🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.15 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.4

Radius: 11.9

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 1.78 AU - 2.8 AU

Year: 1595 Days

Day: 8.2 Hours

Environment

Temp: -149 °C

Axial Tilt: 54.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 61,441,042 km

• M1: 152,739 km (0.102 R)
• M2: 612,154 km (0.118 R)
• M3: 1,154,596 km (0.104 R)
• M4: 2,510,252 km (0.042 R)
• M5: 3,736,057 km (0.093 R)
• M6: 5,052,818 km (0.12 R)
• M7: 5,650,312 km (0.064 R)
• M8: 6,361,500 km (0.083 R)
• M9: 7,962,646 km (0.086 R)
• M10: 8,334,397 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 182.4

Radius: 14.9

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.42 AU - 3.32 AU

Year: 2237 Days

Day: 5.3 Hours

Environment

Temp: -154 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,441,042 km

• M1: 185,352 km (0.037 R)
• M2: 746,942 km (0.068 R)
• M3: 2,332,979 km (0.113 R)
• M4: 2,888,585 km (0.115 R)
• M5: 4,069,511 km (0.087 R)
• M6: 6,740,880 km (0.054 R)
• M7: 9,091,063 km (0.113 R)
• M8: 9,770,536 km (0.107 R)
• M9: 10,967,469 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 644.7

Radius: 12.9

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 3.12 AU - 3.64 AU

Year: 2860 Days

Day: 9.5 Hours

Environment

Temp: -167 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 61,441,042 km

• M1: 160,967 km (0.089 R)
• M2: 614,099 km (0.1 R)
• M3: 1,210,097 km (0.117 R)
• M4: 1,825,393 km (0.085 R)
• M5: 4,189,339 km (0.051 R)
• M6: 4,595,497 km (0.072 R)
• M7: 5,028,134 km (0.051 R)
• M8: 5,563,096 km (0.112 R)
• M9: 6,548,946 km (0.109 R)
• M10: 8,592,154 km (0.116 R)
• M11: 9,040,050 km (0.098 R)
• M12: 9,467,301 km (0.112 R)
• M13: 10,095,911 km (0.114 R)
• M14: 10,595,120 km (0.113 R)
• M15: 11,272,798 km (0.114 R)
• M16: 11,894,676 km (0.081 R)
• M17: 12,981,804 km (0.116 R)
• M18: 13,526,639 km (0.092 R)
• M19: 14,808,693 km (0.033 R)
• M20: 16,641,866 km (0.116 R)
• M21: 18,909,021 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.3

Radius: 10.6

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 3.66 AU - 5.06 AU

Year: 4189 Days

Day: 9.8 Hours

Environment

Temp: -173 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,441,042 km

• M1: 135,685 km (0.081 R)
• M2: 487,091 km (0.032 R)
• M3: 835,953 km (0.042 R)
• M4: 1,918,892 km (0.052 R)
• M5: 5,691,002 km (0.09 R)
• M6: 6,260,521 km (0.069 R)
• M7: 7,142,550 km (0.107 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.7

Radius: 14.7

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 7.57 AU - 9.03 AU

Year: 11004 Days

Day: 6.2 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 61,441,042 km

• M1: 182,809 km (0.05 R)
• M2: 671,246 km (0.084 R)
• M3: 2,315,027 km (0.114 R)
• M4: 2,949,023 km (0.043 R)
• M5: 4,570,514 km (0.062 R)
• M6: 7,563,818 km (0.065 R)
• M7: 9,065,332 km (0.106 R)
• M8: 10,916,755 km (0.074 R)
• M9: 13,069,020 km (0.114 R)
• M10: 13,617,745 km (0.073 R)
• M11: 14,566,494 km (0.109 R)
• M12: 15,156,658 km (0.068 R)
• M13: 18,961,979 km (0.067 R)
• M14: 19,508,161 km (0.098 R)
• M15: 20,632,090 km (0.099 R)
• M16: 22,225,905 km (0.119 R)
• M17: 30,585,733 km (0.085 R)
• M18: 41,873,192 km (0.074 R)
• M19: 45,944,348 km (0.088 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.6

Radius: 9.3

Gravity: 0.55 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 6.38 AU - 10.44 AU

Year: 11223 Days

Day: 14.7 Hours

Environment

Temp: -205 °C

Axial Tilt: 147 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 61,441,042 km

• M1: 115,639 km (0.045 R)
• M2: 446,400 km (0.078 R)
• M3: 977,323 km (0.086 R)
• M4: 1,304,793 km (0.094 R)
• M5: 1,955,843 km (0.111 R)
• M6: 2,841,612 km (0.074 R)
• M7: 3,375,078 km (0.108 R)
• M8: 5,955,342 km (0.072 R)
• M9: 10,831,484 km (0.096 R)
• M10: 18,091,918 km (0.109 R)
• M11: 19,673,616 km (0.115 R)
• M12: 20,343,814 km (0.051 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 454

Radius: 4.1

Gravity: 27.01 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 7.63 AU - 12.65 AU

Year: 14859 Days

Day: 24.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 61,441,042 km

• M1: 51,312 km (0.078 R)
• M2: 190,737 km (0.096 R)
• M3: 373,396 km (0.11 R)
• M4: 629,957 km (0.06 R)
• M5: 941,868 km (0.099 R)
• M6: 1,390,662 km (0.083 R)
• M7: 1,934,600 km (0.099 R)
• M8: 2,524,614 km (0.116 R)
• M9: 2,673,015 km (0.089 R)
• M10: 4,165,852 km (0.083 R)
• M11: 4,809,572 km (0.088 R)
• M12: 5,038,307 km (0.096 R)
• M13: 6,447,219 km (0.096 R)
• M14: 6,644,988 km (0.099 R)
• M15: 6,887,636 km (0.111 R)
• M16: 7,220,491 km (0.068 R)
• M17: 8,376,134 km (0.103 R)
• M18: 10,225,613 km (0.051 R)
• M19: 10,713,601 km (0.088 R)
• M20: 11,273,696 km (0.108 R)
• M21: 11,852,938 km (0.082 R)
• M22: 13,645,271 km (0.11 R)
• M23: 14,302,903 km (0.094 R)
• M24: 18,460,078 km (0.046 R)
• M25: 19,923,444 km (0.101 R)
• M26: 24,871,095 km (0.081 R)
• M27: 26,551,677 km (0.042 R)
• M28: 27,060,011 km (0.07 R)
• M29: 27,991,258 km (0.079 R)
• M30: 28,836,785 km (0.114 R)
• M31: 29,699,216 km (0.082 R)
• M32: 29,917,480 km (0.096 R)
• M33: 31,024,953 km (0.053 R)
• M34: 35,116,006 km (0.112 R)
• M35: 37,100,422 km (0.113 R)
• M36: 39,420,685 km (0.075 R)
• M37: 51,534,372 km (0.06 R)
• M38: 52,166,124 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.5

Radius: 4.6

Gravity: 27.58 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 8.5 AU - 12.56 AU

Year: 15724 Days

Day: 19.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 131.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 61,441,042 km

• M1: 66,272 km (0.064 R)
• M2: 578,345 km (0.115 R)
• M3: 747,092 km (0.095 R)
• M4: 1,433,746 km (0.069 R)
• M5: 1,921,585 km (0.115 R)
• M6: 2,491,253 km (0.087 R)
• M7: 2,803,464 km (0.076 R)
• M8: 3,425,492 km (0.093 R)
• M9: 3,840,327 km (0.113 R)
• M10: 4,903,669 km (0.112 R)
• M11: 5,393,751 km (0.039 R)
• M12: 5,576,560 km (0.05 R)
• M13: 6,973,804 km (0.096 R)
• M14: 7,457,304 km (0.103 R)
• M15: 8,838,541 km (0.05 R)
• M16: 11,069,794 km (0.066 R)
• M17: 11,305,859 km (0.116 R)
• M18: 11,545,216 km (0.052 R)
• M19: 11,972,018 km (0.108 R)
• M20: 12,536,451 km (0.069 R)
• M21: 12,987,339 km (0.048 R)
• M22: 13,583,038 km (0.065 R)
• M23: 15,187,774 km (0.099 R)
• M24: 16,376,030 km (0.117 R)
• M25: 18,108,972 km (0.055 R)
• M26: 20,047,461 km (0.055 R)
• M27: 22,120,140 km (0.049 R)
• M28: 23,159,994 km (0.073 R)
• M29: 23,740,883 km (0.107 R)
• M30: 27,754,743 km (0.041 R)
• M31: 29,524,486 km (0.076 R)
• M32: 39,648,073 km (0.104 R)
• M33: 44,657,059 km (0.035 R)
• M34: 45,405,347 km (0.106 R)
• M35: 47,856,060 km (0.036 R)
• M36: 53,019,281 km (0.098 R)
• M37: 53,521,481 km (0.093 R)
• M38: 56,080,502 km (0.111 R)
• M39: 58,363,365 km (0.116 R)
• M40: 59,979,621 km (0.092 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 15,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit