🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.57 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.9

Radius: 12.8

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.87 AU - 1.39 AU

Year: 764 Days

Day: 10.9 Hours

Environment

Temp: -175 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,741,005 km

• M1: 159,322 km (0.119 R)
• M2: 686,654 km (0.1 R)
• M3: 1,272,330 km (0.086 R)
• M4: 1,838,408 km (0.026 R)
• M5: 2,375,165 km (0.038 R)
• M6: 3,208,575 km (0.062 R)
• M7: 4,168,993 km (0.111 R)
• M8: 6,573,630 km (0.115 R)
• M9: 7,199,248 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 97.2

Radius: 8.9

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.88 AU - 1.9 AU

Year: 1652 Days

Day: 12.7 Hours

Environment

Temp: -187 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,741,005 km

• M1: 111,002 km (0.102 R)
• M2: 607,068 km (0.115 R)
• M3: 1,420,133 km (0.112 R)
• M4: 1,956,441 km (0.115 R)
• M5: 2,411,966 km (0.12 R)
• M6: 2,844,454 km (0.078 R)
• M7: 3,277,241 km (0.075 R)
• M8: 3,865,459 km (0.098 R)
• M9: 4,290,467 km (0.103 R)
• M10: 5,321,645 km (0.106 R)
• M11: 5,792,280 km (0.113 R)
• M12: 6,570,488 km (0.077 R)
• M13: 6,858,763 km (0.103 R)
• M14: 7,482,885 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.1

Radius: 8.5

Gravity: 12.36 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.41 AU - 3.39 AU

Year: 3140 Days

Day: 13.8 Hours

Environment

Temp: -200 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,741,005 km

• M1: 110,702 km (0.076 R)
• M2: 601,234 km (0.102 R)
• M3: 979,118 km (0.113 R)
• M4: 1,315,863 km (0.115 R)
• M5: 1,864,737 km (0.105 R)
• M6: 2,271,344 km (0.095 R)
• M7: 2,836,525 km (0.114 R)
• M8: 4,201,007 km (0.064 R)
• M9: 8,473,672 km (0.067 R)
• M10: 9,246,196 km (0.058 R)
• M11: 10,430,263 km (0.053 R)
• M12: 11,058,723 km (0.103 R)
• M13: 12,162,008 km (0.114 R)
• M14: 15,856,926 km (0.089 R)
• M15: 21,414,935 km (0.076 R)
• M16: 22,224,110 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.4

Radius: 13

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.67 AU - 3.39 AU

Year: 3353 Days

Day: 11.5 Hours

Environment

Temp: -210 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,741,005 km

• M1: 161,715 km (0.109 R)
• M2: 1,116,150 km (0.077 R)
• M3: 1,733,091 km (0.113 R)
• M4: 4,001,294 km (0.092 R)
• M5: 4,671,044 km (0.086 R)
• M6: 5,541,554 km (0.03 R)
• M7: 6,375,562 km (0.102 R)
• M8: 7,199,098 km (0.06 R)
• M9: 9,094,204 km (0.082 R)
• M10: 9,756,474 km (0.116 R)
• M11: 11,385,595 km (0.07 R)
• M12: 13,189,296 km (0.117 R)
• M13: 15,794,394 km (0.066 R)
• M14: 16,590,105 km (0.044 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.8

Radius: 8.7

Gravity: 12.61 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.42 AU - 5.8 AU

Year: 7345 Days

Day: 14.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,741,005 km

• M1: 108,758 km (0.106 R)
• M2: 435,629 km (0.037 R)
• M3: 1,559,707 km (0.114 R)
• M4: 2,086,442 km (0.11 R)
• M5: 2,890,829 km (0.066 R)
• M6: 3,352,488 km (0.098 R)
• M7: 4,070,109 km (0.054 R)
• M8: 4,536,406 km (0.118 R)
• M9: 6,046,896 km (0.04 R)
• M10: 7,743,635 km (0.113 R)
• M11: 8,503,891 km (0.084 R)
• M12: 11,135,766 km (0.103 R)
• M13: 14,267,299 km (0.102 R)
• M14: 15,021,272 km (0.073 R)
• M15: 15,669,479 km (0.082 R)
• M16: 17,091,557 km (0.084 R)
• M17: 20,661,560 km (0.037 R)
• M18: 22,119,541 km (0.109 R)
• M19: 22,704,618 km (0.044 R)
• M20: 23,043,607 km (0.084 R)
• M21: 23,818,524 km (0.08 R)
• M22: 28,443,492 km (0.095 R)
• M23: 42,679,674 km (0.079 R)
• M24: 43,325,937 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 372.6

Radius: 11.5

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.08 AU - 6.36 AU

Year: 7583 Days

Day: 9.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,741,005 km

• M1: 143,016 km (0.11 R)
• M2: 507,137 km (0.102 R)
• M3: 1,145,920 km (0.083 R)
• M4: 1,948,811 km (0.105 R)
• M5: 2,475,097 km (0.116 R)
• M6: 3,016,940 km (0.092 R)
• M7: 3,793,054 km (0.089 R)
• M8: 4,938,525 km (0.097 R)
• M9: 5,893,109 km (0.116 R)
• M10: 6,695,103 km (0.094 R)
• M11: 7,788,963 km (0.077 R)
• M12: 9,080,292 km (0.075 R)
• M13: 9,712,492 km (0.111 R)
• M14: 10,692,508 km (0.116 R)
• M15: 11,206,526 km (0.09 R)
• M16: 12,183,699 km (0.098 R)
• M17: 14,139,841 km (0.08 R)
• M18: 15,693,714 km (0.099 R)
• M19: 17,167,852 km (0.109 R)
• M20: 19,069,989 km (0.105 R)
• M21: 20,319,131 km (0.05 R)
• M22: 25,040,140 km (0.096 R)
• M23: 31,006,851 km (0.111 R)
• M24: 31,861,504 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 295.6

Radius: 4.8

Gravity: 12.83 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 8.47 AU - 11.89 AU

Year: 20652 Days

Day: 23.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,741,005 km

• M1: 59,690 km (0.095 R)
• M2: 217,216 km (0.11 R)
• M3: 462,257 km (0.091 R)
• M4: 1,189,303 km (0.098 R)
• M5: 2,427,674 km (0.111 R)
• M6: 3,513,904 km (0.104 R)
• M7: 6,388,427 km (0.074 R)
• M8: 11,989,521 km (0.12 R)
• M9: 12,483,045 km (0.106 R)
• M10: 12,671,538 km (0.104 R)
• M11: 14,662,985 km (0.071 R)
• M12: 17,316,702 km (0.113 R)
• M13: 17,551,271 km (0.055 R)
• M14: 20,273,803 km (0.039 R)
• M15: 25,014,410 km (0.118 R)
• M16: 28,337,577 km (0.1 R)
• M17: 28,991,918 km (0.067 R)
• M18: 30,104,477 km (0.061 R)
• M19: 31,014,930 km (0.1 R)
• M20: 35,214,292 km (0.105 R)
• M21: 39,777,326 km (0.09 R)
• M22: 40,872,981 km (0.113 R)
• M23: 41,428,138 km (0.042 R)
• M24: 42,695,980 km (0.062 R)
• M25: 50,690,042 km (0.115 R)
• M26: 52,465,469 km (0.1 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: 449 - 16,950 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit