🌌 Stone's Star System Generator

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 86.6

Radius: 11

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 0.71 AU - 0.71 AU

Year: 406 Days

Day: 13.2 Hours

Environment

Temp: -160 °C

Axial Tilt: 67.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 46,177,270 km

• M1: 136,882 km (0.07 R)
• M2: 238,160 km (0.029 R)
• M3: 324,627 km (0.084 R)
• M4: 404,513 km (0.119 R)
• M5: 476,768 km (0.095 R)
• M6: 548,127 km (0.062 R)
• M7: 626,217 km (0.057 R)
• M8: 733,030 km (0.066 R)
• M9: 857,046 km (0.106 R)
• M10: 953,088 km (0.117 R)
• M11: 1,027,588 km (0.093 R)
• M12: 1,133,204 km (0.109 R)
• M13: 1,257,819 km (0.099 R)
• M14: 1,340,397 km (0.099 R)
• M15: 1,453,643 km (0.07 R)
• M16: 1,693,298 km (0.102 R)
• M17: 1,812,827 km (0.102 R)
• M18: 1,907,074 km (0.085 R)
• M19: 1,977,983 km (0.039 R)
• M20: 2,057,120 km (0.11 R)
• M21: 2,177,696 km (0.061 R)
• M22: 2,263,266 km (0.08 R)
• M23: 2,342,403 km (0.118 R)
• M24: 2,460,885 km (0.087 R)
• M25: 2,731,956 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 579.6

Radius: 14.1

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 0.64 AU - 0.96 AU

Year: 485 Days

Day: 5.5 Hours

Environment

Temp: -168 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 46,177,270 km

• M1: 201,359 km (0.032 R)
• M2: 302,936 km (0.095 R)
• M3: 403,765 km (0.077 R)
• M4: 505,491 km (0.088 R)
• M5: 615,146 km (0.083 R)
• M6: 718,967 km (0.06 R)
• M7: 829,819 km (0.034 R)
• M8: 1,113,756 km (0.094 R)
• M9: 1,331,271 km (0.115 R)
• M10: 1,450,950 km (0.069 R)
• M11: 1,552,676 km (0.053 R)
• M12: 1,645,876 km (0.068 R)
• M13: 1,741,170 km (0.102 R)
• M14: 1,878,949 km (0.106 R)
• M15: 2,068,490 km (0.069 R)
• M16: 2,239,779 km (0.096 R)
• M17: 2,339,860 km (0.098 R)
• M18: 2,499,332 km (0.108 R)
• M19: 2,603,452 km (0.106 R)
• M20: 2,709,068 km (0.086 R)
• M21: 2,816,030 km (0.076 R)
• M22: 3,020,680 km (0.072 R)
• M23: 3,202,142 km (0.049 R)
• M24: 3,294,295 km (0.12 R)
• M25: 3,473,962 km (0.096 R)
• M26: 3,656,920 km (0.083 R)
• M27: 3,768,370 km (0.093 R)
• M28: 4,194,425 km (0.049 R)
• M29: 4,373,943 km (0.071 R)
• M30: 4,508,281 km (0.119 R)
• M31: 4,660,123 km (0.071 R)
• M32: 4,756,913 km (0.118 R)
• M33: 4,854,451 km (0.084 R)
• M34: 4,944,359 km (0.101 R)
• M35: 5,100,988 km (0.095 R)
• M36: 5,217,675 km (0.071 R)
• M37: 5,326,582 km (0.12 R)
• M38: 5,753,235 km (0.072 R)
• M39: 5,874,559 km (0.114 R)
• M40: 5,988,104 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 458.9

Radius: 10.9

Gravity: 3.86 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 0.76 AU - 0.9 AU

Year: 513 Days

Day: 9.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (44)

Outer Limit: 46,177,270 km

• M1: 142,118 km (0.102 R)
• M2: 231,428 km (0.058 R)
• M3: 341,831 km (0.082 R)
• M4: 425,456 km (0.028 R)
• M5: 507,586 km (0.105 R)
• M6: 589,116 km (0.07 R)
• M7: 691,441 km (0.086 R)
• M8: 796,160 km (0.115 R)
• M9: 876,494 km (0.085 R)
• M10: 968,796 km (0.052 R)
• M11: 1,036,863 km (0.12 R)
• M12: 1,111,512 km (0.099 R)
• M13: 1,261,409 km (0.093 R)
• M14: 1,346,680 km (0.113 R)
• M15: 1,423,573 km (0.041 R)
• M16: 1,496,727 km (0.059 R)
• M17: 1,598,304 km (0.05 R)
• M18: 1,702,125 km (0.11 R)
• M19: 1,819,559 km (0.111 R)
• M20: 1,899,594 km (0.104 R)
• M21: 2,104,692 km (0.08 R)
• M22: 2,182,783 km (0.073 R)
• M23: 2,310,988 km (0.118 R)
• M24: 2,460,735 km (0.104 R)
• M25: 2,763,372 km (0.034 R)
• M26: 2,875,720 km (0.116 R)
• M27: 2,969,518 km (0.117 R)
• M28: 3,050,749 km (0.072 R)
• M29: 3,250,163 km (0.072 R)
• M30: 3,525,274 km (0.116 R)
• M31: 3,662,006 km (0.118 R)
• M32: 3,808,014 km (0.118 R)
• M33: 4,008,026 km (0.082 R)
• M34: 4,150,892 km (0.048 R)
• M35: 4,310,962 km (0.075 R)
• M36: 4,418,672 km (0.09 R)
• M37: 4,535,209 km (0.111 R)
• M38: 4,605,520 km (0.076 R)
• M39: 4,715,774 km (0.095 R)
• M40: 4,818,996 km (0.085 R)
• M41: 5,239,217 km (0.077 R)
• M42: 5,313,118 km (0.117 R)
• M43: 5,395,696 km (0.116 R)
• M44: 5,696,537 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 622.7

Radius: 9.8

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.84 AU - 1.38 AU

Year: 793 Days

Day: 13.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (50)

Outer Limit: 46,177,270 km

• M1: 130,300 km (0.11 R)
• M2: 192,084 km (0.116 R)
• M3: 255,513 km (0.084 R)
• M4: 482,004 km (0.068 R)
• M5: 559,795 km (0.112 R)
• M6: 637,586 km (0.118 R)
• M7: 756,516 km (0.104 R)
• M8: 877,691 km (0.068 R)
• M9: 976,126 km (0.091 R)
• M10: 1,165,517 km (0.12 R)
• M11: 1,242,111 km (0.098 R)
• M12: 1,367,175 km (0.048 R)
• M13: 1,489,546 km (0.071 R)
• M14: 1,573,321 km (0.107 R)
• M15: 1,939,536 km (0.098 R)
• M16: 2,085,694 km (0.044 R)
• M17: 2,172,011 km (0.087 R)
• M18: 2,283,761 km (0.092 R)
• M19: 2,438,296 km (0.099 R)
• M20: 2,504,568 km (0.047 R)
• M21: 2,853,280 km (0.069 R)
• M22: 2,914,466 km (0.042 R)
• M23: 3,073,638 km (0.109 R)
• M24: 3,437,759 km (0.072 R)
• M25: 3,540,383 km (0.11 R)
• M26: 3,663,053 km (0.118 R)
• M27: 3,796,644 km (0.086 R)
• M28: 3,922,157 km (0.107 R)
• M29: 4,058,889 km (0.097 R)
• M30: 4,327,268 km (0.075 R)
• M31: 4,448,293 km (0.098 R)
• M32: 4,529,674 km (0.11 R)
• M33: 4,776,810 km (0.096 R)
• M34: 5,039,055 km (0.069 R)
• M35: 5,252,082 km (0.119 R)
• M36: 5,468,251 km (0.062 R)
• M37: 5,643,280 km (0.106 R)
• M38: 5,720,473 km (0.092 R)
• M39: 5,954,145 km (0.072 R)
• M40: 6,327,691 km (0.111 R)
• M41: 6,488,508 km (0.05 R)
• M42: 6,767,209 km (0.067 R)
• M43: 6,908,130 km (0.062 R)
• M44: 6,990,858 km (0.119 R)
• M45: 7,085,703 km (0.119 R)
• M46: 7,180,997 km (0.105 R)
• M47: 7,773,853 km (0.101 R)
• M48: 7,933,773 km (0.105 R)
• M49: 8,157,123 km (0.103 R)
• M50: 8,521,244 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 139.2

Radius: 9.8

Gravity: 1.45 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.22 AU - 1.36 AU

Year: 994 Days

Day: 7.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (49)

Outer Limit: 46,177,270 km

• M1: 123,418 km (0.098 R)
• M2: 204,650 km (0.111 R)
• M3: 266,135 km (0.102 R)
• M4: 343,926 km (0.086 R)
• M5: 501,003 km (0.062 R)
• M6: 566,826 km (0.115 R)
• M7: 628,012 km (0.116 R)
• M8: 704,307 km (0.117 R)
• M9: 822,788 km (0.097 R)
• M10: 902,674 km (0.032 R)
• M11: 1,004,251 km (0.103 R)
• M12: 1,110,016 km (0.098 R)
• M13: 1,179,280 km (0.077 R)
• M14: 1,338,003 km (0.08 R)
• M15: 1,433,596 km (0.092 R)
• M16: 1,537,118 km (0.099 R)
• M17: 1,614,909 km (0.058 R)
• M18: 1,677,142 km (0.088 R)
• M19: 1,740,122 km (0.099 R)
• M20: 1,809,835 km (0.111 R)
• M21: 1,886,429 km (0.077 R)
• M22: 2,006,407 km (0.117 R)
• M23: 2,116,660 km (0.119 R)
• M24: 2,273,140 km (0.033 R)
• M25: 2,362,599 km (0.116 R)
• M26: 2,472,703 km (0.11 R)
• M27: 2,544,809 km (0.059 R)
• M28: 2,644,442 km (0.054 R)
• M29: 2,765,765 km (0.101 R)
• M30: 2,840,864 km (0.111 R)
• M31: 2,937,354 km (0.115 R)
• M32: 3,077,228 km (0.047 R)
• M33: 3,169,231 km (0.096 R)
• M34: 3,305,515 km (0.095 R)
• M35: 3,370,739 km (0.097 R)
• M36: 3,487,874 km (0.093 R)
• M37: 3,598,876 km (0.076 R)
• M38: 3,673,525 km (0.056 R)
• M39: 3,816,840 km (0.088 R)
• M40: 3,931,282 km (0.088 R)
• M41: 4,171,537 km (0.065 R)
• M42: 4,642,022 km (0.092 R)
• M43: 4,929,250 km (0.089 R)
• M44: 5,012,277 km (0.08 R)
• M45: 5,137,939 km (0.061 R)
• M46: 5,298,457 km (0.094 R)
• M47: 5,598,551 km (0.065 R)
• M48: 5,746,503 km (0.069 R)
• M49: 5,975,089 km (0.117 R)

Asteroid Belt

Center: 1.85 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.7

Radius: 8

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.84 AU - 2.96 AU

Year: 2522 Days

Day: 5.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (71)

Outer Limit: 46,177,270 km

• M1: 100,829 km (0.104 R)
• M2: 229,184 km (0.102 R)
• M3: 358,287 km (0.063 R)
• M4: 700,567 km (0.118 R)
• M5: 756,816 km (0.058 R)
• M6: 865,573 km (0.067 R)
• M7: 961,765 km (0.104 R)
• M8: 1,203,814 km (0.081 R)
• M9: 1,321,996 km (0.113 R)
• M10: 1,423,573 km (0.116 R)
• M11: 1,799,662 km (0.05 R)
• M12: 1,855,911 km (0.109 R)
• M13: 1,970,204 km (0.077 R)
• M14: 2,028,248 km (0.05 R)
• M15: 2,302,610 km (0.115 R)
• M16: 2,438,146 km (0.119 R)
• M17: 2,563,659 km (0.046 R)
• M18: 2,639,954 km (0.116 R)
• M19: 2,730,012 km (0.057 R)
• M20: 2,886,790 km (0.12 R)
• M21: 2,939,748 km (0.105 R)
• M22: 3,019,783 km (0.095 R)
• M23: 3,277,839 km (0.088 R)
• M24: 3,444,641 km (0.086 R)
• M25: 3,571,649 km (0.107 R)
• M26: 3,786,621 km (0.118 R)
• M27: 3,932,330 km (0.035 R)
• M28: 4,050,362 km (0.12 R)
• M29: 4,139,523 km (0.075 R)
• M30: 4,214,471 km (0.094 R)
• M31: 4,274,610 km (0.113 R)
• M32: 4,580,088 km (0.026 R)
• M33: 4,642,022 km (0.069 R)
• M34: 4,924,164 km (0.111 R)
• M35: 5,083,485 km (0.113 R)
• M36: 5,147,663 km (0.104 R)
• M37: 5,390,610 km (0.107 R)
• M38: 5,989,300 km (0.055 R)
• M39: 6,108,231 km (0.093 R)
• M40: 6,382,892 km (0.077 R)
• M41: 6,574,078 km (0.045 R)
• M42: 6,679,096 km (0.092 R)
• M43: 6,749,557 km (0.109 R)
• M44: 7,051,296 km (0.099 R)
• M45: 7,339,421 km (0.107 R)
• M46: 7,871,541 km (0.103 R)
• M47: 8,226,985 km (0.109 R)
• M48: 8,302,383 km (0.105 R)
• M49: 8,378,079 km (0.056 R)
• M50: 8,818,046 km (0.082 R)
• M51: 9,089,417 km (0.092 R)
• M52: 9,462,215 km (0.058 R)
• M53: 10,385,383 km (0.109 R)
• M54: 10,754,441 km (0.093 R)
• M55: 10,982,129 km (0.115 R)
• M56: 11,169,575 km (0.076 R)
• M57: 11,611,039 km (0.036 R)
• M58: 11,844,561 km (0.071 R)
• M59: 12,208,533 km (0.113 R)
• M60: 12,597,936 km (0.113 R)
• M61: 12,750,526 km (0.104 R)
• M62: 13,057,501 km (0.072 R)
• M63: 13,589,321 km (0.1 R)
• M64: 13,813,119 km (0.116 R)
• M65: 13,947,907 km (0.047 R)
• M66: 14,582,800 km (0.101 R)
• M67: 14,720,131 km (0.044 R)
• M68: 14,811,835 km (0.063 R)
• M69: 15,436,256 km (0.099 R)
• M70: 15,599,468 km (0.055 R)
• M71: 15,716,453 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.9

Radius: 10.5

Gravity: 4.77 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.24 AU - 4.26 AU

Year: 4925 Days

Day: 6.1 Hours

Environment

Temp: -225 °C

Axial Tilt: 107.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 46,177,270 km

• M1: 135,087 km (0.091 R)
• M2: 231,877 km (0.073 R)
• M3: 301,440 km (0.097 R)
• M4: 373,546 km (0.081 R)
• M5: 463,005 km (0.113 R)
• M6: 679,025 km (0.051 R)
• M7: 829,670 km (0.038 R)
• M8: 915,689 km (0.086 R)
• M9: 1,044,343 km (0.093 R)
• M10: 1,466,957 km (0.09 R)
• M11: 1,681,630 km (0.084 R)
• M12: 1,776,924 km (0.103 R)
• M13: 1,956,441 km (0.102 R)
• M14: 2,142,092 km (0.099 R)
• M15: 2,263,266 km (0.034 R)
• M16: 2,476,443 km (0.102 R)
• M17: 2,585,500 km (0.112 R)
• M18: 2,808,700 km (0.087 R)
• M19: 3,038,183 km (0.094 R)
• M20: 3,194,513 km (0.119 R)
• M21: 3,393,927 km (0.047 R)
• M22: 3,474,859 km (0.097 R)
• M23: 3,805,022 km (0.095 R)
• M24: 4,188,591 km (0.037 R)
• M25: 4,275,507 km (0.088 R)
• M26: 4,946,902 km (0.118 R)
• M27: 5,062,093 km (0.09 R)
• M28: 5,224,706 km (0.068 R)
• M29: 5,483,959 km (0.111 R)
• M30: 5,844,190 km (0.101 R)
• M31: 6,187,518 km (0.082 R)
• M32: 6,613,123 km (0.048 R)
• M33: 7,048,453 km (0.07 R)
• M34: 7,204,185 km (0.039 R)
• M35: 7,334,933 km (0.109 R)
• M36: 7,413,771 km (0.113 R)
• M37: 7,839,078 km (0.048 R)
• M38: 8,000,644 km (0.082 R)
• M39: 8,190,483 km (0.089 R)
• M40: 8,409,196 km (0.091 R)
• M41: 8,657,678 km (0.105 R)
• M42: 9,360,638 km (0.087 R)
• M43: 10,346,039 km (0.057 R)
• M44: 10,761,323 km (0.098 R)
• M45: 11,121,704 km (0.079 R)
• M46: 11,885,102 km (0.098 R)
• M47: 11,977,853 km (0.103 R)
• M48: 12,132,986 km (0.103 R)
• M49: 12,697,119 km (0.119 R)
• M50: 12,855,244 km (0.09 R)
• M51: 13,014,117 km (0.118 R)
• M52: 13,237,616 km (0.046 R)
• M53: 13,559,102 km (0.093 R)
• M54: 13,883,281 km (0.04 R)
• M55: 14,013,581 km (0.047 R)
• M56: 14,374,261 km (0.066 R)
• M57: 14,638,301 km (0.08 R)
• M58: 15,238,638 km (0.12 R)
• M59: 16,119,919 km (0.041 R)
• M60: 16,394,431 km (0.06 R)
• M61: 16,497,803 km (0.095 R)
• M62: 17,192,236 km (0.078 R)
• M63: 17,896,244 km (0.078 R)
• M64: 18,251,688 km (0.069 R)
• M65: 18,501,965 km (0.092 R)
• M66: 19,332,383 km (0.12 R)
• M67: 19,623,949 km (0.099 R)
• M68: 19,807,057 km (0.054 R)
• M69: 20,211,720 km (0.081 R)
• M70: 20,991,872 km (0.06 R)
• M71: 22,085,433 km (0.112 R)
• M72: 22,199,576 km (0.12 R)
• M73: 22,505,055 km (0.09 R)
• M74: 22,658,243 km (0.09 R)
• M75: 22,888,773 km (0.086 R)
• M76: 23,779,778 km (0.085 R)
• M77: 24,092,288 km (0.099 R)
• M78: 24,682,003 km (0.115 R)
• M79: 25,117,333 km (0.089 R)
• M80: 25,515,562 km (0.098 R)
• M81: 26,076,255 km (0.12 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 143.2

Radius: 6

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 7.54 AU - 11.98 AU

Year: 20681 Days

Day: 16 Hours

Environment

Temp: -243 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (53)

Outer Limit: 46,177,270 km

• M1: 76,145 km (0.101 R)
• M2: 574,605 km (0.081 R)
• M3: 621,280 km (0.096 R)
• M4: 1,137,393 km (0.051 R)
• M5: 1,237,324 km (0.114 R)
• M6: 1,298,659 km (0.09 R)
• M7: 1,919,640 km (0.088 R)
• M8: 2,336,120 km (0.106 R)
• M9: 2,437,996 km (0.118 R)
• M10: 2,515,488 km (0.087 R)
• M11: 2,646,536 km (0.069 R)
• M12: 2,887,987 km (0.075 R)
• M13: 3,420,855 km (0.092 R)
• M14: 4,105,714 km (0.09 R)
• M15: 4,416,578 km (0.104 R)
• M16: 4,606,717 km (0.096 R)
• M17: 5,126,869 km (0.117 R)
• M18: 5,802,901 km (0.097 R)
• M19: 5,941,429 km (0.102 R)
• M20: 6,151,464 km (0.084 R)
• M21: 6,905,288 km (0.07 R)
• M22: 7,088,994 km (0.118 R)
• M23: 7,348,995 km (0.056 R)
• M24: 7,423,944 km (0.116 R)
• M25: 7,802,127 km (0.042 R)
• M26: 8,893,893 km (0.1 R)
• M27: 9,949,904 km (0.091 R)
• M28: 10,874,120 km (0.112 R)
• M29: 10,916,755 km (0.085 R)
• M30: 11,044,960 km (0.077 R)
• M31: 12,893,242 km (0.104 R)
• M32: 14,834,873 km (0.114 R)
• M33: 15,167,279 km (0.091 R)
• M34: 15,887,892 km (0.049 R)
• M35: 16,570,358 km (0.12 R)
• M36: 16,915,181 km (0.079 R)
• M37: 18,776,926 km (0.074 R)
• M38: 19,446,377 km (0.094 R)
• M39: 20,861,573 km (0.108 R)
• M40: 21,447,697 km (0.119 R)
• M41: 22,039,058 km (0.048 R)
• M42: 25,301,637 km (0.093 R)
• M43: 26,154,794 km (0.079 R)
• M44: 26,671,206 km (0.1 R)
• M45: 29,303,381 km (0.112 R)
• M46: 29,600,931 km (0.032 R)
• M47: 30,740,717 km (0.048 R)
• M48: 31,589,685 km (0.085 R)
• M49: 34,872,909 km (0.091 R)
• M50: 37,292,804 km (0.05 R)
• M51: 39,372,215 km (0.098 R)
• M52: 39,766,256 km (0.083 R)
• M53: 45,418,662 km (0.097 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 185 - 11,578 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit