M39: 10,007,798 km (0.103 R)
• M40: 10,203,921 km (0.117 R)
• M41: 10,379,250 km (0.103 R)
• M42: 10,799,919 km (0.077 R)
• M43: 11,113,476 km (0.035 R)
• M44: 11,566,608 km (0.117 R)
• M45: 11,818,381 km (0.115 R)
• M46: 11,956,610 km (0.107 R)
• M47: 12,118,325 km (0.08 R)
• M48: 12,350,800 km (0.097 R)
• M49: 12,914,784 km (0.08 R)
• M50: 13,104,624 km (0.09 R)
• M51: 13,824,788 km (0.052 R)
• M52: 13,921,877 km (0.112 R)
• M53: 14,189,807 km (0.051 R)
• M54: 15,479,490 km (0.042 R)
• M55: 15,706,580 km (0.057 R)
• M56: 16,291,657 km (0.115 R)
• M57: 16,522,636 km (0.049 R)
• M58: 16,599,829 km (0.058 R)
• M59: 16,806,423 km (0.032 R)
• M60: 17,222,006 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.6

Radius: 13.8

Gravity: 5.02 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.63 AU - 8.35 AU

Year: 6750 Days

Day: 12 Hours

Environment

Temp: -152 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 82,720,214 km

• M1: 296,503 km (0.112 R)
• M2: 417,677 km (0.098 R)
• M3: 686,804 km (0.096 R)
• M4: 775,067 km (0.089 R)
• M5: 931,995 km (0.11 R)
• M6: 1,066,034 km (0.06 R)
• M7: 1,298,659 km (0.089 R)
• M8: 1,489,396 km (0.094 R)
• M9: 1,751,941 km (0.119 R)
• M10: 2,118,306 km (0.106 R)
• M11: 2,253,542 km (0.098 R)
• M12: 2,345,395 km (0.095 R)
• M13: 2,701,289 km (0.085 R)
• M14: 2,799,126 km (0.081 R)
• M15: 2,923,292 km (0.119 R)
• M16: 4,122,618 km (0.049 R)
• M17: 4,938,525 km (0.028 R)
• M18: 5,089,469 km (0.042 R)
• M19: 5,242,059 km (0.092 R)
• M20: 5,489,494 km (0.085 R)
• M21: 5,614,558 km (0.086 R)
• M22: 5,835,813 km (0.078 R)
• M23: 6,221,925 km (0.055 R)
• M24: 6,550,143 km (0.106 R)
• M25: 6,649,775 km (0.086 R)
• M26: 6,850,386 km (0.113 R)
• M27: 7,568,605 km (0.075 R)
• M28: 7,673,324 km (0.096 R)
• M29: 8,025,477 km (0.084 R)
• M30: 8,167,745 km (0.101 R)
• M31: 8,892,247 km (0.04 R)
• M32: 9,336,852 km (0.094 R)
• M33: 9,712,941 km (0.118 R)
• M34: 10,170,860 km (0.105 R)
• M35: 10,831,783 km (0.104 R)
• M36: 11,068,447 km (0.095 R)
• M37: 11,991,167 km (0.06 R)
• M38: 12,441,307 km (0.078 R)
• M39: 12,606,313 km (0.117 R)
• M40: 13,064,083 km (0.103 R)
• M41: 13,442,565 km (0.115 R)
• M42: 13,952,993 km (0.052 R)
• M43: 14,600,004 km (0.11 R)
• M44: 15,168,626 km (0.084 R)
• M45: 15,923,197 km (0.095 R)
• M46: 16,282,531 km (0.086 R)
• M47: 16,963,501 km (0.058 R)
• M48: 17,330,614 km (0.093 R)
• M49: 17,607,520 km (0.092 R)
• M50: 18,730,252 km (0.083 R)
• M51: 19,731,510 km (0.108 R)
• M52: 19,876,022 km (0.077 R)
• M53: 21,985,202 km (0.075 R)
• M54: 22,939,786 km (0.076 R)
• M55: 23,959,146 km (0.036 R)
• M56: 25,358,784 km (0.105 R)
• M57: 26,359,444 km (0.109 R)
• M58: 26,891,414 km (0.085 R)
• M59: 27,051,633 km (0.115 R)
• M60: 27,158,596 km (0.112 R)
• M61: 27,480,530 km (0.079 R)
• M62: 28,128,140 km (0.055 R)
• M63: 28,399,510 km (0.089 R)
• M64: 30,489,991 km (0.115 R)
• M65: 31,779,225 km (0.094 R)
• M66: 32,572,692 km (0.113 R)
• M67: 33,775,160 km (0.085 R)
• M68: 34,063,585 km (0.113 R)
• M69: 34,875,602 km (0.033 R)
• M70: 35,342,347 km (0.116 R)
• M71: 36,341,362 km (0.075 R)
• M72: 36,636,967 km (0.11 R)
• M73: 36,992,711 km (0.058 R)
• M74: 37,827,318 km (0.032 R)
• M75: 38,006,985 km (0.107 R)
• M76: 38,367,067 km (0.109 R)
• M77: 38,728,346 km (0.091 R)
• M78: 39,697,291 km (0.112 R)
• M79: 40,062,759 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 634.8

Radius: 8.8

Gravity: 8.2 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 9.17 AU - 11.27 AU

Year: 11933 Days

Day: 6.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 82,720,214 km

• M1: 196,422 km (0.064 R)
• M2: 627,114 km (0.078 R)
• M3: 1,019,360 km (0.118 R)
• M4: 1,208,751 km (0.031 R)
• M5: 1,274,424 km (0.096 R)
• M6: 1,386,772 km (0.118 R)
• M7: 1,768,546 km (0.079 R)
• M8: 1,971,700 km (0.09 R)
• M9: 2,317,720 km (0.118 R)
• M10: 2,372,772 km (0.025 R)
• M11: 2,540,321 km (0.11 R)
• M12: 2,654,315 km (0.113 R)
• M13: 3,066,457 km (0.087 R)
• M14: 3,280,233 km (0.119 R)
• M15: 3,404,548 km (0.11 R)
• M16: 3,884,758 km (0.059 R)
• M17: 3,983,492 km (0.107 R)
• M18: 4,082,825 km (0.111 R)
• M19: 4,149,695 km (0.081 R)
• M20: 4,523,540 km (0.1 R)
• M21: 4,732,080 km (0.056 R)
• M22: 4,802,241 km (0.106 R)
• M23: 5,086,627 km (0.105 R)
• M24: 5,303,544 km (0.086 R)
• M25: 5,449,850 km (0.103 R)
• M26: 5,523,453 km (0.106 R)
• M27: 7,145,692 km (0.065 R)
• M28: 7,388,788 km (0.108 R)
• M29: 7,593,438 km (0.1 R)
• M30: 8,134,235 km (0.117 R)
• M31: 8,388,102 km (0.116 R)
• M32: 8,730,681 km (0.115 R)
• M33: 9,253,077 km (0.087 R)
• M34: 9,740,916 km (0.08 R)
• M35: 9,920,433 km (0.119 R)
• M36: 11,113,476 km (0.119 R)
• M37: 11,679,255 km (0.116 R)
• M38: 12,109,798 km (0.095 R)
• M39: 14,646,380 km (0.097 R)
• M40: 14,852,077 km (0.117 R)
• M41: 15,110,582 km (0.108 R)
• M42: 15,527,212 km (0.119 R)
• M43: 15,736,948 km (0.074 R)
• M44: 16,000,539 km (0.053 R)
• M45: 16,425,248 km (0.09 R)
• M46: 16,799,841 km (0.112 R)
• M47: 17,940,674 km (0.034 R)
• M48: 18,050,629 km (0.114 R)
• M49: 19,050,391 km (0.07 R)
• M50: 19,274,938 km (0.098 R)
• M51: 19,897,115 km (0.093 R)
• M52: 20,296,392 km (0.08 R)
• M53: 22,155,594 km (0.089 R)
• M54: 22,391,809 km (0.078 R)
• M55: 23,165,230 km (0.088 R)
• M56: 23,465,024 km (0.095 R)
• M57: 24,068,502 km (0.051 R)
• M58: 24,433,072 km (0.1 R)
• M59: 24,921,958 km (0.065 R)
• M60: 25,599,487 km (0.046 R)
• M61: 26,408,063 km (0.112 R)
• M62: 26,909,665 km (0.119 R)
• M63: 27,098,757 km (0.093 R)
• M64: 27,541,267 km (0.087 R)
• M65: 27,922,592 km (0.05 R)
• M66: 27,986,321 km (0.118 R)
• M67: 28,113,928 km (0.101 R)
• M68: 28,883,459 km (0.092 R)
• M69: 29,855,097 km (0.079 R)
• M70: 31,963,679 km (0.098 R)
• M71: 32,565,362 km (0.111 R)
• M72: 33,170,635 km (0.112 R)
• M73: 33,440,958 km (0.115 R)
• M74: 36,740,639 km (0.049 R)
• M75: 36,810,351 km (0.041 R)
• M76: 37,300,583 km (0.096 R)
• M77: 38,712,787 km (0.117 R)
• M78: 39,211,247 km (0.059 R)
• M79: 39,568,487 km (0.056 R)
• M80: 40,214,301 km (0.071 R)
• M81: 41,153,477 km (0.119 R)
• M82: 42,392,446 km (0.118 R)
• M83: 43,053,220 km (0.089 R)
• M84: 43,865,536 km (0.117 R)
• M85: 45,056,186 km (0.072 R)
• M86: 46,031,414 km (0.049 R)
• M87: 46,861,982 km (0.092 R)
• M88: 47,469,050 km (0.107 R)
• M89: 48,844,752 km (0.112 R)
• M90: 49,614,583 km (0.1 R)
• M91: 51,791,680 km (0.058 R)
• M92: 52,105,238 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 14.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 835.9

Radius: 3

Gravity: 92.88 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 14.51 AU - 14.83 AU

Year: 20523 Days

Day: 16.2 Hours

Environment

Temp: -194 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 82,720,214 km

• M1: 271,221 km (0.108 R)
• M2: 325,675 km (0.104 R)
• M3: 774,618 km (0.099 R)
• M4: 800,498 km (0.119 R)
• M5: 2,122,644 km (0.084 R)
• M6: 2,158,996 km (0.072 R)
• M7: 2,612,876 km (0.107 R)
• M8: 3,012,752 km (0.105 R)
• M9: 3,136,469 km (0.105 R)
• M10: 3,517,495 km (0.118 R)
• M11: 4,461,607 km (0.038 R)
• M12: 4,985,499 km (0.095 R)
• M13: 5,378,642 km (0.114 R)
• M14: 5,478,573 km (0.118 R)
• M15: 5,935,296 km (0.106 R)
• M16: 7,880,816 km (0.089 R)
• M17: 8,979,762 km (0.053 R)
• M18: 9,157,634 km (0.05 R)
• M19: 9,577,106 km (0.052 R)
• M20: 10,998,884 km (0.111 R)
• M21: 11,252,901 km (0.091 R)
• M22: 11,508,714 km (0.1 R)
• M23: 11,637,368 km (0.095 R)
• M24: 12,883,219 km (0.108 R)
• M25: 13,150,700 km (0.114 R)
• M26: 13,218,019 km (0.092 R)
• M27: 13,487,894 km (0.116 R)
• M28: 13,759,563 km (0.067 R)
• M29: 13,827,780 km (0.084 R)
• M30: 13,964,512 km (0.119 R)
• M31: 14,446,816 km (0.077 R)
• M32: 15,004,517 km (0.099 R)
• M33: 15,427,430 km (0.083 R)
• M34: 15,854,233 km (0.077 R)
• M35: 16,574,247 km (0.098 R)
• M36: 16,719,507 km (0.087 R)
• M37: 19,558,725 km (0.116 R)
• M38: 19,943,191 km (0.077 R)
• M39: 20,020,384 km (0.033 R)
• M40: 21,982,510 km (0.059 R)
• M41: 22,062,395 km (0.09 R)
• M42: 22,865,137 km (0.07 R)
• M43: 23,677,453 km (0.114 R)
• M44: 25,330,211 km (0.106 R)
• M45: 25,749,234 km (0.074 R)
• M46: 26,086,129 km (0.116 R)
• M47: 26,509,191 km (0.068 R)
• M48: 26,678,985 km (0.097 R)
• M49: 27,447,918 km (0.094 R)
• M50: 27,705,825 km (0.048 R)
• M51: 28,050,947 km (0.101 R)
• M52: 29,094,841 km (0.115 R)
• M53: 29,270,170 km (0.085 R)
• M54: 29,533,612 km (0.094 R)
• M55: 29,797,951 km (0.104 R)
• M56: 30,062,889 km (0.074 R)
• M57: 31,220,627 km (0.105 R)
• M58: 32,938,459 km (0.086 R)
• M59: 33,304,076 km (0.077 R)
• M60: 33,854,896 km (0.039 R)
• M61: 34,131,502 km (0.068 R)
• M62: 34,594,059 km (0.111 R)
• M63: 35,431,956 km (0.108 R)
• M64: 37,222,793 km (0.091 R)
• M65: 37,508,225 km (0.1 R)
• M66: 38,560,946 km (0.099 R)
• M67: 39,139,291 km (0.056 R)
• M68: 41,185,939 km (0.109 R)
• M69: 42,073,653 km (0.111 R)
• M70: 43,767,550 km (0.097 R)
• M71: 44,169,370 km (0.087 R)
• M72: 44,774,344 km (0.078 R)
• M73: 46,094,694 km (0.03 R)
• M74: 46,298,895 km (0.058 R)
• M75: 47,324,688 km (0.103 R)
• M76: 48,047,096 km (0.058 R)
• M77: 48,150,618 km (0.064 R)
• M78: 52,351,176 km (0.064 R)
• M79: 52,457,690 km (0.069 R)
• M80: 53,312,343 km (0.074 R)
• M81: 55,143,720 km (0.094 R)
• M82: 55,686,311 km (0.116 R)
• M83: 55,903,827 km (0.09 R)
• M84: 56,448,961 km (0.12 R)
• M85: 58,425,598 km (0.067 R)
• M86: 61,770,008 km (0.093 R)
• M87: 65,061,460 km (0.026 R)
• M88: 65,979,542 km (0.086 R)
• M89: 66,094,583 km (0.117 R)
• M90: 68,759,071 km (0.104 R)
• M91: 70,868,700 km (0.117 R)
• M92: 73,356,662 km (0.114 R)
• M93: 73,953,109 km (0.093 R)
• M94: 74,431,673 km (0.054 R)
• M95: 74,551,351 km (0.11 R)
• M96: 75,993,474 km (0.117 R)
• M97: 76,597,102 km (0.098 R)
• M98: 80,989,894 km (0.102 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 490 - 18,334 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit