🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.59 AU - 0.73 AU

Year: 352 Days

Day: 39.2 Hours

Environment

Temp: -128 °C

Axial Tilt: 10.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 80,188,013 km

• M1: 275,410 km (0.105 R)

Asteroid Belt

Center: 1.09 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 620

Radius: 8.9

Gravity: 7.83 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.34 AU - 1.7 AU

Year: 1229 Days

Day: 8.9 Hours

Environment

Temp: -181 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,188,013 km

• M1: 113,246 km (0.045 R)
• M2: 493,224 km (0.113 R)
• M3: 945,758 km (0.095 R)
• M4: 2,040,964 km (0.091 R)
• M5: 2,662,244 km (0.104 R)
• M6: 3,242,833 km (0.07 R)
• M7: 3,743,687 km (0.079 R)
• M8: 4,071,904 km (0.087 R)
• M9: 4,365,715 km (0.1 R)
• M10: 4,655,336 km (0.084 R)
• M11: 5,518,965 km (0.081 R)
• M12: 6,143,985 km (0.099 R)
• M13: 6,602,053 km (0.062 R)
• M14: 7,281,377 km (0.049 R)
• M15: 8,141,116 km (0.111 R)
• M16: 9,782,953 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.4

Radius: 10.8

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.34 AU - 2 AU

Year: 1416 Days

Day: 5.7 Hours

Environment

Temp: -173 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,188,013 km

• M1: 134,339 km (0.097 R)
• M2: 799,301 km (0.099 R)
• M3: 1,241,962 km (0.081 R)
• M4: 1,847,085 km (0.07 R)
• M5: 2,443,831 km (0.101 R)
• M6: 3,237,298 km (0.107 R)
• M7: 3,615,332 km (0.092 R)
• M8: 4,589,363 km (0.114 R)
• M9: 5,048,479 km (0.11 R)
• M10: 5,794,823 km (0.073 R)
• M11: 6,471,604 km (0.078 R)
• M12: 7,025,565 km (0.057 R)
• M13: 8,036,996 km (0.101 R)
• M14: 8,563,581 km (0.08 R)
• M15: 10,639,550 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.3

Radius: 13.8

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.61 AU - 1.75 AU

Year: 1428 Days

Day: 14.6 Hours

Environment

Temp: -187 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 80,188,013 km

• M1: 171,589 km (0.043 R)
• M2: 791,373 km (0.112 R)
• M3: 1,450,950 km (0.117 R)
• M4: 1,990,549 km (0.095 R)
• M5: 2,781,324 km (0.092 R)
• M6: 3,228,472 km (0.114 R)
• M7: 3,773,157 km (0.114 R)
• M8: 5,069,423 km (0.099 R)
• M9: 6,193,950 km (0.103 R)
• M10: 7,322,068 km (0.065 R)
• M11: 8,212,624 km (0.117 R)
• M12: 9,573,217 km (0.096 R)
• M13: 10,373,116 km (0.083 R)
• M14: 11,182,590 km (0.07 R)
• M15: 12,253,262 km (0.097 R)
• M16: 12,775,808 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 257.7

Radius: 12.7

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 3.1 AU - 4.38 AU

Year: 4745 Days

Day: 14.7 Hours

Environment

Temp: -216 °C

Axial Tilt: 111.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,188,013 km

• M1: 159,471 km (0.104 R)
• M2: 1,100,592 km (0.116 R)
• M3: 1,608,476 km (0.105 R)
• M4: 2,368,882 km (0.069 R)
• M5: 3,807,266 km (0.084 R)
• M6: 6,301,810 km (0.032 R)
• M7: 7,081,066 km (0.077 R)
• M8: 7,794,498 km (0.041 R)
• M9: 9,113,502 km (0.034 R)
• M10: 11,593,087 km (0.114 R)
• M11: 13,915,444 km (0.107 R)
• M12: 16,426,295 km (0.113 R)
• M13: 19,641,303 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.5

Radius: 14.1

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.9 AU - 5.18 AU

Year: 7423 Days

Day: 8.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 53.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,188,013 km

• M1: 184,305 km (0.086 R)
• M2: 910,004 km (0.05 R)
• M3: 1,661,135 km (0.112 R)
• M4: 3,769,567 km (0.069 R)
• M5: 5,439,229 km (0.069 R)
• M6: 8,064,522 km (0.119 R)
• M7: 8,864,272 km (0.09 R)
• M8: 9,303,940 km (0.085 R)
• M9: 9,969,501 km (0.097 R)
• M10: 11,583,962 km (0.09 R)
• M11: 14,652,663 km (0.092 R)
• M12: 15,382,999 km (0.115 R)
• M13: 16,196,513 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 272.5

Radius: 14.8

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 4.91 AU - 6.85 AU

Year: 9354 Days

Day: 12.6 Hours

Environment

Temp: -217 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,188,013 km

• M1: 184,454 km (0.051 R)
• M2: 1,126,173 km (0.064 R)
• M3: 1,609,523 km (0.096 R)
• M4: 2,173,208 km (0.095 R)
• M5: 3,469,324 km (0.119 R)
• M6: 6,525,758 km (0.039 R)
• M7: 7,106,048 km (0.054 R)
• M8: 7,609,595 km (0.112 R)
• M9: 8,253,315 km (0.115 R)
• M10: 10,224,266 km (0.102 R)
• M11: 12,389,696 km (0.073 R)
• M12: 14,330,578 km (0.112 R)
• M13: 16,591,601 km (0.076 R)
• M14: 19,496,342 km (0.079 R)
• M15: 21,736,571 km (0.114 R)
• M16: 22,648,220 km (0.116 R)
• M17: 29,390,297 km (0.115 R)
• M18: 33,315,745 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.1

Radius: 7.7

Gravity: 1.52 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.13 AU - 9.31 AU

Year: 15460 Days

Day: 15.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,188,013 km

• M1: 96,341 km (0.053 R)
• M2: 721,361 km (0.094 R)
• M3: 1,501,065 km (0.091 R)
• M4: 1,837,062 km (0.061 R)
• M5: 2,175,602 km (0.093 R)
• M6: 4,718,018 km (0.096 R)
• M7: 5,651,209 km (0.041 R)
• M8: 6,273,836 km (0.04 R)
• M9: 7,010,306 km (0.091 R)
• M10: 7,654,923 km (0.104 R)
• M11: 10,817,871 km (0.109 R)
• M12: 11,194,558 km (0.095 R)
• M13: 17,623,228 km (0.083 R)
• M14: 20,765,830 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 688

Radius: 5.4

Gravity: 23.59 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 9 AU - 11.54 AU

Year: 21591 Days

Day: 21.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 145.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 80,188,013 km

• M1: 67,469 km (0.119 R)
• M2: 321,635 km (0.102 R)
• M3: 526,734 km (0.055 R)
• M4: 819,796 km (0.071 R)
• M5: 1,304,045 km (0.051 R)
• M6: 2,252,196 km (0.044 R)
• M7: 2,894,420 km (0.12 R)
• M8: 4,856,545 km (0.114 R)
• M9: 5,194,936 km (0.106 R)
• M10: 7,968,031 km (0.094 R)
• M11: 8,599,783 km (0.07 R)
• M12: 8,872,650 km (0.073 R)
• M13: 9,551,076 km (0.119 R)
• M14: 9,903,080 km (0.113 R)
• M15: 12,965,797 km (0.106 R)
• M16: 13,838,252 km (0.113 R)
• M17: 19,910,878 km (0.088 R)
• M18: 21,466,696 km (0.073 R)
• M19: 29,972,083 km (0.081 R)
• M20: 45,548,812 km (0.066 R)
• M21: 52,283,109 km (0.115 R)
• M22: 52,463,973 km (0.108 R)
• M23: 55,791,778 km (0.085 R)
• M24: 63,273,616 km (0.105 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 331 - 18,386 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit