🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.8

Radius: 13.3

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 0.46 AU - 0.64 AU

Year: 277 Days

Day: 7.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 89,984,833 km

• M1: 165,605 km (0.098 R)
• M2: 802,144 km (0.12 R)
• M3: 1,442,273 km (0.067 R)
• M4: 2,234,992 km (0.102 R)
• M5: 2,818,573 km (0.094 R)
• M6: 3,564,618 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.8

Radius: 14.9

Gravity: 2.99 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 1.05 AU - 1.11 AU

Year: 761 Days

Day: 7.2 Hours

Environment

Temp: -173 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,984,833 km

• M1: 185,501 km (0.074 R)
• M2: 742,753 km (0.086 R)
• M3: 1,270,984 km (0.096 R)
• M4: 1,853,069 km (0.079 R)
• M5: 2,369,032 km (0.048 R)
• M6: 2,921,946 km (0.079 R)
• M7: 3,699,705 km (0.105 R)
• M8: 4,370,951 km (0.118 R)
• M9: 4,931,195 km (0.079 R)
• M10: 5,670,806 km (0.082 R)
• M11: 6,177,494 km (0.116 R)
• M12: 7,788,215 km (0.061 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.1

Radius: 10.8

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 1.47 AU - 2.17 AU

Year: 1665 Days

Day: 8.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,984,833 km

• M1: 134,339 km (0.094 R)
• M2: 529,726 km (0.037 R)
• M3: 948,451 km (0.068 R)
• M4: 1,440,478 km (0.12 R)
• M5: 1,799,064 km (0.089 R)
• M6: 2,184,877 km (0.104 R)
• M7: 2,601,657 km (0.105 R)
• M8: 3,002,728 km (0.1 R)
• M9: 3,881,915 km (0.057 R)
• M10: 5,059,699 km (0.114 R)
• M11: 5,439,379 km (0.105 R)
• M12: 6,671,167 km (0.109 R)
• M13: 7,867,502 km (0.066 R)
• M14: 8,433,730 km (0.097 R)
• M15: 9,230,937 km (0.119 R)
• M16: 9,769,339 km (0.091 R)
• M17: 10,265,555 km (0.114 R)
• M18: 10,616,362 km (0.109 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 754.8

Radius: 14.9

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 2.06 AU - 2.32 AU

Year: 2198 Days

Day: 9.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 89,984,833 km

• M1: 185,651 km (0.092 R)
• M2: 681,717 km (0.072 R)
• M3: 2,014,635 km (0.112 R)
• M4: 2,524,913 km (0.109 R)
• M5: 3,685,493 km (0.049 R)
• M6: 4,820,043 km (0.112 R)
• M7: 5,363,084 km (0.06 R)
• M8: 5,921,682 km (0.066 R)
• M9: 7,654,474 km (0.109 R)
• M10: 8,951,189 km (0.083 R)
• M11: 9,460,719 km (0.105 R)
• M12: 10,687,870 km (0.061 R)
• M13: 11,536,988 km (0.08 R)
• M14: 12,472,423 km (0.087 R)
• M15: 13,678,631 km (0.074 R)
• M16: 14,680,039 km (0.113 R)
• M17: 15,438,650 km (0.073 R)
• M18: 16,880,175 km (0.108 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 197.9

Radius: 5.3

Gravity: 7.05 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 5.15 AU - 6.71 AU

Year: 9794 Days

Day: 19.1 Hours

Environment

Temp: -231 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 89,984,833 km

• M1: 65,973 km (0.089 R)
• M2: 686,505 km (0.114 R)
• M3: 994,975 km (0.052 R)
• M4: 1,887,476 km (0.066 R)
• M5: 2,294,831 km (0.11 R)
• M6: 2,945,732 km (0.071 R)
• M7: 6,150,567 km (0.038 R)
• M8: 9,571,870 km (0.097 R)
• M9: 10,489,803 km (0.105 R)
• M10: 13,222,208 km (0.09 R)
• M11: 21,317,846 km (0.112 R)
• M12: 21,608,964 km (0.051 R)
• M13: 23,411,618 km (0.054 R)
• M14: 30,693,294 km (0.111 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 759.4

Radius: 4.7

Gravity: 34.38 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 9.38 AU - 9.44 AU

Year: 19578 Days

Day: 20.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,984,833 km

• M1: 59,091 km (0.09 R)
• M2: 295,007 km (0.088 R)
• M3: 607,517 km (0.073 R)
• M4: 1,636,900 km (0.109 R)
• M5: 1,854,415 km (0.11 R)
• M6: 2,050,089 km (0.118 R)
• M7: 2,369,630 km (0.075 R)
• M8: 2,846,399 km (0.116 R)
• M9: 3,161,751 km (0.104 R)
• M10: 3,647,944 km (0.044 R)
• M11: 6,140,993 km (0.099 R)
• M12: 7,222,585 km (0.097 R)
• M13: 10,904,039 km (0.113 R)
• M14: 13,682,820 km (0.085 R)
• M15: 16,236,007 km (0.081 R)
• M16: 16,565,571 km (0.056 R)
• M17: 17,841,491 km (0.084 R)
• M18: 21,167,800 km (0.078 R)
• M19: 21,859,390 km (0.087 R)
• M20: 22,463,915 km (0.083 R)
• M21: 22,976,288 km (0.117 R)
• M22: 24,024,221 km (0.109 R)
• M23: 25,103,570 km (0.101 R)
• M24: 29,015,105 km (0.106 R)
• M25: 30,988,750 km (0.052 R)
• M26: 33,181,855 km (0.096 R)
• M27: 39,630,720 km (0.093 R)
• M28: 41,440,555 km (0.072 R)
• M29: 47,870,720 km (0.083 R)
• M30: 48,378,156 km (0.107 R)
• M31: 48,889,183 km (0.093 R)
• M32: 51,145,118 km (0.09 R)
• M33: 51,498,319 km (0.079 R)
• M34: 52,567,495 km (0.079 R)
• M35: 57,944,192 km (0.111 R)
• M36: 62,460,552 km (0.096 R)
• M37: 69,557,924 km (0.049 R)
• M38: 70,863,614 km (0.117 R)
• M39: 77,638,453 km (0.081 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 833.3

Radius: 5.7

Gravity: 25.65 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 8.56 AU - 11.76 AU

Year: 21965 Days

Day: 18.8 Hours

Environment

Temp: -239 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,984,833 km

• M1: 72,555 km (0.109 R)
• M2: 269,575 km (0.057 R)
• M3: 451,935 km (0.106 R)
• M4: 1,867,580 km (0.054 R)
• M5: 2,266,258 km (0.065 R)
• M6: 3,091,590 km (0.039 R)
• M7: 5,395,098 km (0.052 R)
• M8: 5,981,521 km (0.11 R)
• M9: 6,656,058 km (0.108 R)
• M10: 8,757,011 km (0.113 R)
• M11: 11,940,004 km (0.097 R)
• M12: 13,374,349 km (0.083 R)
• M13: 15,242,527 km (0.095 R)
• M14: 17,994,829 km (0.089 R)
• M15: 25,822,088 km (0.117 R)
• M16: 30,213,833 km (0.11 R)
• M17: 35,793,086 km (0.104 R)
• M18: 41,225,882 km (0.066 R)
• M19: 42,827,028 km (0.095 R)
• M20: 43,972,200 km (0.03 R)
• M21: 51,641,783 km (0.086 R)
• M22: 59,144,865 km (0.072 R)
• M23: 68,445,364 km (0.055 R)
• M24: 76,027,433 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 873.3

Radius: 4.8

Gravity: 37.9 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 8.87 AU - 11.95 AU

Year: 22781 Days

Day: 20.4 Hours

Environment

Temp: -239 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,984,833 km

• M1: 59,690 km (0.108 R)
• M2: 328,218 km (0.107 R)
• M3: 638,334 km (0.041 R)
• M4: 991,385 km (0.081 R)
• M5: 2,439,492 km (0.047 R)
• M6: 4,048,866 km (0.053 R)
• M7: 6,769,752 km (0.111 R)
• M8: 8,254,063 km (0.118 R)
• M9: 9,942,723 km (0.088 R)
• M10: 10,704,176 km (0.073 R)
• M11: 11,918,313 km (0.093 R)
• M12: 12,271,214 km (0.067 R)
• M13: 18,341,297 km (0.086 R)
• M14: 28,210,418 km (0.052 R)
• M15: 29,472,725 km (0.101 R)
• M16: 33,345,216 km (0.035 R)
• M17: 35,042,104 km (0.1 R)
• M18: 37,694,175 km (0.057 R)
• M19: 38,453,983 km (0.089 R)
• M20: 44,733,952 km (0.089 R)
• M21: 46,101,426 km (0.095 R)
• M22: 84,179,320 km (0.072 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: 400 - 19,126 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit