🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.46 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.7

Radius: 10.5

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.73 AU - 1.09 AU

Year: 561 Days

Day: 14.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 18,194,415 km

• M1: 130,599 km (0.107 R)
• M2: 509,830 km (0.097 R)
• M3: 844,031 km (0.085 R)
• M4: 1,274,873 km (0.07 R)
• M5: 1,858,903 km (0.036 R)
• M6: 2,295,131 km (0.109 R)
• M7: 3,004,224 km (0.103 R)
• M8: 3,621,465 km (0.084 R)
• M9: 4,095,691 km (0.086 R)
• M10: 5,169,354 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 988.9

Radius: 11.4

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.94 AU - 0.98 AU

Year: 607 Days

Day: 14.7 Hours

Environment

Temp: -158 °C

Axial Tilt: 6.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 18,194,415 km

• M1: 141,819 km (0.119 R)
• M2: 506,838 km (0.082 R)
• M3: 891,603 km (0.075 R)
• M4: 1,285,495 km (0.052 R)
• M5: 1,649,616 km (0.12 R)
• M6: 2,380,701 km (0.106 R)
• M7: 3,213,063 km (0.105 R)
• M8: 3,927,692 km (0.05 R)
• M9: 4,779,054 km (0.084 R)
• M10: 5,903,581 km (0.092 R)
• M11: 6,781,720 km (0.09 R)
• M12: 7,286,164 km (0.111 R)
• M13: 8,198,562 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.9

Radius: 11.8

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.44 AU - 1.58 AU

Year: 1198 Days

Day: 8 Hours

Environment

Temp: -178 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 18,194,415 km

• M1: 146,756 km (0.11 R)
• M2: 520,750 km (0.097 R)
• M3: 1,001,109 km (0.107 R)
• M4: 1,645,277 km (0.073 R)
• M5: 2,046,499 km (0.046 R)
• M6: 2,476,294 km (0.063 R)
• M7: 3,198,103 km (0.12 R)
• M8: 3,633,433 km (0.099 R)
• M9: 6,060,210 km (0.112 R)
• M10: 6,509,901 km (0.092 R)
• M11: 7,423,794 km (0.09 R)
• M12: 7,828,905 km (0.118 R)
• M13: 9,042,892 km (0.086 R)
• M14: 10,478,583 km (0.026 R)
• M15: 11,804,918 km (0.107 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.7

Radius: 9.6

Gravity: 9.96 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.11 AU - 3.01 AU

Year: 2645 Days

Day: 9.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 18,194,415 km

• M1: 119,678 km (0.112 R)
• M2: 449,691 km (0.092 R)
• M3: 876,494 km (0.072 R)
• M4: 1,234,033 km (0.089 R)
• M5: 1,644,679 km (0.087 R)
• M6: 2,040,216 km (0.074 R)
• M7: 2,974,754 km (0.079 R)
• M8: 3,379,565 km (0.044 R)
• M9: 3,921,858 km (0.083 R)
• M10: 5,380,138 km (0.066 R)
• M11: 6,867,589 km (0.103 R)
• M12: 7,170,675 km (0.063 R)
• M13: 7,609,894 km (0.034 R)
• M14: 10,159,042 km (0.098 R)
• M15: 11,205,180 km (0.036 R)
• M16: 11,883,756 km (0.089 R)
• M17: 12,189,085 km (0.061 R)
• M18: 14,426,471 km (0.087 R)
• M19: 17,034,560 km (0.11 R)
• M20: 17,591,662 km (0.094 R)
• M21: 17,931,549 km (0.068 R)
• M22: 19,455,951 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.2

Radius: 10

Gravity: 0.34 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 2.49 AU - 3.69 AU

Year: 3507 Days

Day: 14.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 18,194,415 km

• M1: 144,661 km (0.074 R)
• M2: 458,517 km (0.073 R)
• M3: 788,680 km (0.096 R)
• M4: 1,167,611 km (0.067 R)
• M5: 2,059,663 km (0.039 R)
• M6: 4,230,777 km (0.118 R)
• M7: 5,724,961 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 967.6

Radius: 3.3

Gravity: 88.85 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.99 AU - 7.43 AU

Year: 11223 Days

Day: 15.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 18,194,415 km

• M1: 40,990 km (0.072 R)
• M2: 180,714 km (0.087 R)
• M3: 385,215 km (0.052 R)
• M4: 784,641 km (0.113 R)
• M5: 1,196,185 km (0.099 R)
• M6: 1,328,878 km (0.068 R)
• M7: 1,531,134 km (0.071 R)
• M8: 2,164,980 km (0.079 R)
• M9: 2,487,065 km (0.067 R)
• M10: 3,077,378 km (0.045 R)
• M11: 5,400,782 km (0.107 R)
• M12: 6,261,269 km (0.058 R)
• M13: 6,459,786 km (0.096 R)
• M14: 8,829,416 km (0.109 R)
• M15: 12,144,056 km (0.088 R)
• M16: 12,266,876 km (0.065 R)
• M17: 14,623,042 km (0.11 R)
• M18: 15,470,813 km (0.059 R)
• M19: 16,276,398 km (0.103 R)
• M20: 16,803,282 km (0.042 R)
• M21: 17,654,194 km (0.035 R)
• M22: 18,130,065 km (0.042 R)
• M23: 19,863,605 km (0.09 R)
• M24: 20,034,147 km (0.116 R)
• M25: 20,292,054 km (0.103 R)
• M26: 24,526,720 km (0.084 R)
• M27: 24,723,143 km (0.11 R)
• M28: 25,619,982 km (0.077 R)
• M29: 35,559,264 km (0.103 R)
• M30: 37,866,512 km (0.045 R)
• M31: 40,135,463 km (0.084 R)
• M32: 42,352,204 km (0.117 R)
• M33: 48,866,144 km (0.114 R)
• M34: 50,592,953 km (0.1 R)
• M35: 53,835,935 km (0.111 R)
• M36: 55,002,948 km (0.098 R)
• M37: 55,846,830 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 15

Radius: 5.4

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 7.71 AU - 9.15 AU

Year: 15804 Days

Day: 18.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 35.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 18,194,415 km

• M1: 67,169 km (0.115 R)
• M2: 252,372 km (0.102 R)
• M3: 977,921 km (0.114 R)
• M4: 1,271,283 km (0.067 R)
• M5: 2,084,497 km (0.072 R)
• M6: 2,346,742 km (0.077 R)
• M7: 2,781,174 km (0.104 R)
• M8: 3,459,600 km (0.091 R)
• M9: 5,893,558 km (0.088 R)
• M10: 17,233,076 km (0.113 R)
• M11: 17,443,710 km (0.099 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 168 - 12,394 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit