🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.83 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.93

Radius: 0.97

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.63 AU - 1.03 AU

Year: 283 Days

Day: 29.8 Hours

Environment

Temp: 162 °C

Axial Tilt: 31.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 14,804,295 km

• M1: 438,023 km (0.103 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.03

Radius: 1.33

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 1.43 AU - 1.91 AU

Year: 809 Days

Day: 21.2 Hours

Environment

Temp: -51 °C

Axial Tilt: 6.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 3.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.9

Radius: 13.8

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 4.53 AU - 5.75 AU

Year: 4367 Days

Day: 8.2 Hours

Environment

Temp: -139 °C

Axial Tilt: 127.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (72)

Outer Limit: 14,804,295 km

• M1: 213,027 km (0.063 R)
• M2: 316,699 km (0.103 R)
• M3: 429,346 km (0.099 R)
• M4: 592,258 km (0.037 R)
• M5: 827,127 km (0.102 R)
• M6: 1,121,535 km (0.095 R)
• M7: 1,246,150 km (0.089 R)
• M8: 1,376,001 km (0.061 R)
• M9: 2,163,036 km (0.061 R)
• M10: 2,393,117 km (0.099 R)
• M11: 2,502,024 km (0.044 R)
• M12: 2,631,277 km (0.049 R)
• M13: 2,800,921 km (0.095 R)
• M14: 3,131,383 km (0.115 R)
• M15: 3,271,257 km (0.097 R)
• M16: 3,515,849 km (0.068 R)
• M17: 3,640,464 km (0.063 R)
• M18: 3,787,668 km (0.093 R)
• M19: 3,958,509 km (0.049 R)
• M20: 4,175,725 km (0.077 R)
• M21: 4,690,342 km (0.105 R)
• M22: 4,827,972 km (0.089 R)
• M23: 5,036,960 km (0.095 R)
• M24: 5,368,170 km (0.05 R)
• M25: 5,706,411 km (0.101 R)
• M26: 6,252,144 km (0.075 R)
• M27: 6,480,430 km (0.116 R)
• M28: 7,420,503 km (0.061 R)
• M29: 7,554,543 km (0.061 R)
• M30: 7,770,562 km (0.102 R)
• M31: 8,319,886 km (0.101 R)
• M32: 9,224,654 km (0.075 R)
• M33: 9,368,866 km (0.088 R)
• M34: 9,513,976 km (0.029 R)
• M35: 9,659,684 km (0.075 R)
• M36: 9,982,965 km (0.034 R)
• M37: 10,519,722 km (0.058 R)
• M38: 10,761,173 km (0.112 R)
• M39: 11,965,137 km (0.116 R)
• M40: 12,059,533 km (0.08 R)
• M41: 12,154,229 km (0.062 R)
• M42: 13,537,859 km (0.075 R)
• M43: 14,131,912 km (0.087 R)
• M44: 14,432,155 km (0.093 R)
• M45: 14,835,621 km (0.062 R)
• M46: 15,619,663 km (0.117 R)
• M47: 15,757,443 km (0.038 R)
• M48: 16,557,193 km (0.069 R)
• M49: 17,263,295 km (0.102 R)
• M50: 17,370,108 km (0.114 R)
• M51: 17,871,410 km (0.086 R)
• M52: 18,522,909 km (0.092 R)
• M53: 18,632,265 km (0.074 R)
• M54: 19,182,187 km (0.101 R)
• M55: 19,292,740 km (0.088 R)
• M56: 20,110,591 km (0.117 R)
• M57: 20,373,285 km (0.083 R)
• M58: 20,523,781 km (0.037 R)
• M59: 20,674,725 km (0.092 R)
• M60: 20,977,661 km (0.093 R)
• M61: 21,129,802 km (0.108 R)
• M62: 21,244,094 km (0.115 R)
• M63: 21,511,575 km (0.032 R)
• M64: 22,011,232 km (0.116 R)
• M65: 23,061,260 km (0.056 R)
• M66: 23,770,354 km (0.094 R)
• M67: 25,008,426 km (0.074 R)
• M68: 25,371,799 km (0.099 R)
• M69: 25,777,658 km (0.038 R)
• M70: 25,940,570 km (0.04 R)
• M71: 27,090,529 km (0.071 R)
• M72: 27,380,749 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 72.9

Radius: 10.3

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 5.46 AU - 6.18 AU

Year: 5262 Days

Day: 6 Hours

Environment

Temp: -144 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 14,804,295 km

• M1: 154,983 km (0.081 R)
• M2: 268,229 km (0.068 R)
• M3: 417,528 km (0.06 R)
• M4: 730,486 km (0.096 R)
• M5: 872,305 km (0.112 R)
• M6: 989,291 km (0.091 R)
• M7: 1,411,306 km (0.084 R)
• M8: 1,642,585 km (0.07 R)
• M9: 1,715,439 km (0.074 R)
• M10: 1,896,901 km (0.08 R)
• M11: 2,267,754 km (0.057 R)
• M12: 2,467,617 km (0.105 R)
• M13: 2,624,545 km (0.117 R)
• M14: 2,834,730 km (0.093 R)
• M15: 3,484,882 km (0.093 R)
• M16: 3,579,578 km (0.116 R)
• M17: 3,647,645 km (0.079 R)
• M18: 3,743,836 km (0.092 R)
• M19: 4,151,341 km (0.049 R)
• M20: 4,411,492 km (0.113 R)
• M21: 4,691,988 km (0.07 R)
• M22: 5,146,616 km (0.093 R)
• M23: 6,510,499 km (0.091 R)
• M24: 6,812,986 km (0.088 R)
• M25: 6,931,917 km (0.1 R)
• M26: 7,171,872 km (0.115 R)
• M27: 7,836,834 km (0.079 R)
• M28: 8,852,604 km (0.118 R)
• M29: 9,470,592 km (0.098 R)
• M30: 9,698,729 km (0.047 R)
• M31: 10,199,284 km (0.106 R)
• M32: 10,355,015 km (0.076 R)
• M33: 10,728,112 km (0.079 R)
• M34: 10,866,640 km (0.1 R)
• M35: 11,326,204 km (0.042 R)
• M36: 11,406,688 km (0.044 R)
• M37: 12,119,821 km (0.027 R)
• M38: 12,471,376 km (0.045 R)
• M39: 12,868,259 km (0.098 R)
• M40: 13,546,237 km (0.09 R)
• M41: 13,653,199 km (0.101 R)
• M42: 13,846,330 km (0.057 R)
• M43: 14,192,200 km (0.098 R)
• M44: 14,388,024 km (0.034 R)
• M45: 14,519,072 km (0.091 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 488 - 15,914 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit