🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.72

Radius: 0.88

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.47 AU - 0.55 AU

Year: 139 Days

Day: 47.3 Hours

Environment

Temp: 214 °C

Axial Tilt: 38.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.17 AU - 1.81 AU

Year: 693 Days

Day: 36.6 Hours

Environment

Temp: -60 °C

Axial Tilt: 22.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.58

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 2.16 AU - 3.3 AU

Year: 1718 Days

Day: 35.3 Hours

Environment

Temp: -98 °C

Axial Tilt: 22.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 3.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 2.75 AU - 4.43 AU

Year: 2590 Days

Day: 44.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 10.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 58,279,531 km

• M1: 1,329,775 km (0.102 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.41

Radius: 0.7

Gravity: 0.84 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 3.35 AU - 4.45 AU

Year: 2933 Days

Day: 23.4 Hours

Environment

Temp: -130 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 58,279,531 km

• M1: 73,901 km (0.086 R)
• M2: 1,022,352 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.9

Radius: 13.4

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 4.25 AU - 6.27 AU

Year: 4594 Days

Day: 9.2 Hours

Environment

Temp: -141 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 58,279,531 km

• M1: 249,080 km (0.118 R)
• M2: 333,454 km (0.101 R)
• M3: 435,629 km (0.069 R)
• M4: 532,269 km (0.04 R)
• M5: 789,278 km (0.111 R)
• M6: 1,088,175 km (0.095 R)
• M7: 1,317,957 km (0.099 R)
• M8: 1,709,455 km (0.075 R)
• M9: 2,084,347 km (0.089 R)
• M10: 2,579,965 km (0.075 R)
• M11: 2,812,141 km (0.055 R)
• M12: 2,911,025 km (0.105 R)
• M13: 3,031,152 km (0.102 R)
• M14: 3,214,709 km (0.093 R)
• M15: 3,635,677 km (0.1 R)
• M16: 3,874,884 km (0.107 R)
• M17: 4,437,970 km (0.117 R)
• M18: 4,907,109 km (0.048 R)
• M19: 5,466,306 km (0.034 R)
• M20: 6,252,293 km (0.103 R)
• M21: 6,566,150 km (0.058 R)
• M22: 6,698,394 km (0.099 R)
• M23: 7,154,967 km (0.048 R)
• M24: 7,318,477 km (0.101 R)
• M25: 7,957,111 km (0.074 R)
• M26: 8,041,783 km (0.061 R)
• M27: 8,183,452 km (0.102 R)
• M28: 8,440,611 km (0.065 R)
• M29: 9,021,799 km (0.116 R)
• M30: 9,436,484 km (0.11 R)
• M31: 10,593,175 km (0.055 R)
• M32: 10,779,873 km (0.094 R)
• M33: 11,219,840 km (0.069 R)
• M34: 11,346,699 km (0.118 R)
• M35: 11,794,296 km (0.063 R)
• M36: 12,052,652 km (0.071 R)
• M37: 12,476,612 km (0.088 R)
• M38: 12,673,782 km (0.084 R)
• M39: 13,305,534 km (0.117 R)
• M40: 13,473,383 km (0.102 R)
• M41: 13,811,474 km (0.108 R)
• M42: 13,981,567 km (0.105 R)
• M43: 14,255,032 km (0.072 R)
• M44: 14,807,496 km (0.095 R)
• M45: 15,156,359 km (0.101 R)
• M46: 15,862,311 km (0.103 R)
• M47: 16,111,840 km (0.05 R)
• M48: 16,398,769 km (0.116 R)
• M49: 16,868,506 km (0.072 R)
• M50: 17,232,927 km (0.055 R)
• M51: 17,636,841 km (0.088 R)
• M52: 18,229,847 km (0.116 R)
• M53: 18,416,395 km (0.086 R)
• M54: 19,207,469 km (0.092 R)
• M55: 19,740,935 km (0.099 R)
• M56: 19,855,826 km (0.076 R)
• M57: 20,047,910 km (0.106 R)
• M58: 20,589,005 km (0.092 R)
• M59: 20,939,513 km (0.114 R)
• M60: 21,685,857 km (0.094 R)
• M61: 21,883,625 km (0.057 R)
• M62: 23,650,526 km (0.107 R)
• M63: 24,099,319 km (0.086 R)
• M64: 24,222,289 km (0.095 R)
• M65: 24,674,673 km (0.066 R)
• M66: 24,963,995 km (0.098 R)
• M67: 26,090,766 km (0.093 R)
• M68: 26,343,437 km (0.064 R)
• M69: 26,681,528 km (0.11 R)
• M70: 26,808,686 km (0.085 R)
• M71: 26,936,144 km (0.085 R)
• M72: 27,276,778 km (0.104 R)
• M73: 27,490,404 km (0.113 R)
• M74: 28,436,910 km (0.063 R)
• M75: 28,523,527 km (0.117 R)
• M76: 28,957,809 km (0.114 R)
• M77: 29,306,821 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.6

Radius: 12.7

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 5.96 AU - 6.04 AU

Year: 5597 Days

Day: 8.4 Hours

Environment

Temp: -158 °C

Axial Tilt: 67.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 58,279,531 km

• M1: 160,519 km (0.101 R)
• M2: 316,699 km (0.089 R)
• M3: 564,134 km (0.111 R)
• M4: 696,528 km (0.076 R)
• M5: 1,077,703 km (0.113 R)
• M6: 1,161,627 km (0.055 R)
• M7: 1,382,135 km (0.11 R)
• M8: 1,584,690 km (0.114 R)
• M9: 1,932,804 km (0.086 R)
• M10: 2,019,422 km (0.112 R)
• M11: 2,936,905 km (0.063 R)
• M12: 3,098,022 km (0.088 R)
• M13: 4,170,639 km (0.072 R)
• M14: 4,329,512 km (0.11 R)
• M15: 4,513,517 km (0.093 R)
• M16: 4,747,189 km (0.1 R)
• M17: 4,841,885 km (0.083 R)
• M18: 5,008,986 km (0.106 R)
• M19: 5,153,796 km (0.068 R)
• M20: 5,447,606 km (0.068 R)
• M21: 5,596,606 km (0.099 R)
• M22: 5,746,952 km (0.114 R)
• M23: 6,180,337 km (0.11 R)
• M24: 6,703,929 km (0.118 R)
• M25: 7,160,203 km (0.065 R)
• M26: 7,682,150 km (0.092 R)
• M27: 7,849,550 km (0.042 R)
• M28: 8,187,940 km (0.075 R)
• M29: 8,675,779 km (0.097 R)
• M30: 8,791,867 km (0.109 R)
• M31: 8,967,046 km (0.046 R)
• M32: 9,113,951 km (0.11 R)
• M33: 9,261,754 km (0.106 R)
• M34: 9,410,155 km (0.085 R)
• M35: 9,860,444 km (0.117 R)
• M36: 10,626,685 km (0.059 R)
• M37: 10,907,181 km (0.113 R)
• M38: 11,190,220 km (0.044 R)
• M39: 11,924,446 km (0.095 R)
• M40: 12,444,598 km (0.051 R)
• M41: 13,038,502 km (0.077 R)
• M42: 13,271,874 km (0.093 R)
• M43: 14,494,538 km (0.071 R)
• M44: 14,667,174 km (0.113 R)
• M45: 14,875,264 km (0.076 R)
• M46: 15,294,438 km (0.093 R)
• M47: 15,646,740 km (0.114 R)
• M48: 15,788,410 km (0.102 R)
• M49: 16,180,206 km (0.112 R)
• M50: 16,359,275 km (0.075 R)
• M51: 16,539,092 km (0.072 R)
• M52: 17,890,110 km (0.109 R)
• M53: 18,001,261 km (0.069 R)
• M54: 18,298,662 km (0.1 R)
• M55: 18,522,760 km (0.045 R)
• M56: 19,276,284 km (0.032 R)
• M57: 19,848,197 km (0.098 R)
• M58: 20,309,706 km (0.097 R)
• M59: 21,008,478 km (0.058 R)
• M60: 21,400,125 km (0.096 R)
• M61: 21,715,328 km (0.072 R)
• M62: 21,912,947 km (0.051 R)
• M63: 23,882,103 km (0.094 R)
• M64: 24,537,192 km (0.107 R)
• M65: 25,614,596 km (0.083 R)
• M66: 25,781,697 km (0.09 R)
• M67: 26,075,058 km (0.116 R)
• M68: 26,369,467 km (0.12 R)
• M69: 26,664,923 km (0.088 R)
• M70: 27,387,331 km (0.085 R)
• M71: 28,417,911 km (0.1 R)
• M72: 28,894,679 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 914.1

Radius: 12.9

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 6.35 AU - 6.65 AU

Year: 6311 Days

Day: 5.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 58,279,531 km

• M1: 183,108 km (0.12 R)
• M2: 458,218 km (0.061 R)
• M3: 592,707 km (0.052 R)
• M4: 876,494 km (0.031 R)
• M5: 1,152,652 km (0.112 R)
• M6: 1,457,233 km (0.065 R)
• M7: 1,571,077 km (0.103 R)
• M8: 1,869,225 km (0.109 R)
• M9: 2,317,421 km (0.07 R)
• M10: 2,588,642 km (0.053 R)
• M11: 2,704,879 km (0.105 R)
• M12: 3,438,806 km (0.084 R)
• M13: 4,177,371 km (0.038 R)
• M14: 4,397,579 km (0.12 R)
• M15: 6,105,239 km (0.111 R)
• M16: 6,198,737 km (0.034 R)
• M17: 6,324,100 km (0.062 R)
• M18: 6,641,098 km (0.117 R)
• M19: 6,866,243 km (0.097 R)
• M20: 7,523,427 km (0.038 R)
• M21: 7,623,807 km (0.118 R)
• M22: 8,166,398 km (0.072 R)
• M23: 8,546,826 km (0.066 R)
• M24: 8,721,705 km (0.069 R)
• M25: 8,897,633 km (0.112 R)
• M26: 9,759,017 km (0.113 R)
• M27: 10,015,278 km (0.117 R)
• M28: 10,348,134 km (0.098 R)
• M29: 10,459,883 km (0.103 R)
• M30: 10,873,072 km (0.095 R)
• M31: 11,560,774 km (0.119 R)
• M32: 11,676,862 km (0.112 R)
• M33: 12,778,201 km (0.059 R)
• M34: 13,018,456 km (0.101 R)
• M35: 15,418,005 km (0.115 R)
• M36: 15,545,912 km (0.095 R)
• M37: 15,673,967 km (0.073 R)
• M38: 16,755,560 km (0.081 R)
• M39: 17,327,622 km (0.059 R)
• M40: 17,416,184 km (0.097 R)
• M41: 17,593,757 km (0.094 R)
• M42: 17,905,968 km (0.108 R)
• M43: 18,808,192 km (0.064 R)
• M44: 19,264,915 km (0.066 R)
• M45: 19,771,453 km (0.113 R)
• M46: 20,235,805 km (0.084 R)
• M47: 21,175,279 km (0.06 R)
• M48: 21,889,160 km (0.087 R)
• M49: 23,096,565 km (0.108 R)
• M50: 23,340,709 km (0.093 R)
• M51: 23,438,546 km (0.079 R)
• M52: 23,634,668 km (0.107 R)
• M53: 23,929,975 km (0.079 R)
• M54: 24,127,593 km (0.081 R)
• M55: 24,375,178 km (0.099 R)
• M56: 24,573,993 km (0.077 R)
• M57: 24,723,442 km (0.118 R)
• M58: 25,980,213 km (0.077 R)
• M59: 26,081,790 km (0.09 R)
• M60: 27,000,770 km (0.047 R)
• M61: 27,878,461 km (0.071 R)
• M62: 28,086,402 km (0.069 R)
• M63: 28,242,582 km (0.063 R)
• M64: 29,503,094 km (0.034 R)
• M65: 30,033,717 km (0.084 R)
• M66: 30,300,151 km (0.092 R)
• M67: 30,460,370 km (0.082 R)
• M68: 30,781,856 km (0.072 R)
• M69: 31,427,969 km (0.082 R)
• M70: 31,590,134 km (0.034 R)
• M71: 33,007,873 km (0.091 R)
• M72: 33,890,650 km (0.104 R)
• M73: 34,949,055 km (0.112 R)
• M74: 35,735,939 km (0.095 R)
• M75: 35,905,284 km (0.116 R)
• M76: 36,358,117 km (0.069 R)
• M77: 36,528,509 km (0.025 R)
• M78: 36,870,041 km (0.047 R)
• M79: 37,098,327 km (0.098 R)
• M80: 37,556,097 km (0.064 R)
• M81: 38,419,725 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 152.6

Radius: 7.1

Gravity: 3.03 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 16.16 AU - 19.28 AU

Year: 28405 Days

Day: 16.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 0.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 58,279,531 km

• M1: 97,837 km (0.09 R)
• M2: 228,885 km (0.119 R)
• M3: 346,469 km (0.106 R)
• M4: 519,404 km (0.081 R)
• M5: 798,254 km (0.096 R)
• M6: 880,234 km (0.097 R)
• M7: 1,030,430 km (0.072 R)
• M8: 1,259,764 km (0.051 R)
• M9: 1,873,564 km (0.074 R)
• M10: 1,956,142 km (0.106 R)
• M11: 2,847,446 km (0.073 R)
• M12: 3,136,469 km (0.115 R)
• M13: 3,847,508 km (0.047 R)
• M14: 4,311,859 km (0.087 R)
• M15: 4,606,418 km (0.08 R)
• M16: 4,794,013 km (0.068 R)
• M17: 4,945,706 km (0.045 R)
• M18: 5,022,300 km (0.089 R)
• M19: 5,176,386 km (0.117 R)
• M20: 5,410,656 km (0.092 R)
• M21: 6,011,291 km (0.107 R)
• M22: 6,216,240 km (0.048 R)
• M23: 6,423,433 km (0.109 R)
• M24: 6,930,121 km (0.117 R)
• M25: 7,714,164 km (0.113 R)
• M26: 9,364,677 km (0.101 R)
• M27: 10,180,733 km (0.108 R)
• M28: 10,376,108 km (0.071 R)
• M29: 11,371,233 km (0.085 R)
• M30: 11,573,938 km (0.092 R)
• M31: 12,973,127 km (0.086 R)
• M32: 13,504,798 km (0.09 R)
• M33: 13,558,354 km (0.047 R)
• M34: 15,030,996 km (0.116 R)
• M35: 15,309,248 km (0.054 R)
• M36: 15,589,295 km (0.097 R)
• M37: 16,154,176 km (0.065 R)
• M38: 17,479,015 km (0.084 R)
• M39: 17,771,629 km (0.076 R)
• M40: 18,421,033 km (0.031 R)
• M41: 19,258,931 km (0.097 R)
• M42: 19,682,442 km (0.084 R)
• M43: 20,909,444 km (0.106 R)
• M44: 21,657,433 km (0.109 R)
• M45: 23,307,947 km (0.098 R)
• M46: 24,604,960 km (0.115 R)
• M47: 25,593,054 km (0.101 R)
• M48: 25,792,169 km (0.081 R)
• M49: 26,392,804 km (0.095 R)
• M50: 26,728,502 km (0.12 R)
• M51: 26,930,609 km (0.112 R)
• M52: 28,359,268 km (0.086 R)
• M53: 28,634,229 km (0.039 R)
• M54: 29,603,324 km (0.111 R)
• M55: 29,673,037 km (0.104 R)
• M56: 31,502,619 km (0.119 R)
• M57: 34,168,752 km (0.074 R)
• M58: 36,010,601 km (0.119 R)
• M59: 37,582,575 km (0.105 R)
• M60: 37,809,067 km (0.093 R)
• M61: 38,035,857 km (0.069 R)
• M62: 40,252,000 km (0.095 R)
• M63: 41,882,766 km (0.108 R)
• M64: 42,431,192 km (0.103 R)
• M65: 44,329,290 km (0.103 R)
• M66: 45,770,965 km (0.058 R)
• M67: 46,174,280 km (0.108 R)
• M68: 46,740,658 km (0.099 R)
• M69: 48,700,240 km (0.041 R)
• M70: 50,104,516 km (0.045 R)
• M71: 50,187,393 km (0.105 R)
• M72: 51,354,406 km (0.099 R)
• M73: 51,857,354 km (0.038 R)
• M74: 52,109,426 km (0.063 R)
• M75: 53,291,100 km (0.076 R)
• M76: 55,251,430 km (0.045 R)
• M77: 55,508,888 km (0.073 R)
• M78: 56,024,851 km (0.08 R)
• M79: 56,975,097 km (0.081 R)
• M80: 57,148,481 km (0.076 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 517 - 16,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit