🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 540.8

Radius: 8.3

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.45 AU - 0.59 AU

Year: 259 Days

Day: 10.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,835,914 km

• M1: 103,223 km (0.071 R)
• M2: 394,938 km (0.042 R)
• M3: 697,425 km (0.098 R)
• M4: 1,073,963 km (0.12 R)
• M5: 1,353,562 km (0.085 R)
• M6: 1,663,379 km (0.07 R)
• M7: 1,942,379 km (0.092 R)
• M8: 2,221,977 km (0.104 R)
• M9: 2,622,301 km (0.05 R)
• M10: 2,890,680 km (0.114 R)
• M11: 3,167,585 km (0.109 R)
• M12: 3,515,101 km (0.118 R)
• M13: 3,775,401 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 441.2

Radius: 12

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 0.51 AU - 0.69 AU

Year: 321 Days

Day: 12.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,835,914 km

• M1: 149,299 km (0.109 R)
• M2: 544,087 km (0.092 R)
• M3: 1,068,428 km (0.034 R)
• M4: 1,953,449 km (0.117 R)
• M5: 2,876,917 km (0.034 R)
• M6: 3,369,991 km (0.102 R)
• M7: 3,873,089 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 100.9

Radius: 9.7

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 0.61 AU - 0.89 AU

Year: 448 Days

Day: 9.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 36.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 65,835,914 km

• M1: 120,576 km (0.101 R)
• M2: 475,721 km (0.113 R)
• M3: 1,287,290 km (0.046 R)
• M4: 1,636,302 km (0.114 R)
• M5: 2,237,087 km (0.057 R)
• M6: 2,798,079 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.5

Radius: 13.5

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.76 AU - 0.88 AU

Year: 513 Days

Day: 7 Hours

Environment

Temp: -170 °C

Axial Tilt: 13.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,835,914 km

• M1: 167,998 km (0.078 R)
• M2: 612,005 km (0.075 R)
• M3: 1,179,280 km (0.088 R)
• M4: 1,636,750 km (0.057 R)
• M5: 2,177,547 km (0.101 R)
• M6: 2,792,992 km (0.118 R)
• M7: 3,270,209 km (0.05 R)
• M8: 3,802,179 km (0.098 R)
• M9: 4,227,636 km (0.106 R)
• M10: 5,260,759 km (0.083 R)
• M11: 6,878,360 km (0.114 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.3

Radius: 13.9

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 1.92 AU - 3.16 AU

Year: 2794 Days

Day: 5.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,835,914 km

• M1: 172,935 km (0.115 R)
• M2: 708,944 km (0.064 R)
• M3: 1,195,736 km (0.049 R)
• M4: 1,855,163 km (0.057 R)
• M5: 4,659,674 km (0.045 R)
• M6: 5,576,560 km (0.048 R)
• M7: 6,471,903 km (0.109 R)
• M8: 9,678,683 km (0.118 R)
• M9: 10,614,119 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.4

Radius: 9.4

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.98 AU - 5.1 AU

Year: 6677 Days

Day: 10.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,835,914 km

• M1: 116,986 km (0.097 R)
• M2: 783,594 km (0.075 R)
• M3: 1,173,745 km (0.105 R)
• M4: 1,478,476 km (0.098 R)
• M5: 2,596,421 km (0.104 R)
• M6: 3,080,370 km (0.099 R)
• M7: 4,202,503 km (0.102 R)
• M8: 4,556,452 km (0.092 R)
• M9: 5,545,294 km (0.037 R)
• M10: 6,671,018 km (0.093 R)
• M11: 7,268,811 km (0.054 R)
• M12: 8,485,490 km (0.097 R)
• M13: 10,214,991 km (0.114 R)
• M14: 20,566,865 km (0.096 R)
• M15: 23,739,088 km (0.101 R)
• M16: 26,666,568 km (0.103 R)
• M17: 27,599,162 km (0.054 R)
• M18: 29,628,008 km (0.085 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.9

Radius: 11

Gravity: 6.3 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.31 AU - 6.41 AU

Year: 8566 Days

Day: 5.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,835,914 km

• M1: 136,732 km (0.119 R)
• M2: 625,319 km (0.106 R)
• M3: 1,096,253 km (0.113 R)
• M4: 1,669,811 km (0.031 R)
• M5: 2,272,840 km (0.112 R)
• M6: 2,888,884 km (0.119 R)
• M7: 3,305,515 km (0.07 R)
• M8: 3,914,827 km (0.119 R)
• M9: 4,714,128 km (0.095 R)
• M10: 5,618,896 km (0.072 R)
• M11: 7,607,052 km (0.072 R)
• M12: 8,537,999 km (0.099 R)
• M13: 9,215,229 km (0.104 R)
• M14: 9,638,591 km (0.069 R)
• M15: 12,916,879 km (0.1 R)
• M16: 13,748,942 km (0.087 R)
• M17: 15,917,961 km (0.031 R)
• M18: 18,453,496 km (0.118 R)
• M19: 20,603,217 km (0.039 R)
• M20: 22,659,440 km (0.048 R)
• M21: 23,258,879 km (0.094 R)
• M22: 24,489,471 km (0.108 R)
• M23: 25,394,687 km (0.082 R)
• M24: 26,228,247 km (0.12 R)
• M25: 32,908,540 km (0.069 R)
• M26: 34,683,668 km (0.079 R)
• M27: 37,227,430 km (0.071 R)
• M28: 37,702,852 km (0.036 R)
• M29: 38,062,186 km (0.039 R)
• M30: 38,666,113 km (0.028 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 441.5

Radius: 6.5

Gravity: 10.45 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.42 AU - 6.96 AU

Year: 10630 Days

Day: 23 Hours

Environment

Temp: -229 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,835,914 km

• M1: 84,822 km (0.106 R)
• M2: 485,146 km (0.087 R)
• M3: 891,005 km (0.113 R)
• M4: 1,670,410 km (0.12 R)
• M5: 2,089,134 km (0.057 R)
• M6: 2,877,365 km (0.058 R)
• M7: 3,455,711 km (0.109 R)
• M8: 4,493,172 km (0.114 R)
• M9: 4,901,125 km (0.077 R)
• M10: 5,657,642 km (0.101 R)
• M11: 7,559,629 km (0.102 R)
• M12: 13,143,669 km (0.111 R)
• M13: 13,795,766 km (0.028 R)
• M14: 20,429,833 km (0.036 R)
• M15: 20,744,886 km (0.072 R)
• M16: 21,546,731 km (0.068 R)
• M17: 24,872,142 km (0.117 R)
• M18: 26,052,469 km (0.069 R)
• M19: 30,426,711 km (0.104 R)
• M20: 39,125,079 km (0.088 R)
• M21: 41,218,402 km (0.114 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 365.9

Radius: 6.5

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 9.14 AU - 10.98 AU

Year: 22025 Days

Day: 17.3 Hours

Environment

Temp: -225 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,835,914 km

• M1: 80,783 km (0.12 R)
• M2: 345,122 km (0.05 R)
• M3: 598,990 km (0.091 R)
• M4: 945,159 km (0.078 R)
• M5: 1,360,742 km (0.087 R)
• M6: 2,665,236 km (0.115 R)
• M7: 3,022,625 km (0.078 R)
• M8: 3,688,934 km (0.087 R)
• M9: 3,892,088 km (0.116 R)
• M10: 4,679,421 km (0.073 R)
• M11: 5,093,060 km (0.105 R)
• M12: 7,172,470 km (0.07 R)
• M13: 9,814,967 km (0.071 R)
• M14: 11,261,279 km (0.068 R)
• M15: 14,497,978 km (0.097 R)
• M16: 15,828,053 km (0.106 R)
• M17: 16,522,636 km (0.103 R)
• M18: 20,303,573 km (0.088 R)
• M19: 23,121,548 km (0.087 R)
• M20: 30,217,274 km (0.077 R)
• M21: 44,738,440 km (0.117 R)
• M22: 46,592,556 km (0.09 R)
• M23: 48,497,236 km (0.076 R)
• M24: 54,695,973 km (0.109 R)
• M25: 61,214,252 km (0.116 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 334 - 15,537 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit