🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.5

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.48 AU - 0.7 AU

Year: 174 Days

Day: 39.4 Hours

Environment

Temp: 140 °C

Axial Tilt: 14.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.23

Radius: 1.6

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2 AU - 3.26 AU

Year: 1633 Days

Day: 12.6 Hours

Environment

Temp: -114 °C

Axial Tilt: 21.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 2.81 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 2.7 AU - 2.92 AU

Year: 1804 Days

Day: 20 Hours

Environment

Temp: -107 °C

Axial Tilt: 3.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 9.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.6

Radius: 13.5

Gravity: 3.7 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 7.46 AU - 11.72 AU

Year: 11371 Days

Day: 9.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (85)

Outer Limit: 16,919,286 km

• M1: 262,993 km (0.093 R)
• M2: 360,381 km (0.093 R)
• M3: 629,657 km (0.093 R)
• M4: 891,304 km (0.051 R)
• M5: 1,428,660 km (0.118 R)
• M6: 1,542,803 km (0.12 R)
• M7: 1,780,963 km (0.111 R)
• M8: 1,904,680 km (0.092 R)
• M9: 2,057,120 km (0.079 R)
• M10: 2,213,899 km (0.1 R)
• M11: 3,146,342 km (0.082 R)
• M12: 3,420,256 km (0.088 R)
• M13: 3,670,384 km (0.101 R)
• M14: 3,862,019 km (0.104 R)
• M15: 4,221,951 km (0.102 R)
• M16: 5,151,403 km (0.102 R)
• M17: 5,475,282 km (0.087 R)
• M18: 5,805,744 km (0.105 R)
• M19: 6,563,607 km (0.064 R)
• M20: 6,718,889 km (0.09 R)
• M21: 7,272,401 km (0.09 R)
• M22: 8,005,580 km (0.059 R)
• M23: 8,297,147 km (0.076 R)
• M24: 8,933,686 km (0.116 R)
• M25: 9,149,406 km (0.118 R)
• M26: 9,454,436 km (0.06 R)
• M27: 9,851,469 km (0.085 R)
• M28: 10,163,979 km (0.082 R)
• M29: 10,479,929 km (0.054 R)
• M30: 10,753,245 km (0.11 R)
• M31: 11,681,499 km (0.118 R)
• M32: 13,121,678 km (0.114 R)
• M33: 14,062,649 km (0.063 R)
• M34: 14,313,973 km (0.114 R)
• M35: 14,617,358 km (0.07 R)
• M36: 15,230,709 km (0.052 R)
• M37: 15,488,915 km (0.111 R)
• M38: 15,852,587 km (0.08 R)
• M39: 16,324,419 km (0.118 R)
• M40: 17,228,289 km (0.062 R)
• M41: 19,474,501 km (0.116 R)
• M42: 19,642,500 km (0.067 R)
• M43: 20,262,433 km (0.093 R)
• M44: 20,946,245 km (0.117 R)
• M45: 21,175,728 km (0.042 R)
• M46: 21,753,475 km (0.083 R)
• M47: 21,985,950 km (0.07 R)
• M48: 22,806,195 km (0.064 R)
• M49: 22,924,228 km (0.099 R)
• M50: 24,055,487 km (0.089 R)
• M51: 25,143,961 km (0.101 R)
• M52: 26,620,193 km (0.115 R)
• M53: 26,744,359 km (0.107 R)
• M54: 27,808,599 km (0.097 R)
• M55: 27,934,710 km (0.074 R)
• M56: 29,270,469 km (0.087 R)
• M57: 29,913,889 km (0.047 R)
• M58: 30,107,768 km (0.07 R)
• M59: 30,757,173 km (0.064 R)
• M60: 30,887,622 km (0.095 R)
• M61: 31,411,364 km (0.105 R)
• M62: 33,066,515 km (0.096 R)
• M63: 33,468,036 km (0.117 R)
• M64: 33,736,564 km (0.117 R)
• M65: 35,226,409 km (0.116 R)
• M66: 35,979,335 km (0.097 R)
• M67: 36,945,289 km (0.084 R)
• M68: 37,640,470 km (0.116 R)
• M69: 38,129,655 km (0.087 R)
• M70: 39,185,217 km (0.107 R)
• M71: 39,468,257 km (0.066 R)
• M72: 40,321,563 km (0.048 R)
• M73: 40,822,117 km (0.025 R)
• M74: 41,757,254 km (0.074 R)
• M75: 42,336,197 km (0.1 R)
• M76: 44,236,090 km (0.111 R)
• M77: 45,196,509 km (0.099 R)
• M78: 45,493,460 km (0.098 R)
• M79: 48,118,754 km (0.101 R)
• M80: 48,953,958 km (0.069 R)
• M81: 49,106,399 km (0.094 R)
• M82: 49,564,467 km (0.033 R)
• M83: 50,638,879 km (0.113 R)
• M84: 51,024,393 km (0.118 R)
• M85: 51,178,928 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 12.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 10.7

Radius: 4.8

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 10.98 AU - 13.88 AU

Year: 16779 Days

Day: 18.5 Hours

Environment

Temp: -189 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 16,919,286 km

• M1: 253,868 km (0.108 R)
• M2: 301,290 km (0.049 R)
• M3: 371,900 km (0.113 R)
• M4: 1,347,278 km (0.112 R)
• M5: 1,478,027 km (0.095 R)
• M6: 1,590,375 km (0.118 R)
• M7: 2,042,011 km (0.108 R)
• M8: 2,584,453 km (0.072 R)
• M9: 2,624,844 km (0.105 R)
• M10: 2,885,593 km (0.03 R)
• M11: 3,140,209 km (0.096 R)
• M12: 3,838,831 km (0.099 R)
• M13: 4,118,579 km (0.091 R)
• M14: 4,389,052 km (0.025 R)
• M15: 4,437,372 km (0.106 R)
• M16: 4,469,685 km (0.069 R)
• M17: 4,681,516 km (0.086 R)
• M18: 4,813,611 km (0.052 R)
• M19: 4,930,147 km (0.107 R)
• M20: 4,980,412 km (0.098 R)
• M21: 5,098,295 km (0.119 R)
• M22: 5,336,904 km (0.119 R)
• M23: 5,544,247 km (0.038 R)
• M24: 5,613,959 km (0.109 R)
• M25: 6,254,388 km (0.081 R)
• M26: 6,657,105 km (0.078 R)
• M27: 6,824,356 km (0.078 R)
• M28: 7,315,037 km (0.115 R)
• M29: 7,758,594 km (0.118 R)
• M30: 7,954,119 km (0.098 R)
• M31: 8,013,210 km (0.04 R)
• M32: 8,210,829 km (0.069 R)
• M33: 8,390,047 km (0.098 R)
• M34: 8,711,982 km (0.076 R)
• M35: 9,870,318 km (0.11 R)
• M36: 10,103,541 km (0.103 R)
• M37: 10,705,074 km (0.107 R)
• M38: 12,693,379 km (0.043 R)
• M39: 13,132,299 km (0.08 R)
• M40: 15,277,982 km (0.097 R)
• M41: 15,843,611 km (0.092 R)
• M42: 16,893,938 km (0.116 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 167 - 15,208 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit