🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.47 AU - 0.71 AU

Year: 297 Days

Day: 13.9 Hours

Environment

Temp: -132 °C

Axial Tilt: 31.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 34,243,968 km

• M1: 75,397 km (0.091 R)
• M2: 157,676 km (0.111 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.79

Radius: 1.7

Gravity: 1.31 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.48 AU - 0.76 AU

Year: 320 Days

Day: 13.9 Hours

Environment

Temp: -128 °C

Axial Tilt: 7.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.75

Radius: 1.86

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 0.53 AU - 0.73 AU

Year: 328 Days

Day: 15 Hours

Environment

Temp: -128 °C

Axial Tilt: 25.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.51

Radius: 0.76

Gravity: 0.88 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.56 AU - 0.72 AU

Year: 336 Days

Day: 12.3 Hours

Environment

Temp: -125 °C

Axial Tilt: 25.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 70.1

Radius: 12.3

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.86 AU - 0.88 AU

Year: 532 Days

Day: 7.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 19.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 34,243,968 km

• M1: 223,948 km (0.088 R)
• M2: 307,723 km (0.078 R)
• M3: 417,079 km (0.093 R)
• M4: 548,725 km (0.091 R)
• M5: 631,901 km (0.034 R)
• M6: 715,078 km (0.068 R)
• M7: 794,365 km (0.112 R)
• M8: 934,239 km (0.109 R)
• M9: 1,022,352 km (0.115 R)
• M10: 1,129,165 km (0.097 R)
• M11: 1,217,427 km (0.035 R)
• M12: 1,301,651 km (0.062 R)
• M13: 1,408,314 km (0.112 R)
• M14: 1,552,975 km (0.109 R)
• M15: 1,652,159 km (0.089 R)
• M16: 1,753,736 km (0.109 R)
• M17: 1,925,325 km (0.07 R)
• M18: 2,055,774 km (0.054 R)
• M19: 2,177,397 km (0.118 R)
• M20: 2,261,321 km (0.076 R)
• M21: 2,399,400 km (0.045 R)
• M22: 2,502,772 km (0.106 R)
• M23: 2,688,423 km (0.082 R)
• M24: 2,787,308 km (0.083 R)
• M25: 3,100,565 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.8

Radius: 3

Gravity: 15.53 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 7.18 AU - 7.74 AU

Year: 13366 Days

Day: 16.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 34,243,968 km

• M1: 38,447 km (0.082 R)
• M2: 71,508 km (0.09 R)
• M3: 113,096 km (0.113 R)
• M4: 156,629 km (0.094 R)
• M5: 215,122 km (0.101 R)
• M6: 251,773 km (0.029 R)
• M7: 466,596 km (0.065 R)
• M8: 753,973 km (0.041 R)
• M9: 796,908 km (0.111 R)
• M10: 825,930 km (0.102 R)
• M11: 930,200 km (0.086 R)
• M12: 1,038,957 km (0.057 R)
• M13: 1,184,516 km (0.049 R)
• M14: 1,494,932 km (0.051 R)
• M15: 1,603,839 km (0.086 R)
• M16: 2,064,451 km (0.111 R)
• M17: 2,165,280 km (0.096 R)
• M18: 4,236,462 km (0.066 R)
• M19: 4,442,010 km (0.095 R)
• M20: 4,493,920 km (0.079 R)
• M21: 4,519,950 km (0.089 R)
• M22: 4,889,756 km (0.083 R)
• M23: 5,462,417 km (0.046 R)
• M24: 5,770,887 km (0.108 R)
• M25: 5,884,432 km (0.101 R)
• M26: 5,941,429 km (0.096 R)
• M27: 6,316,620 km (0.079 R)
• M28: 7,089,892 km (0.105 R)
• M29: 7,242,033 km (0.082 R)
• M30: 7,611,390 km (0.071 R)
• M31: 7,673,623 km (0.106 R)
• M32: 8,177,020 km (0.12 R)
• M33: 8,240,599 km (0.114 R)
• M34: 9,215,378 km (0.09 R)
• M35: 9,314,861 km (0.119 R)
• M36: 9,648,913 km (0.089 R)
• M37: 9,716,232 km (0.065 R)
• M38: 10,157,396 km (0.088 R)
• M39: 10,328,835 km (0.101 R)
• M40: 10,397,650 km (0.09 R)
• M41: 10,570,436 km (0.102 R)
• M42: 10,674,556 km (0.095 R)
• M43: 10,709,412 km (0.072 R)
• M44: 11,164,938 km (0.039 R)
• M45: 11,698,404 km (0.093 R)
• M46: 11,770,211 km (0.093 R)
• M47: 11,914,124 km (0.069 R)
• M48: 13,385,569 km (0.102 R)
• M49: 13,800,104 km (0.028 R)
• M50: 14,796,576 km (0.077 R)
• M51: 15,225,174 km (0.095 R)
• M52: 15,499,985 km (0.084 R)
• M53: 16,054,544 km (0.099 R)
• M54: 16,094,337 km (0.079 R)
• M55: 16,898,426 km (0.088 R)
• M56: 17,551,121 km (0.071 R)
• M57: 17,756,818 km (0.073 R)
• M58: 18,212,045 km (0.098 R)
• M59: 18,253,483 km (0.117 R)
• M60: 19,643,098 km (0.109 R)
• M61: 19,685,733 km (0.079 R)
• M62: 20,285,920 km (0.111 R)
• M63: 20,935,474 km (0.098 R)
• M64: 21,504,096 km (0.082 R)
• M65: 21,768,136 km (0.097 R)
• M66: 22,433,098 km (0.082 R)
• M67: 22,745,758 km (0.078 R)
• M68: 22,924,976 km (0.057 R)
• M69: 23,783,069 km (0.09 R)
• M70: 25,112,695 km (0.087 R)
• M71: 25,251,522 km (0.102 R)
• M72: 25,903,171 km (0.067 R)
• M73: 25,996,819 km (0.1 R)
• M74: 26,654,750 km (0.112 R)
• M75: 26,796,419 km (0.065 R)
• M76: 27,651,970 km (0.053 R)
• M77: 28,227,173 km (0.073 R)
• M78: 29,340,930 km (0.069 R)
• M79: 29,389,549 km (0.04 R)
• M80: 29,633,693 km (0.109 R)
• M81: 29,927,652 km (0.106 R)
• M82: 30,074,857 km (0.096 R)
• M83: 31,013,284 km (0.089 R)
• M84: 31,162,284 km (0.087 R)
• M85: 31,860,906 km (0.051 R)
• M86: 32,514,349 km (0.102 R)
• M87: 32,615,328 km (0.043 R)
• M88: 33,477,161 km (0.086 R)
• M89: 33,579,037 km (0.05 R)
• M90: 33,885,414 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: 536 - 18,802 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit