🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.37

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 0.68 AU - 1.12 AU

Year: 300 Days

Day: 32.7 Hours

Environment

Temp: 99 °C

Axial Tilt: 36.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.15 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.03

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.11 AU - 1.19 AU

Year: 433 Days

Day: 42.4 Hours

Environment

Temp: 39 °C

Axial Tilt: 36 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 72,902,282 km

• M1: 371,751 km (0.092 R)
• M2: 409,300 km (0.092 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.94

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.99 AU - 1.49 AU

Year: 485 Days

Day: 25.1 Hours

Environment

Temp: 11 °C

Axial Tilt: 45.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 72,902,282 km

• M1: 101,128 km (0.09 R)

Planet 4 - Terrestrial

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 4.3 AU - 6.28 AU

Year: 4276 Days

Day: 37.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 72,902,282 km

• M1: 260,599 km (0.052 R)
• M2: 3,631,638 km (0.088 R)

Planet 5 - Terrestrial

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.15

Radius: 0.47

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 5.22 AU - 5.44 AU

Year: 4325 Days

Day: 16.6 Hours

Environment

Temp: -137 °C

Axial Tilt: 38.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Ice Giant

Semi-Major Axis: 14.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 626.9

Radius: 3.6

Gravity: 48.37 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 12.47 AU - 16.73 AU

Year: 19607 Days

Day: 23.5 Hours

Environment

Temp: -179 °C

Axial Tilt: 39 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 72,902,282 km

• M1: 128,804 km (0.112 R)
• M2: 542,442 km (0.099 R)
• M3: 859,290 km (0.057 R)
• M4: 1,601,445 km (0.096 R)
• M5: 1,818,512 km (0.101 R)
• M6: 2,383,393 km (0.102 R)
• M7: 2,702,785 km (0.063 R)
• M8: 2,739,137 km (0.045 R)
• M9: 2,923,292 km (0.117 R)
• M10: 3,111,337 km (0.09 R)
• M11: 3,420,406 km (0.057 R)
• M12: 3,658,715 km (0.1 R)
• M13: 3,739,199 km (0.095 R)
• M14: 3,779,740 km (0.041 R)
• M15: 4,490,778 km (0.086 R)
• M16: 5,795,272 km (0.117 R)
• M17: 6,757,785 km (0.101 R)
• M18: 7,358,719 km (0.105 R)
• M19: 8,238,953 km (0.106 R)
• M20: 8,557,597 km (0.104 R)
• M21: 8,934,284 km (0.028 R)
• M22: 9,042,892 km (0.11 R)
• M23: 9,316,357 km (0.098 R)
• M24: 11,188,275 km (0.113 R)
• M25: 11,305,410 km (0.108 R)
• M26: 11,422,845 km (0.066 R)
• M27: 11,481,786 km (0.087 R)
• M28: 11,659,060 km (0.107 R)
• M29: 12,076,438 km (0.113 R)
• M30: 13,543,694 km (0.106 R)
• M31: 14,045,146 km (0.076 R)
• M32: 14,108,276 km (0.046 R)
• M33: 14,298,265 km (0.111 R)
• M34: 15,001,674 km (0.113 R)
• M35: 15,066,301 km (0.118 R)
• M36: 15,195,553 km (0.108 R)
• M37: 15,520,480 km (0.07 R)
• M38: 15,651,079 km (0.108 R)
• M39: 16,110,943 km (0.094 R)
• M40: 16,708,885 km (0.096 R)
• M41: 17,178,922 km (0.085 R)
• M42: 17,653,297 km (0.118 R)
• M43: 20,088,750 km (0.049 R)
• M44: 20,588,407 km (0.081 R)
• M45: 21,381,724 km (0.045 R)
• M46: 23,896,165 km (0.082 R)
• M47: 24,425,443 km (0.104 R)
• M48: 24,501,289 km (0.101 R)
• M49: 25,111,499 km (0.063 R)
• M50: 25,188,093 km (0.055 R)
• M51: 25,726,495 km (0.076 R)
• M52: 27,128,676 km (0.117 R)
• M53: 27,997,541 km (0.064 R)
• M54: 28,236,149 km (0.097 R)
• M55: 28,315,885 km (0.119 R)
• M56: 28,395,621 km (0.082 R)
• M57: 30,413,397 km (0.09 R)
• M58: 30,822,547 km (0.089 R)
• M59: 31,151,064 km (0.104 R)
• M60: 31,894,715 km (0.084 R)
• M61: 32,811,451 km (0.117 R)
• M62: 34,670,653 km (0.051 R)
• M63: 35,269,344 km (0.1 R)
• M64: 36,044,111 km (0.111 R)
• M65: 36,303,663 km (0.095 R)
• M66: 37,698,065 km (0.095 R)
• M67: 38,490,186 km (0.09 R)
• M68: 39,911,814 km (0.046 R)
• M69: 40,180,193 km (0.036 R)
• M70: 42,440,617 km (0.078 R)
• M71: 42,989,192 km (0.07 R)
• M72: 44,741,881 km (0.094 R)
• M73: 45,113,931 km (0.094 R)
• M74: 45,207,130 km (0.063 R)
• M75: 45,860,873 km (0.105 R)
• M76: 46,329,862 km (0.053 R)
• M77: 46,517,907 km (0.093 R)
• M78: 46,894,744 km (0.099 R)
• M79: 48,507,409 km (0.095 R)
• M80: 52,079,656 km (0.093 R)
• M81: 52,568,841 km (0.111 R)
• M82: 54,045,522 km (0.113 R)
• M83: 55,835,610 km (0.086 R)
• M84: 57,241,232 km (0.115 R)
• M85: 58,150,936 km (0.057 R)
• M86: 58,353,791 km (0.099 R)
• M87: 59,575,557 km (0.079 R)
• M88: 60,087,182 km (0.053 R)
• M89: 60,394,755 km (0.047 R)
• M90: 60,600,153 km (0.091 R)
• M91: 61,011,696 km (0.111 R)
• M92: 62,147,892 km (0.08 R)
• M93: 63,186,999 km (0.054 R)
• M94: 64,336,659 km (0.026 R)
• M95: 65,704,133 km (0.111 R)
• M96: 66,868,752 km (0.075 R)
• M97: 67,933,440 km (0.091 R)
• M98: 68,574,916 km (0.073 R)

Kuiper Belt

Range: 31.2 - 60.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 208 - 16,125 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit