🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.85 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.36

Radius: 1.62

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.78 AU - 0.92 AU

Year: 289 Days

Day: 36.7 Hours

Environment

Temp: 148 °C

Axial Tilt: 127.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.61

Radius: 1.21

Gravity: 1.1 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1 AU - 1.51 AU

Year: 516 Days

Day: 27.8 Hours

Environment

Temp: 9 °C

Axial Tilt: 45.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 1.57 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.71

Radius: 1.69

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.78 AU - 2 AU

Year: 959 Days

Day: 43.8 Hours

Environment

Temp: -66 °C

Axial Tilt: 14.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 5.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.3

Radius: 14.6

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.84 AU - 5.38 AU

Year: 4262 Days

Day: 7.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 76,379,558 km

• M1: 183,856 km (0.084 R)
• M2: 665,112 km (0.114 R)
• M3: 2,515,937 km (0.104 R)
• M4: 3,329,450 km (0.118 R)
• M5: 6,199,485 km (0.062 R)
• M6: 10,555,626 km (0.114 R)
• M7: 11,059,471 km (0.106 R)
• M8: 14,175,296 km (0.07 R)
• M9: 14,686,023 km (0.09 R)
• M10: 16,627,055 km (0.063 R)
• M11: 18,612,518 km (0.098 R)
• M12: 21,013,714 km (0.03 R)
• M13: 22,563,697 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.1

Radius: 12.5

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.3 AU - 6.54 AU

Year: 5314 Days

Day: 5.6 Hours

Environment

Temp: -152 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,379,558 km

• M1: 155,432 km (0.092 R)
• M2: 707,000 km (0.11 R)
• M3: 1,497,774 km (0.114 R)
• M4: 2,585,051 km (0.099 R)
• M5: 3,247,770 km (0.103 R)
• M6: 5,934,996 km (0.099 R)
• M7: 7,269,110 km (0.093 R)
• M8: 7,743,335 km (0.036 R)
• M9: 8,999,060 km (0.057 R)
• M10: 9,418,084 km (0.09 R)
• M11: 11,911,282 km (0.104 R)
• M12: 14,189,358 km (0.106 R)
• M13: 18,363,139 km (0.099 R)
• M14: 18,834,522 km (0.095 R)
• M15: 19,801,672 km (0.096 R)
• M16: 20,729,179 km (0.093 R)
• M17: 21,462,059 km (0.073 R)
• M18: 22,979,879 km (0.057 R)
• M19: 25,722,456 km (0.099 R)
• M20: 27,172,508 km (0.118 R)
• M21: 31,177,991 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 15.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333

Radius: 4.8

Gravity: 14.45 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 12.52 AU - 18.42 AU

Year: 22450 Days

Day: 22.3 Hours

Environment

Temp: -193 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 76,379,558 km

• M1: 73,602 km (0.037 R)
• M2: 295,456 km (0.102 R)
• M3: 814,860 km (0.08 R)
• M4: 1,261,110 km (0.109 R)
• M5: 1,768,097 km (0.104 R)
• M6: 2,155,406 km (0.109 R)
• M7: 9,032,869 km (0.102 R)
• M8: 13,865,479 km (0.047 R)
• M9: 14,214,640 km (0.053 R)
• M10: 23,068,590 km (0.108 R)
• M11: 30,111,059 km (0.108 R)
• M12: 32,990,220 km (0.109 R)
• M13: 35,395,754 km (0.056 R)
• M14: 39,567,440 km (0.094 R)
• M15: 49,841,074 km (0.095 R)
• M16: 50,495,265 km (0.063 R)
• M17: 54,024,578 km (0.103 R)
• M18: 54,714,972 km (0.111 R)
• M19: 54,888,506 km (0.118 R)
• M20: 58,799,144 km (0.101 R)
• M21: 61,382,101 km (0.08 R)

Planet 7 - Ice Giant

Semi-Major Axis: 17.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 361

Radius: 6.1

Gravity: 9.7 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 15.15 AU - 20.45 AU

Year: 27708 Days

Day: 21.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 76,379,558 km

• M1: 87,814 km (0.08 R)
• M2: 313,258 km (0.116 R)
• M3: 513,420 km (0.06 R)
• M4: 802,892 km (0.106 R)
• M5: 1,004,251 km (0.075 R)
• M6: 1,611,319 km (0.033 R)
• M7: 1,860,848 km (0.106 R)
• M8: 2,393,267 km (0.111 R)
• M9: 3,209,174 km (0.05 R)
• M10: 3,432,224 km (0.073 R)
• M11: 4,886,465 km (0.105 R)
• M12: 6,016,378 km (0.099 R)
• M13: 7,358,570 km (0.111 R)
• M14: 7,649,238 km (0.113 R)
• M15: 7,897,272 km (0.101 R)
• M16: 10,620,102 km (0.067 R)
• M17: 12,024,378 km (0.097 R)
• M18: 13,620,138 km (0.094 R)
• M19: 13,838,102 km (0.066 R)
• M20: 16,068,008 km (0.036 R)
• M21: 18,261,113 km (0.067 R)
• M22: 23,542,815 km (0.093 R)
• M23: 25,470,683 km (0.054 R)
• M24: 43,390,713 km (0.071 R)
• M25: 44,818,475 km (0.106 R)
• M26: 48,948,722 km (0.118 R)
• M27: 56,259,421 km (0.11 R)
• M28: 58,146,748 km (0.106 R)
• M29: 58,913,287 km (0.106 R)
• M30: 63,452,535 km (0.049 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 294 - 18,681 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit