🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.74 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.77

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.031

Orbit Range: 1.42 AU - 1.52 AU

Year: 645 Days

Day: 12.1 Hours

Environment

Temp: -26 °C

Axial Tilt: 14.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,544,904 km

• M1: 162,164 km (0.069 R)
• M2: 1,085,781 km (0.119 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.18

Radius: 1.07

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.5 AU - 1.52 AU

Year: 671 Days

Day: 32.4 Hours

Environment

Temp: -25 °C

Axial Tilt: 3.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,544,904 km

• M1: 463,005 km (0.063 R)
• M2: 510,278 km (0.082 R)

Planet 3 - Terrestrial

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.95

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.86 AU - 3.08 AU

Year: 1404 Days

Day: 36.7 Hours

Environment

Temp: -75 °C

Axial Tilt: 23 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.94

Radius: 0.98

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 3.34 AU - 4.68 AU

Year: 2904 Days

Day: 15.5 Hours

Environment

Temp: -127 °C

Axial Tilt: 33.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 43,544,904 km

• M1: 945,758 km (0.115 R)
• M2: 1,138,440 km (0.095 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.9

Radius: 6.5

Gravity: 4.61 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 11.82 AU - 13.44 AU

Year: 16233 Days

Day: 20.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (90)

Outer Limit: 43,544,904 km

• M1: 131,048 km (0.117 R)
• M2: 242,498 km (0.115 R)
• M3: 295,456 km (0.097 R)
• M4: 390,151 km (0.04 R)
• M5: 688,001 km (0.039 R)
• M6: 868,565 km (0.106 R)
• M7: 1,353,562 km (0.108 R)
• M8: 1,496,727 km (0.106 R)
• M9: 1,688,212 km (0.079 R)
• M10: 2,189,066 km (0.082 R)
• M11: 2,784,615 km (0.064 R)
• M12: 2,941,094 km (0.04 R)
• M13: 3,020,531 km (0.116 R)
• M14: 3,455,561 km (0.087 R)
• M15: 4,115,138 km (0.099 R)
• M16: 4,843,829 km (0.116 R)
• M17: 5,000,758 km (0.083 R)
• M18: 5,095,603 km (0.078 R)
• M19: 5,513,878 km (0.093 R)
• M20: 5,611,865 km (0.114 R)
• M21: 5,776,722 km (0.063 R)
• M22: 5,943,075 km (0.113 R)
• M23: 6,280,567 km (0.057 R)
• M24: 7,691,874 km (0.082 R)
• M25: 9,351,961 km (0.116 R)
• M26: 9,469,096 km (0.059 R)
• M27: 10,061,953 km (0.053 R)
• M28: 10,870,978 km (0.118 R)
• M29: 11,076,526 km (0.084 R)
• M30: 11,200,393 km (0.061 R)
• M31: 11,449,623 km (0.114 R)
• M32: 11,533,098 km (0.113 R)
• M33: 12,336,439 km (0.046 R)
• M34: 14,444,722 km (0.114 R)
• M35: 15,678,754 km (0.045 R)
• M36: 15,818,030 km (0.111 R)
• M37: 16,097,628 km (0.094 R)
• M38: 16,144,303 km (0.097 R)
• M39: 16,709,035 km (0.038 R)
• M40: 17,136,885 km (0.035 R)
• M41: 18,148,914 km (0.111 R)
• M42: 18,539,664 km (0.111 R)
• M43: 20,230,569 km (0.059 R)
• M44: 20,331,697 km (0.07 R)
• M45: 20,382,261 km (0.084 R)
• M46: 20,483,389 km (0.107 R)
• M47: 21,094,497 km (0.079 R)
• M48: 21,608,216 km (0.045 R)
• M49: 21,866,721 km (0.106 R)
• M50: 22,126,123 km (0.088 R)
• M51: 22,910,615 km (0.115 R)
• M52: 23,015,932 km (0.109 R)
• M53: 23,332,780 km (0.12 R)
• M54: 23,704,231 km (0.113 R)
• M55: 23,864,002 km (0.078 R)
• M56: 23,917,408 km (0.068 R)
• M57: 23,970,665 km (0.093 R)
• M58: 24,614,385 km (0.062 R)
• M59: 24,668,390 km (0.118 R)
• M60: 25,263,789 km (0.038 R)
• M61: 25,809,373 km (0.114 R)
• M62: 27,357,262 km (0.05 R)
• M63: 28,255,148 km (0.095 R)
• M64: 28,424,643 km (0.117 R)
• M65: 29,219,755 km (0.072 R)
• M66: 29,734,821 km (0.077 R)
• M67: 31,414,805 km (0.108 R)
• M68: 31,942,287 km (0.105 R)
• M69: 32,060,020 km (0.078 R)
• M70: 32,295,637 km (0.041 R)
• M71: 32,413,819 km (0.096 R)
• M72: 33,065,767 km (0.104 R)
• M73: 33,303,927 km (0.12 R)
• M74: 33,662,214 km (0.09 R)
• M75: 34,623,978 km (0.089 R)
• M76: 35,108,227 km (0.12 R)
• M77: 35,899,899 km (0.085 R)
• M78: 36,083,455 km (0.098 R)
• M79: 36,205,976 km (0.101 R)
• M80: 36,451,316 km (0.112 R)
• M81: 37,067,510 km (0.086 R)
• M82: 37,376,878 km (0.079 R)
• M83: 37,749,078 km (0.108 R)
• M84: 38,497,516 km (0.118 R)
• M85: 38,810,774 km (0.11 R)
• M86: 41,411,234 km (0.111 R)
• M87: 41,603,766 km (0.109 R)
• M88: 41,925,252 km (0.111 R)
• M89: 42,247,486 km (0.101 R)
• M90: 42,441,365 km (0.046 R)

Kuiper Belt

Range: 30.3 - 57.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 375 - 17,730 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit