🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.58 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 596.7

Radius: 11.5

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.08 AU - 1.24 AU

Year: 833 Days

Day: 5.4 Hours

Environment

Temp: -187 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 61,950,588 km

• M1: 144,063 km (0.063 R)
• M2: 524,041 km (0.116 R)
• M3: 941,419 km (0.026 R)
• M4: 1,309,430 km (0.104 R)
• M5: 1,801,607 km (0.032 R)
• M6: 2,280,620 km (0.115 R)
• M7: 2,749,609 km (0.063 R)
• M8: 3,230,267 km (0.12 R)
• M9: 3,988,429 km (0.101 R)
• M10: 4,426,302 km (0.077 R)
• M11: 4,844,278 km (0.104 R)
• M12: 6,425,528 km (0.103 R)
• M13: 6,963,182 km (0.115 R)
• M14: 8,502,545 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48

Radius: 10.9

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.96 AU - 1.56 AU

Year: 943 Days

Day: 6.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 61,950,588 km

• M1: 135,536 km (0.111 R)
• M2: 663,766 km (0.098 R)
• M3: 1,134,999 km (0.087 R)
• M4: 1,613,263 km (0.101 R)
• M5: 1,978,432 km (0.111 R)
• M6: 2,473,750 km (0.12 R)
• M7: 3,089,495 km (0.12 R)
• M8: 3,476,655 km (0.068 R)
• M9: 3,816,242 km (0.039 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.4

Radius: 8.5

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 1.96 AU - 2.24 AU

Year: 2029 Days

Day: 10.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 61,950,588 km

• M1: 108,010 km (0.103 R)
• M2: 712,086 km (0.119 R)
• M3: 1,450,052 km (0.083 R)
• M4: 1,774,530 km (0.102 R)
• M5: 3,162,349 km (0.092 R)
• M6: 3,727,530 km (0.05 R)
• M7: 6,376,310 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 273.6

Radius: 11.9

Gravity: 1.93 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 4.08 AU - 6.2 AU

Year: 7771 Days

Day: 6.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 61,950,588 km

• M1: 147,952 km (0.114 R)
• M2: 568,771 km (0.069 R)
• M3: 1,325,288 km (0.083 R)
• M4: 1,777,073 km (0.118 R)
• M5: 3,410,831 km (0.104 R)
• M6: 4,901,275 km (0.106 R)
• M7: 5,389,862 km (0.098 R)
• M8: 8,414,880 km (0.107 R)
• M9: 9,077,449 km (0.106 R)
• M10: 10,639,999 km (0.081 R)
• M11: 16,220,000 km (0.093 R)
• M12: 17,308,623 km (0.119 R)
• M13: 18,574,670 km (0.094 R)
• M14: 18,966,168 km (0.103 R)
• M15: 20,174,170 km (0.11 R)
• M16: 23,191,260 km (0.083 R)
• M17: 24,338,227 km (0.102 R)
• M18: 26,088,073 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.7

Radius: 13.2

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.46 AU - 5.86 AU

Year: 7816 Days

Day: 9.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 152.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 61,950,588 km

• M1: 164,408 km (0.119 R)
• M2: 1,343,838 km (0.116 R)
• M3: 2,225,268 km (0.065 R)
• M4: 3,291,452 km (0.108 R)
• M5: 4,793,864 km (0.064 R)
• M6: 6,033,881 km (0.045 R)
• M7: 10,866,789 km (0.061 R)
• M8: 14,435,147 km (0.113 R)
• M9: 16,092,542 km (0.088 R)
• M10: 18,842,600 km (0.053 R)
• M11: 22,373,110 km (0.066 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.9

Radius: 7.7

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 4.6 AU - 7.04 AU

Year: 9363 Days

Day: 16.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 61,950,588 km

• M1: 109,206 km (0.073 R)
• M2: 972,685 km (0.065 R)
• M3: 1,577,659 km (0.048 R)
• M4: 2,105,740 km (0.115 R)
• M5: 2,395,361 km (0.028 R)
• M6: 3,248,069 km (0.113 R)
• M7: 3,809,211 km (0.095 R)
• M8: 5,766,699 km (0.098 R)
• M9: 8,963,156 km (0.093 R)
• M10: 12,977,316 km (0.1 R)
• M11: 14,817,370 km (0.095 R)
• M12: 16,586,814 km (0.091 R)
• M13: 17,553,066 km (0.065 R)
• M14: 22,297,114 km (0.062 R)
• M15: 26,674,497 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 906

Radius: 3.4

Gravity: 78.37 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 6.09 AU - 8.23 AU

Year: 12776 Days

Day: 20.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 152.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 61,950,588 km

• M1: 47,273 km (0.12 R)
• M2: 166,054 km (0.065 R)
• M3: 428,000 km (0.083 R)
• M4: 575,653 km (0.082 R)
• M5: 805,435 km (0.052 R)
• M6: 1,056,759 km (0.072 R)
• M7: 1,886,579 km (0.097 R)
• M8: 2,033,035 km (0.059 R)
• M9: 2,267,156 km (0.091 R)
• M10: 2,719,390 km (0.08 R)
• M11: 2,835,478 km (0.106 R)
• M12: 3,077,527 km (0.056 R)
• M13: 5,103,083 km (0.06 R)
• M14: 6,761,225 km (0.085 R)
• M15: 7,018,085 km (0.104 R)
• M16: 7,874,084 km (0.095 R)
• M17: 8,062,727 km (0.11 R)
• M18: 12,058,935 km (0.085 R)
• M19: 13,017,259 km (0.109 R)
• M20: 13,414,441 km (0.056 R)
• M21: 14,513,088 km (0.064 R)
• M22: 15,156,658 km (0.107 R)
• M23: 15,302,217 km (0.101 R)
• M24: 17,439,222 km (0.064 R)
• M25: 17,679,327 km (0.119 R)
• M26: 18,002,907 km (0.117 R)
• M27: 18,829,286 km (0.077 R)
• M28: 19,422,441 km (0.067 R)
• M29: 19,766,965 km (0.117 R)
• M30: 22,293,673 km (0.096 R)
• M31: 23,928,329 km (0.11 R)
• M32: 24,423,797 km (0.055 R)
• M33: 25,538,002 km (0.108 R)
• M34: 25,951,491 km (0.112 R)
• M35: 27,541,566 km (0.064 R)
• M36: 32,097,270 km (0.091 R)
• M37: 35,058,261 km (0.09 R)
• M38: 49,358,321 km (0.085 R)
• M39: 58,131,638 km (0.069 R)
• M40: 59,206,349 km (0.051 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: 526 - 12,990 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit