🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.8

Radius: 0.91

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 0.56 AU - 0.56 AU

Year: 275 Days

Day: 22.1 Hours

Environment

Temp: -118 °C

Axial Tilt: 32.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,425,831 km

• M1: 305,479 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 11.5

Radius: 11

Gravity: 0.1 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.78 AU - 0.88 AU

Year: 496 Days

Day: 11.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,425,831 km

• M1: 143,614 km (0.095 R)
• M2: 219,909 km (0.093 R)
• M3: 300,093 km (0.083 R)
• M4: 397,930 km (0.097 R)
• M5: 466,596 km (0.083 R)
• M6: 639,232 km (0.116 R)
• M7: 718,369 km (0.092 R)
• M8: 815,308 km (0.119 R)
• M9: 927,956 km (0.114 R)
• M10: 1,063,641 km (0.105 R)
• M11: 1,142,030 km (0.069 R)
• M12: 1,638,845 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.2

Radius: 11.5

Gravity: 6.23 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 4.34 AU - 5.24 AU

Year: 6877 Days

Day: 7.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 49.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (80)

Outer Limit: 48,425,831 km

• M1: 146,606 km (0.109 R)
• M2: 369,507 km (0.115 R)
• M3: 471,532 km (0.057 R)
• M4: 695,780 km (0.103 R)
• M5: 1,021,903 km (0.027 R)
• M6: 1,106,575 km (0.098 R)
• M7: 1,320,201 km (0.108 R)
• M8: 1,489,546 km (0.113 R)
• M9: 1,788,293 km (0.078 R)
• M10: 1,871,170 km (0.086 R)
• M11: 1,976,786 km (0.073 R)
• M12: 2,442,335 km (0.118 R)
• M13: 2,868,390 km (0.071 R)
• M14: 3,015,594 km (0.083 R)
• M15: 3,216,055 km (0.118 R)
• M16: 3,394,974 km (0.112 R)
• M17: 3,682,950 km (0.096 R)
• M18: 4,171,537 km (0.03 R)
• M19: 4,537,154 km (0.058 R)
• M20: 4,623,023 km (0.069 R)
• M21: 5,030,976 km (0.091 R)
• M22: 5,450,748 km (0.064 R)
• M23: 5,850,623 km (0.041 R)
• M24: 6,069,934 km (0.051 R)
• M25: 6,291,937 km (0.056 R)
• M26: 7,140,157 km (0.106 R)
• M27: 7,442,195 km (0.099 R)
• M28: 7,577,731 km (0.111 R)
• M29: 7,817,087 km (0.107 R)
• M30: 8,691,935 km (0.114 R)
• M31: 9,634,552 km (0.102 R)
• M32: 9,708,453 km (0.077 R)
• M33: 10,043,103 km (0.104 R)
• M34: 11,341,763 km (0.049 R)
• M35: 11,891,834 km (0.111 R)
• M36: 12,170,236 km (0.078 R)
• M37: 12,410,490 km (0.076 R)
• M38: 12,531,215 km (0.116 R)
• M39: 13,140,677 km (0.073 R)
• M40: 13,801,600 km (0.078 R)
• M41: 14,515,481 km (0.117 R)
• M42: 14,600,303 km (0.037 R)
• M43: 15,891,931 km (0.096 R)
• M44: 16,023,129 km (0.076 R)
• M45: 16,110,793 km (0.035 R)
• M46: 16,862,373 km (0.107 R)
• M47: 16,951,533 km (0.063 R)
• M48: 17,219,912 km (0.063 R)
• M49: 17,897,291 km (0.094 R)
• M50: 18,860,103 km (0.089 R)
• M51: 20,692,677 km (0.103 R)
• M52: 21,316,051 km (0.083 R)
• M53: 21,412,542 km (0.062 R)
• M54: 21,557,502 km (0.066 R)
• M55: 21,751,381 km (0.066 R)
• M56: 21,848,470 km (0.117 R)
• M57: 22,043,097 km (0.113 R)
• M58: 22,729,003 km (0.103 R)
• M59: 22,876,806 km (0.105 R)
• M60: 24,021,379 km (0.118 R)
• M61: 24,777,746 km (0.098 R)
• M62: 25,798,452 km (0.116 R)
• M63: 26,884,981 km (0.08 R)
• M64: 28,516,047 km (0.085 R)
• M65: 28,835,438 km (0.114 R)
• M66: 30,178,977 km (0.056 R)
• M67: 30,287,286 km (0.059 R)
• M68: 31,104,240 km (0.112 R)
• M69: 34,500,261 km (0.106 R)
• M70: 34,783,749 km (0.074 R)
• M71: 35,811,037 km (0.074 R)
• M72: 35,925,779 km (0.08 R)
• M73: 36,098,116 km (0.114 R)
• M74: 36,501,282 km (0.104 R)
• M75: 37,312,252 km (0.106 R)
• M76: 37,428,639 km (0.04 R)
• M77: 38,012,071 km (0.11 R)
• M78: 38,893,053 km (0.063 R)
• M79: 39,365,483 km (0.076 R)
• M80: 39,721,227 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.1

Radius: 5

Gravity: 30.24 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 5.91 AU - 6.11 AU

Year: 9665 Days

Day: 20.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (93)

Outer Limit: 48,425,831 km

• M1: 125,812 km (0.119 R)
• M2: 900,878 km (0.116 R)
• M3: 1,095,505 km (0.072 R)
• M4: 1,177,036 km (0.115 R)
• M5: 2,047,546 km (0.112 R)
• M6: 2,173,956 km (0.081 R)
• M7: 2,622,750 km (0.098 R)
• M8: 2,705,029 km (0.098 R)
• M9: 2,899,955 km (0.105 R)
• M10: 2,984,926 km (0.097 R)
• M11: 3,724,837 km (0.099 R)
• M12: 3,848,256 km (0.115 R)
• M13: 3,941,754 km (0.105 R)
• M14: 4,036,001 km (0.1 R)
• M15: 4,067,566 km (0.09 R)
• M16: 4,194,724 km (0.085 R)
• M17: 4,453,080 km (0.102 R)
• M18: 4,951,091 km (0.1 R)
• M19: 5,258,365 km (0.026 R)
• M20: 5,396,893 km (0.067 R)
• M21: 5,784,202 km (0.083 R)
• M22: 5,999,174 km (0.112 R)
• M23: 6,143,985 km (0.118 R)
• M24: 6,437,047 km (0.091 R)
• M25: 6,998,787 km (0.089 R)
• M26: 7,420,653 km (0.076 R)
• M27: 7,615,130 km (0.062 R)
• M28: 8,490,726 km (0.094 R)
• M29: 8,571,808 km (0.098 R)
• M30: 8,857,989 km (0.113 R)
• M31: 8,981,557 km (0.119 R)
• M32: 9,064,285 km (0.063 R)
• M33: 9,188,900 km (0.097 R)
• M34: 9,481,663 km (0.117 R)
• M35: 10,991,105 km (0.111 R)
• M36: 11,212,809 km (0.116 R)
• M37: 12,159,913 km (0.068 R)
• M38: 12,389,247 km (0.102 R)
• M39: 13,226,397 km (0.082 R)
• M40: 13,273,370 km (0.118 R)
• M41: 13,320,494 km (0.107 R)
• M42: 13,842,291 km (0.101 R)
• M43: 14,613,019 km (0.07 R)
• M44: 14,905,633 km (0.098 R)
• M45: 15,695,509 km (0.106 R)
• M46: 16,650,841 km (0.095 R)
• M47: 16,752,568 km (0.115 R)
• M48: 16,854,444 km (0.111 R)
• M49: 17,007,632 km (0.059 R)
• M50: 17,110,107 km (0.107 R)
• M51: 17,832,515 km (0.11 R)
• M52: 17,884,425 km (0.103 R)
• M53: 18,092,965 km (0.11 R)
• M54: 18,512,288 km (0.116 R)
• M55: 18,934,752 km (0.087 R)
• M56: 19,253,695 km (0.079 R)
• M57: 19,467,321 km (0.111 R)
• M58: 20,221,294 km (0.109 R)
• M59: 21,149,549 km (0.083 R)
• M60: 21,813,015 km (0.08 R)
• M61: 23,047,198 km (0.079 R)
• M62: 23,103,895 km (0.087 R)
• M63: 24,592,544 km (0.101 R)
• M64: 26,348,523 km (0.1 R)
• M65: 26,883,186 km (0.038 R)
• M66: 27,181,784 km (0.103 R)
• M67: 27,541,417 km (0.077 R)
• M68: 28,873,885 km (0.106 R)
• M69: 29,547,973 km (0.06 R)
• M70: 29,855,995 km (0.052 R)
• M71: 30,351,164 km (0.098 R)
• M72: 30,599,796 km (0.086 R)
• M73: 31,664,035 km (0.084 R)
• M74: 32,168,928 km (0.08 R)
• M75: 32,676,513 km (0.07 R)
• M76: 34,279,754 km (0.067 R)
• M77: 34,733,334 km (0.043 R)
• M78: 35,711,704 km (0.105 R)
• M79: 35,777,378 km (0.031 R)
• M80: 37,229,524 km (0.088 R)
• M81: 39,240,718 km (0.088 R)
• M82: 39,376,104 km (0.061 R)
• M83: 39,511,640 km (0.028 R)
• M84: 42,392,446 km (0.112 R)
• M85: 43,577,561 km (0.085 R)
• M86: 44,773,596 km (0.104 R)
• M87: 44,914,966 km (0.063 R)
• M88: 46,337,342 km (0.044 R)
• M89: 46,623,523 km (0.101 R)
• M90: 47,485,805 km (0.072 R)
• M91: 47,774,379 km (0.091 R)
• M92: 48,208,363 km (0.12 R)
• M93: 48,353,323 km (0.072 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 513 - 13,027 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit