🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.76 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.75

Radius: 0.89

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 0.71 AU - 0.81 AU

Year: 232 Days

Day: 17.1 Hours

Environment

Temp: 142 °C

Axial Tilt: 8.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 74,249,201 km

• M1: 26,180 km (0.112 R)
• M2: 239,357 km (0.116 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.44 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.24

Radius: 1.78

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.29 AU - 1.59 AU

Year: 605 Days

Day: 17.8 Hours

Environment

Temp: 12 °C

Axial Tilt: 32.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 3 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.86

Radius: 1.28

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 2.2 AU - 2.84 AU

Year: 1400 Days

Day: 45.6 Hours

Environment

Temp: -77 °C

Axial Tilt: 4.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.68

Radius: 1.48

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 2.43 AU - 3.53 AU

Year: 1800 Days

Day: 42.3 Hours

Environment

Temp: -100 °C

Axial Tilt: 27.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 74,249,201 km

• M1: 49,517 km (0.06 R)
• M2: 692,189 km (0.12 R)

Planet 5 - Terrestrial

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.35

Radius: 0.66

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 3.91 AU - 4.67 AU

Year: 3109 Days

Day: 37 Hours

Environment

Temp: -115 °C

Axial Tilt: 25.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 133.7

Radius: 9.5

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 5.43 AU - 6.31 AU

Year: 4975 Days

Day: 13.2 Hours

Environment

Temp: -131 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,249,201 km

• M1: 120,127 km (0.102 R)
• M2: 474,824 km (0.118 R)
• M3: 781,798 km (0.084 R)
• M4: 1,535,622 km (0.087 R)
• M5: 2,195,947 km (0.073 R)
• M6: 2,879,011 km (0.106 R)
• M7: 3,807,715 km (0.059 R)
• M8: 4,537,154 km (0.11 R)
• M9: 7,059,673 km (0.093 R)
• M10: 7,700,102 km (0.042 R)
• M11: 8,474,271 km (0.091 R)
• M12: 8,863,823 km (0.047 R)
• M13: 10,140,940 km (0.036 R)
• M14: 12,717,016 km (0.101 R)
• M15: 13,314,809 km (0.075 R)
• M16: 13,708,999 km (0.059 R)
• M17: 15,459,594 km (0.1 R)
• M18: 17,199,566 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.3

Radius: 14.7

Gravity: 1.74 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 8.09 AU - 13.41 AU

Year: 12331 Days

Day: 5.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,249,201 km

• M1: 182,809 km (0.086 R)
• M2: 688,150 km (0.103 R)
• M3: 1,813,276 km (0.087 R)
• M4: 3,466,332 km (0.108 R)
• M5: 7,662,852 km (0.087 R)
• M6: 8,378,079 km (0.086 R)
• M7: 9,797,015 km (0.096 R)
• M8: 11,424,490 km (0.113 R)
• M9: 13,523,797 km (0.069 R)
• M10: 16,003,531 km (0.113 R)
• M11: 18,623,589 km (0.062 R)
• M12: 23,461,584 km (0.061 R)
• M13: 24,790,611 km (0.083 R)
• M14: 28,184,538 km (0.083 R)
• M15: 35,650,070 km (0.045 R)
• M16: 40,961,991 km (0.108 R)
• M17: 42,110,005 km (0.07 R)
• M18: 43,279,412 km (0.098 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 604.2

Radius: 4

Gravity: 37.76 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 11.48 AU - 18.72 AU

Year: 20528 Days

Day: 18 Hours

Environment

Temp: -182 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 74,249,201 km

• M1: 54,454 km (0.048 R)
• M2: 236,365 km (0.105 R)
• M3: 461,210 km (0.088 R)
• M4: 727,195 km (0.104 R)
• M5: 1,678,638 km (0.118 R)
• M6: 2,113,818 km (0.119 R)
• M7: 2,413,313 km (0.103 R)
• M8: 3,176,860 km (0.116 R)
• M9: 5,314,764 km (0.069 R)
• M10: 6,241,971 km (0.098 R)
• M11: 6,544,308 km (0.109 R)
• M12: 6,676,852 km (0.091 R)
• M13: 7,558,283 km (0.119 R)
• M14: 8,779,301 km (0.086 R)
• M15: 9,049,175 km (0.092 R)
• M16: 11,221,935 km (0.109 R)
• M17: 11,604,157 km (0.113 R)
• M18: 16,974,571 km (0.067 R)
• M19: 17,733,481 km (0.091 R)
• M20: 18,780,367 km (0.093 R)
• M21: 19,318,919 km (0.076 R)
• M22: 23,277,578 km (0.063 R)
• M23: 24,319,079 km (0.086 R)
• M24: 25,938,924 km (0.11 R)
• M25: 27,285,455 km (0.114 R)
• M26: 31,227,658 km (0.118 R)
• M27: 32,109,986 km (0.114 R)
• M28: 33,924,309 km (0.027 R)
• M29: 36,911,479 km (0.077 R)
• M30: 39,922,137 km (0.075 R)
• M31: 45,617,477 km (0.087 R)
• M32: 48,910,276 km (0.094 R)
• M33: 58,965,796 km (0.107 R)
• M34: 67,979,217 km (0.088 R)
• M35: 71,392,891 km (0.109 R)
• M36: 71,827,473 km (0.119 R)

Kuiper Belt

Range: 31.4 - 56.4 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 540 - 12,015 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit