🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.3

Radius: 10.1

Gravity: 9.77 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.52 AU - 0.62 AU

Year: 287 Days

Day: 6.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,511,838 km

• M1: 125,662 km (0.102 R)
• M2: 490,831 km (0.12 R)
• M3: 881,580 km (0.088 R)
• M4: 1,235,978 km (0.095 R)
• M5: 1,672,953 km (0.12 R)
• M6: 2,104,992 km (0.102 R)
• M7: 2,933,764 km (0.104 R)
• M8: 3,590,498 km (0.079 R)
• M9: 4,055,149 km (0.107 R)
• M10: 4,477,165 km (0.113 R)
• M11: 4,827,224 km (0.08 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.2

Radius: 10

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.95 AU - 0.99 AU

Year: 637 Days

Day: 13.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 73,511,838 km

• M1: 124,465 km (0.109 R)
• M2: 449,542 km (0.099 R)
• M3: 788,530 km (0.084 R)
• M4: 1,367,025 km (0.117 R)
• M5: 2,245,165 km (0.102 R)
• M6: 2,776,985 km (0.069 R)
• M7: 3,263,777 km (0.113 R)
• M8: 4,890,055 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 332.7

Radius: 10.1

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.92 AU - 1.16 AU

Year: 707 Days

Day: 8.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,511,838 km

• M1: 125,662 km (0.072 R)
• M2: 448,195 km (0.113 R)
• M3: 905,965 km (0.118 R)
• M4: 1,339,350 km (0.032 R)
• M5: 2,228,410 km (0.106 R)
• M6: 3,089,495 km (0.054 R)
• M7: 3,520,786 km (0.063 R)
• M8: 4,060,834 km (0.04 R)
• M9: 4,401,917 km (0.11 R)
• M10: 4,949,894 km (0.112 R)
• M11: 5,290,080 km (0.104 R)
• M12: 5,663,327 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 251.7

Radius: 10.9

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.12 AU - 1.84 AU

Year: 1201 Days

Day: 7.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 73,511,838 km

• M1: 135,536 km (0.043 R)
• M2: 1,138,589 km (0.095 R)
• M3: 1,495,680 km (0.112 R)
• M4: 2,382,645 km (0.103 R)
• M5: 2,754,546 km (0.091 R)
• M6: 3,178,207 km (0.111 R)
• M7: 3,575,688 km (0.062 R)
• M8: 4,066,519 km (0.119 R)
• M9: 4,734,473 km (0.074 R)
• M10: 5,437,284 km (0.105 R)
• M11: 6,473,997 km (0.094 R)
• M12: 7,072,539 km (0.107 R)
• M13: 7,801,379 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 422.4

Radius: 14.1

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.17 AU - 3.03 AU

Year: 2796 Days

Day: 7.1 Hours

Environment

Temp: -219 °C

Axial Tilt: 178.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 73,511,838 km

• M1: 175,777 km (0.106 R)
• M2: 636,988 km (0.053 R)
• M3: 1,078,750 km (0.03 R)
• M4: 1,666,520 km (0.094 R)
• M5: 2,346,891 km (0.026 R)
• M6: 2,879,460 km (0.111 R)
• M7: 3,323,018 km (0.088 R)
• M8: 3,905,252 km (0.11 R)
• M9: 4,411,492 km (0.095 R)
• M10: 5,439,079 km (0.053 R)
• M11: 6,810,593 km (0.073 R)
• M12: 8,983,651 km (0.111 R)
• M13: 9,766,347 km (0.086 R)
• M14: 10,373,864 km (0.101 R)
• M15: 11,585,906 km (0.09 R)
• M16: 13,753,879 km (0.081 R)
• M17: 14,655,954 km (0.094 R)
• M18: 16,378,424 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955

Radius: 8.2

Gravity: 14.2 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 4.24 AU - 7.04 AU

Year: 8932 Days

Day: 12.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 73,511,838 km

• M1: 102,026 km (0.056 R)
• M2: 658,979 km (0.098 R)
• M3: 1,034,768 km (0.098 R)
• M4: 1,387,371 km (0.104 R)
• M5: 2,032,736 km (0.118 R)
• M6: 2,653,268 km (0.071 R)
• M7: 3,960,604 km (0.038 R)
• M8: 4,352,700 km (0.092 R)
• M9: 4,863,427 km (0.097 R)
• M10: 6,637,807 km (0.103 R)
• M11: 7,776,845 km (0.052 R)
• M12: 8,169,091 km (0.069 R)
• M13: 9,136,241 km (0.085 R)
• M14: 10,489,354 km (0.086 R)
• M15: 11,296,285 km (0.109 R)
• M16: 12,792,114 km (0.053 R)
• M17: 13,277,709 km (0.047 R)
• M18: 13,650,058 km (0.105 R)
• M19: 17,394,642 km (0.086 R)
• M20: 21,772,474 km (0.04 R)
• M21: 26,636,499 km (0.079 R)
• M22: 26,931,805 km (0.057 R)
• M23: 31,846,245 km (0.084 R)
• M24: 32,850,944 km (0.103 R)
• M25: 39,582,549 km (0.086 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.2

Radius: 3

Gravity: 64.8 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 8.98 AU - 10.7 AU

Year: 20584 Days

Day: 19.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 73,511,838 km

• M1: 40,691 km (0.106 R)
• M2: 444,754 km (0.114 R)
• M3: 549,323 km (0.075 R)
• M4: 1,199,177 km (0.115 R)
• M5: 1,499,569 km (0.091 R)
• M6: 1,615,956 km (0.109 R)
• M7: 2,630,080 km (0.119 R)
• M8: 2,849,391 km (0.106 R)
• M9: 3,408,587 km (0.112 R)
• M10: 4,463,103 km (0.107 R)
• M11: 4,739,709 km (0.106 R)
• M12: 5,637,895 km (0.044 R)
• M13: 9,002,949 km (0.039 R)
• M14: 10,548,295 km (0.114 R)
• M15: 10,852,578 km (0.051 R)
• M16: 12,328,361 km (0.098 R)
• M17: 13,501,507 km (0.076 R)
• M18: 14,299,013 km (0.089 R)
• M19: 15,127,486 km (0.059 R)
• M20: 15,281,422 km (0.068 R)
• M21: 17,633,251 km (0.116 R)
• M22: 18,584,992 km (0.102 R)
• M23: 22,334,214 km (0.114 R)
• M24: 30,541,004 km (0.12 R)
• M25: 33,711,731 km (0.066 R)
• M26: 36,677,359 km (0.052 R)
• M27: 37,515,406 km (0.086 R)
• M28: 38,223,453 km (0.103 R)
• M29: 42,506,290 km (0.058 R)
• M30: 46,283,786 km (0.033 R)
• M31: 48,253,840 km (0.077 R)
• M32: 48,420,492 km (0.104 R)
• M33: 51,312,518 km (0.039 R)
• M34: 52,712,455 km (0.068 R)
• M35: 57,064,706 km (0.062 R)
• M36: 57,437,803 km (0.096 R)
• M37: 61,454,506 km (0.096 R)
• M38: 70,041,125 km (0.111 R)
• M39: 70,898,320 km (0.061 R)
• M40: 71,979,614 km (0.096 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 19,382 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit