🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.09 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.39

Radius: 1.81

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.91 AU - 1.27 AU

Year: 426 Days

Day: 12.7 Hours

Environment

Temp: 13 °C

Axial Tilt: 60 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 69,006,287 km

• M1: 940,671 km (0.087 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.82

Radius: 0.92

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 0.97 AU - 1.31 AU

Year: 456 Days

Day: 13.2 Hours

Environment

Temp: -13 °C

Axial Tilt: 21.8 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 69,006,287 km

• M1: 148,551 km (0.069 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 2.19 AU - 2.85 AU

Year: 1499 Days

Day: 24.4 Hours

Environment

Temp: -85 °C

Axial Tilt: 22.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 69,006,287 km

• M1: 27,825 km (0.096 R)

Planet 4 - Terrestrial

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.23 AU - 3.51 AU

Year: 2318 Days

Day: 45.1 Hours

Environment

Temp: -123 °C

Axial Tilt: 23.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 69,006,287 km

• M1: 304,731 km (0.108 R)
• M2: 605,123 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.5

Radius: 11.8

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 6.63 AU - 7.41 AU

Year: 6970 Days

Day: 8.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 10.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,006,287 km

• M1: 147,204 km (0.1 R)
• M2: 519,105 km (0.099 R)
• M3: 1,095,206 km (0.097 R)
• M4: 1,690,456 km (0.113 R)
• M5: 2,222,576 km (0.097 R)
• M6: 2,749,459 km (0.116 R)
• M7: 4,388,005 km (0.092 R)
• M8: 5,997,079 km (0.109 R)
• M9: 6,635,414 km (0.046 R)
• M10: 8,533,212 km (0.068 R)
• M11: 9,696,784 km (0.118 R)
• M12: 10,153,656 km (0.11 R)
• M13: 10,577,018 km (0.081 R)
• M14: 11,259,185 km (0.073 R)
• M15: 12,603,770 km (0.113 R)
• M16: 13,314,958 km (0.075 R)
• M17: 15,733,956 km (0.1 R)
• M18: 17,951,445 km (0.092 R)
• M19: 21,426,005 km (0.081 R)
• M20: 22,917,347 km (0.106 R)
• M21: 24,729,426 km (0.074 R)
• M22: 25,497,611 km (0.118 R)
• M23: 28,173,318 km (0.112 R)
• M24: 29,294,255 km (0.061 R)
• M25: 30,639,439 km (0.08 R)
• M26: 31,327,141 km (0.091 R)
• M27: 33,245,883 km (0.072 R)
• M28: 34,815,164 km (0.091 R)
• M29: 35,996,988 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 904.1

Radius: 11.8

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 9.54 AU - 13.9 AU

Year: 15036 Days

Day: 8 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,006,287 km

• M1: 146,905 km (0.108 R)
• M2: 784,491 km (0.119 R)
• M3: 1,171,800 km (0.087 R)
• M4: 2,139,100 km (0.058 R)
• M5: 3,634,630 km (0.062 R)
• M6: 4,721,159 km (0.119 R)
• M7: 5,175,937 km (0.082 R)
• M8: 5,814,720 km (0.109 R)
• M9: 6,633,020 km (0.097 R)
• M10: 7,620,216 km (0.079 R)
• M11: 12,304,425 km (0.05 R)
• M12: 13,582,140 km (0.103 R)
• M13: 14,145,675 km (0.097 R)
• M14: 15,623,254 km (0.115 R)
• M15: 18,624,187 km (0.115 R)
• M16: 19,232,452 km (0.105 R)
• M17: 20,672,182 km (0.099 R)
• M18: 21,230,331 km (0.077 R)
• M19: 29,781,795 km (0.076 R)
• M20: 32,824,166 km (0.1 R)
• M21: 34,355,749 km (0.113 R)
• M22: 41,693,226 km (0.098 R)
• M23: 43,034,969 km (0.112 R)
• M24: 44,098,161 km (0.104 R)
• M25: 53,941,851 km (0.119 R)
• M26: 61,642,251 km (0.078 R)
• M27: 64,560,756 km (0.119 R)
• M28: 67,570,366 km (0.118 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: 384 - 15,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit