🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.76 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.95

Radius: 0.98

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.45 AU - 1.57 AU

Year: 703 Days

Day: 41.4 Hours

Environment

Temp: -43 °C

Axial Tilt: 6.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.94

Radius: 1.89

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.4 AU - 1.82 AU

Year: 774 Days

Day: 27.9 Hours

Environment

Temp: -48 °C

Axial Tilt: 44.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.35 AU - 1.91 AU

Year: 788 Days

Day: 23.9 Hours

Environment

Temp: -54 °C

Axial Tilt: 34.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 1.95 AU - 2.29 AU

Year: 1169 Days

Day: 25.3 Hours

Environment

Temp: -82 °C

Axial Tilt: 0.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 104,639,864 km

• M1: 1,178,233 km (0.069 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.32

Radius: 1.8

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 3.58 AU - 3.98 AU

Year: 2783 Days

Day: 12.3 Hours

Environment

Temp: -120 °C

Axial Tilt: 13.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 18.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 797.5

Radius: 7.5

Gravity: 14.18 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 16.54 AU - 20.26 AU

Year: 29893 Days

Day: 18.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 104,639,864 km

• M1: 119,678 km (0.027 R)
• M2: 266,434 km (0.096 R)
• M3: 388,954 km (0.11 R)
• M4: 557,102 km (0.111 R)
• M5: 837,299 km (0.086 R)
• M6: 1,158,486 km (0.108 R)
• M7: 1,478,775 km (0.114 R)
• M8: 1,785,899 km (0.073 R)
• M9: 2,113,070 km (0.075 R)
• M10: 3,154,570 km (0.079 R)
• M11: 3,701,351 km (0.052 R)
• M12: 3,959,556 km (0.087 R)
• M13: 4,223,746 km (0.111 R)
• M14: 4,824,980 km (0.083 R)
• M15: 5,628,470 km (0.103 R)
• M16: 7,356,625 km (0.098 R)
• M17: 8,683,408 km (0.12 R)
• M18: 10,588,537 km (0.083 R)
• M19: 11,028,804 km (0.094 R)
• M20: 11,851,592 km (0.04 R)
• M21: 13,873,557 km (0.058 R)
• M22: 14,033,477 km (0.066 R)
• M23: 15,334,829 km (0.072 R)
• M24: 16,759,300 km (0.115 R)
• M25: 17,790,029 km (0.114 R)
• M26: 19,912,225 km (0.094 R)
• M27: 21,003,092 km (0.12 R)
• M28: 24,583,119 km (0.045 R)
• M29: 24,970,727 km (0.064 R)
• M30: 25,458,266 km (0.095 R)
• M31: 26,839,803 km (0.112 R)
• M32: 29,059,536 km (0.112 R)
• M33: 29,675,131 km (0.114 R)
• M34: 30,191,393 km (0.096 R)
• M35: 31,023,606 km (0.094 R)
• M36: 31,232,744 km (0.041 R)
• M37: 31,337,612 km (0.09 R)
• M38: 31,442,480 km (0.088 R)
• M39: 31,757,982 km (0.03 R)
• M40: 32,074,382 km (0.109 R)
• M41: 32,285,913 km (0.068 R)
• M42: 33,995,069 km (0.084 R)
• M43: 38,957,081 km (0.025 R)
• M44: 39,409,016 km (0.084 R)
• M45: 39,522,261 km (0.102 R)
• M46: 39,749,052 km (0.088 R)
• M47: 40,889,736 km (0.085 R)
• M48: 43,202,967 km (0.119 R)
• M49: 47,231,788 km (0.108 R)
• M50: 48,682,139 km (0.094 R)
• M51: 50,515,611 km (0.113 R)
• M52: 55,133,697 km (0.1 R)
• M53: 56,149,766 km (0.068 R)
• M54: 57,171,968 km (0.091 R)
• M55: 61,060,017 km (0.095 R)
• M56: 63,566,230 km (0.082 R)
• M57: 63,831,915 km (0.112 R)
• M58: 64,631,516 km (0.113 R)
• M59: 66,105,803 km (0.068 R)
• M60: 66,240,441 km (0.1 R)
• M61: 70,732,566 km (0.119 R)
• M62: 71,007,826 km (0.093 R)
• M63: 71,145,755 km (0.108 R)
• M64: 71,559,693 km (0.065 R)
• M65: 72,113,055 km (0.116 R)
• M66: 74,620,315 km (0.042 R)
• M67: 75,040,985 km (0.095 R)
• M68: 75,884,717 km (0.106 R)
• M69: 76,166,709 km (0.09 R)
• M70: 78,149,928 km (0.066 R)
• M71: 80,580,893 km (0.096 R)
• M72: 82,456,551 km (0.045 R)
• M73: 83,617,879 km (0.045 R)
• M74: 86,986,973 km (0.076 R)
• M75: 87,429,633 km (0.087 R)
• M76: 88,317,347 km (0.091 R)
• M77: 88,613,850 km (0.092 R)
• M78: 89,952,452 km (0.045 R)
• M79: 90,250,899 km (0.107 R)
• M80: 91,597,579 km (0.117 R)
• M81: 92,800,197 km (0.114 R)
• M82: 93,856,806 km (0.11 R)
• M83: 94,765,763 km (0.106 R)
• M84: 94,917,455 km (0.077 R)
• M85: 95,982,143 km (0.069 R)
• M86: 96,134,434 km (0.069 R)
• M87: 96,897,682 km (0.088 R)
• M88: 97,203,610 km (0.093 R)
• M89: 98,583,950 km (0.1 R)
• M90: 100,125,256 km (0.074 R)
• M91: 103,387,836 km (0.076 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 13,317 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit