🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.42

Radius: 1.64

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 0.55 AU - 0.55 AU

Year: 268 Days

Day: 47.2 Hours

Environment

Temp: -129 °C

Axial Tilt: 17.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.29

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.55 AU - 0.61 AU

Year: 290 Days

Day: 37.5 Hours

Environment

Temp: -118 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.9

Radius: 9.7

Gravity: 3.92 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 0.6 AU - 0.9 AU

Year: 426 Days

Day: 12.3 Hours

Environment

Temp: -139 °C

Axial Tilt: 103.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 71,801,269 km

• M1: 120,725 km (0.109 R)
• M2: 474,076 km (0.112 R)
• M3: 795,412 km (0.111 R)
• M4: 1,241,812 km (0.103 R)
• M5: 1,611,019 km (0.08 R)
• M6: 2,076,718 km (0.118 R)
• M7: 2,829,793 km (0.089 R)
• M8: 3,400,509 km (0.094 R)
• M9: 3,707,783 km (0.069 R)
• M10: 4,511,573 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.8

Radius: 8.4

Gravity: 6.19 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.69 AU - 0.99 AU

Year: 505 Days

Day: 11.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 71,801,269 km

• M1: 104,419 km (0.114 R)
• M2: 396,285 km (0.093 R)
• M3: 739,612 km (0.116 R)
• M4: 1,118,244 km (0.063 R)
• M5: 1,582,147 km (0.057 R)
• M6: 1,882,689 km (0.106 R)
• M7: 2,160,941 km (0.116 R)
• M8: 2,760,380 km (0.084 R)
• M9: 3,798,140 km (0.097 R)
• M10: 4,218,959 km (0.06 R)
• M11: 4,655,935 km (0.115 R)
• M12: 4,968,744 km (0.08 R)
• M13: 5,521,657 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.4

Radius: 11.6

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 1.12 AU - 1.58 AU

Year: 1029 Days

Day: 9.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 71,801,269 km

• M1: 144,212 km (0.063 R)
• M2: 511,475 km (0.075 R)
• M3: 975,977 km (0.102 R)
• M4: 1,828,086 km (0.099 R)
• M5: 2,265,361 km (0.028 R)
• M6: 3,067,654 km (0.068 R)
• M7: 4,000,247 km (0.109 R)
• M8: 4,708,294 km (0.115 R)
• M9: 5,152,151 km (0.074 R)
• M10: 5,881,291 km (0.089 R)
• M11: 7,090,490 km (0.087 R)
• M12: 7,859,723 km (0.102 R)
• M13: 9,029,129 km (0.061 R)
• M14: 10,152,310 km (0.117 R)
• M15: 11,096,123 km (0.082 R)
• M16: 11,469,070 km (0.067 R)

Asteroid Belt

Center: 1.99 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.8

Radius: 13.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.4 AU - 2.84 AU

Year: 2782 Days

Day: 11.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 71,801,269 km

• M1: 172,935 km (0.073 R)
• M2: 834,906 km (0.037 R)
• M3: 1,294,919 km (0.057 R)
• M4: 2,102,897 km (0.097 R)
• M5: 3,197,505 km (0.077 R)
• M6: 4,701,711 km (0.09 R)
• M7: 5,963,719 km (0.119 R)
• M8: 6,636,760 km (0.073 R)
• M9: 7,413,771 km (0.102 R)
• M10: 9,719,673 km (0.057 R)
• M11: 10,931,416 km (0.092 R)
• M12: 11,793,548 km (0.091 R)
• M13: 12,317,141 km (0.105 R)
• M14: 12,817,246 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 482

Radius: 3.7

Gravity: 35.21 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 6.41 AU - 6.57 AU

Year: 10846 Days

Day: 16.7 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 71,801,269 km

• M1: 56,249 km (0.095 R)
• M2: 303,833 km (0.039 R)
• M3: 468,391 km (0.047 R)
• M4: 800,349 km (0.084 R)
• M5: 1,334,263 km (0.106 R)
• M6: 2,074,474 km (0.096 R)
• M7: 2,286,603 km (0.118 R)
• M8: 2,455,051 km (0.099 R)
• M9: 2,988,666 km (0.099 R)
• M10: 3,497,449 km (0.099 R)
• M11: 3,823,871 km (0.074 R)
• M12: 4,034,655 km (0.073 R)
• M13: 4,170,340 km (0.12 R)
• M14: 4,773,668 km (0.104 R)
• M15: 5,870,819 km (0.084 R)
• M16: 9,421,375 km (0.108 R)
• M17: 9,612,411 km (0.083 R)
• M18: 10,453,151 km (0.098 R)
• M19: 12,279,442 km (0.107 R)
• M20: 13,387,513 km (0.109 R)
• M21: 16,069,803 km (0.11 R)
• M22: 16,757,355 km (0.116 R)
• M23: 17,464,355 km (0.108 R)
• M24: 19,782,374 km (0.092 R)
• M25: 20,253,457 km (0.042 R)
• M26: 20,491,767 km (0.062 R)
• M27: 20,893,287 km (0.116 R)
• M28: 22,636,551 km (0.085 R)
• M29: 30,062,440 km (0.046 R)
• M30: 30,372,706 km (0.037 R)
• M31: 32,931,129 km (0.096 R)
• M32: 39,699,535 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 129.9

Radius: 6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 6.87 AU - 7.83 AU

Year: 13072 Days

Day: 22.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 71,801,269 km

• M1: 74,649 km (0.097 R)
• M2: 1,862,942 km (0.095 R)
• M3: 9,095,551 km (0.075 R)
• M4: 9,347,773 km (0.097 R)
• M5: 12,696,371 km (0.072 R)
• M6: 17,596,300 km (0.094 R)
• M7: 20,605,760 km (0.106 R)
• M8: 29,136,728 km (0.118 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.3

Radius: 3.8

Gravity: 52.03 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 7.3 AU - 10.56 AU

Year: 17506 Days

Day: 21.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 159.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 71,801,269 km

• M1: 48,021 km (0.068 R)
• M2: 244,144 km (0.119 R)
• M3: 412,441 km (0.101 R)
• M4: 531,671 km (0.079 R)
• M5: 842,984 km (0.064 R)
• M6: 1,039,256 km (0.075 R)
• M7: 1,428,510 km (0.091 R)
• M8: 2,625,891 km (0.112 R)
• M9: 2,842,659 km (0.115 R)
• M10: 3,257,494 km (0.071 R)
• M11: 4,884,819 km (0.042 R)
• M12: 5,439,678 km (0.1 R)
• M13: 5,912,856 km (0.037 R)
• M14: 8,437,470 km (0.072 R)
• M15: 9,621,537 km (0.116 R)
• M16: 11,662,650 km (0.086 R)
• M17: 11,985,333 km (0.053 R)
• M18: 15,009,902 km (0.109 R)
• M19: 17,148,254 km (0.118 R)
• M20: 19,122,946 km (0.097 R)
• M21: 20,026,817 km (0.07 R)
• M22: 22,311,774 km (0.105 R)
• M23: 26,385,474 km (0.073 R)
• M24: 27,846,297 km (0.116 R)
• M25: 33,447,690 km (0.104 R)
• M26: 34,229,339 km (0.095 R)
• M27: 35,559,264 km (0.084 R)
• M28: 36,647,738 km (0.103 R)
• M29: 39,177,438 km (0.109 R)
• M30: 44,425,032 km (0.116 R)
• M31: 48,447,270 km (0.103 R)
• M32: 48,779,079 km (0.09 R)
• M33: 49,447,482 km (0.106 R)
• M34: 49,783,778 km (0.09 R)
• M35: 52,181,832 km (0.114 R)
• M36: 57,391,578 km (0.116 R)
• M37: 64,929,515 km (0.077 R)
• M38: 70,092,886 km (0.087 R)
• M39: 71,371,648 km (0.116 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: 444 - 16,959 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit