🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.83

Radius: 1.52

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.48 AU - 0.56 AU

Year: 238 Days

Day: 13.8 Hours

Environment

Temp: -118 °C

Axial Tilt: 33.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 310.7

Radius: 11.8

Gravity: 2.23 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.54 AU - 0.88 AU

Year: 380 Days

Day: 11.5 Hours

Environment

Temp: -146 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 56,320,424 km

• M1: 147,354 km (0.111 R)
• M2: 224,397 km (0.11 R)
• M3: 330,761 km (0.067 R)
• M4: 411,245 km (0.037 R)
• M5: 490,083 km (0.053 R)
• M6: 601,683 km (0.116 R)
• M7: 771,177 km (0.094 R)
• M8: 850,464 km (0.109 R)
• M9: 926,011 km (0.114 R)
• M10: 1,051,224 km (0.115 R)
• M11: 1,125,574 km (0.117 R)
• M12: 1,213,388 km (0.103 R)
• M13: 1,287,888 km (0.107 R)
• M14: 1,380,190 km (0.11 R)
• M15: 1,571,825 km (0.114 R)
• M16: 1,706,164 km (0.03 R)
• M17: 1,808,339 km (0.057 R)
• M18: 1,917,246 km (0.116 R)
• M19: 2,099,157 km (0.094 R)
• M20: 2,180,239 km (0.119 R)
• M21: 2,316,224 km (0.068 R)
• M22: 2,581,461 km (0.097 R)
• M23: 2,715,351 km (0.038 R)
• M24: 3,006,169 km (0.11 R)
• M25: 3,081,866 km (0.103 R)
• M26: 3,251,659 km (0.114 R)
• M27: 3,329,450 km (0.111 R)
• M28: 3,413,524 km (0.111 R)
• M29: 3,515,251 km (0.089 R)
• M30: 3,629,544 km (0.086 R)
• M31: 3,791,708 km (0.092 R)
• M32: 3,879,671 km (0.104 R)
• M33: 4,027,623 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.4

Radius: 14.7

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.36 AU - 2.24 AU

Year: 1535 Days

Day: 12.3 Hours

Environment

Temp: -186 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (55)

Outer Limit: 56,320,424 km

• M1: 186,848 km (0.072 R)
• M2: 447,896 km (0.119 R)
• M3: 579,542 km (0.118 R)
• M4: 690,993 km (0.095 R)
• M5: 817,702 km (0.114 R)
• M6: 925,562 km (0.112 R)
• M7: 1,031,777 km (0.039 R)
• M8: 1,188,106 km (0.096 R)
• M9: 1,377,348 km (0.048 R)
• M10: 1,492,538 km (0.086 R)
• M11: 1,663,379 km (0.108 R)
• M12: 1,768,995 km (0.11 R)
• M13: 1,913,806 km (0.106 R)
• M14: 2,167,224 km (0.102 R)
• M15: 2,532,991 km (0.105 R)
• M16: 3,047,907 km (0.064 R)
• M17: 3,245,526 km (0.11 R)
• M18: 3,345,906 km (0.071 R)
• M19: 3,641,960 km (0.072 R)
• M20: 3,781,535 km (0.037 R)
• M21: 4,174,828 km (0.117 R)
• M22: 4,308,867 km (0.105 R)
• M23: 4,407,303 km (0.112 R)
• M24: 4,531,469 km (0.034 R)
• M25: 4,795,958 km (0.054 R)
• M26: 4,923,715 km (0.12 R)
• M27: 5,052,668 km (0.092 R)
• M28: 5,274,522 km (0.111 R)
• M29: 5,446,410 km (0.081 R)
• M30: 5,579,851 km (0.059 R)
• M31: 5,687,412 km (0.063 R)
• M32: 5,809,334 km (0.098 R)
• M33: 5,904,778 km (0.083 R)
• M34: 6,083,248 km (0.043 R)
• M35: 6,194,100 km (0.054 R)
• M36: 6,291,638 km (0.101 R)
• M37: 6,488,209 km (0.114 R)
• M38: 6,701,087 km (0.115 R)
• M39: 7,236,348 km (0.113 R)
• M40: 7,398,213 km (0.119 R)
• M41: 7,516,545 km (0.077 R)
• M42: 8,164,154 km (0.108 R)
• M43: 8,486,986 km (0.04 R)
• M44: 8,611,003 km (0.044 R)
• M45: 8,829,715 km (0.052 R)
• M46: 9,256,518 km (0.053 R)
• M47: 9,496,622 km (0.089 R)
• M48: 9,657,889 km (0.112 R)
• M49: 10,279,019 km (0.051 R)
• M50: 10,394,808 km (0.098 R)
• M51: 10,610,977 km (0.036 R)
• M52: 10,761,622 km (0.101 R)
• M53: 10,879,356 km (0.075 R)
• M54: 11,031,197 km (0.106 R)
• M55: 11,268,908 km (0.106 R)

Planet 4 - Ice Giant

Semi-Major Axis: 11.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.6

Radius: 5.6

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 9.31 AU - 13.13 AU

Year: 23896 Days

Day: 23.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (78)

Outer Limit: 56,320,424 km

• M1: 253,269 km (0.039 R)
• M2: 376,687 km (0.109 R)
• M3: 422,315 km (0.116 R)
• M4: 606,619 km (0.079 R)
• M5: 717,471 km (0.072 R)
• M6: 1,089,222 km (0.067 R)
• M7: 1,179,130 km (0.105 R)
• M8: 1,271,582 km (0.108 R)
• M9: 1,463,666 km (0.08 R)
• M10: 1,716,785 km (0.085 R)
• M11: 1,768,995 km (0.11 R)
• M12: 2,349,734 km (0.073 R)
• M13: 2,615,569 km (0.115 R)
• M14: 2,736,743 km (0.119 R)
• M15: 3,737,404 km (0.091 R)
• M16: 3,805,471 km (0.064 R)
• M17: 5,560,403 km (0.111 R)
• M18: 6,477,737 km (0.089 R)
• M19: 6,641,996 km (0.093 R)
• M20: 7,270,457 km (0.099 R)
• M21: 9,544,643 km (0.077 R)
• M22: 10,395,706 km (0.07 R)
• M23: 11,867,150 km (0.072 R)
• M24: 12,987,040 km (0.086 R)
• M25: 13,298,353 km (0.075 R)
• M26: 13,454,832 km (0.106 R)
• M27: 13,559,551 km (0.09 R)
• M28: 13,612,060 km (0.1 R)
• M29: 14,087,183 km (0.066 R)
• M30: 14,460,429 km (0.034 R)
• M31: 14,621,546 km (0.084 R)
• M32: 15,654,819 km (0.073 R)
• M33: 16,599,230 km (0.097 R)
• M34: 16,936,873 km (0.091 R)
• M35: 17,390,752 km (0.108 R)
• M36: 19,541,072 km (0.103 R)
• M37: 20,496,703 km (0.066 R)
• M38: 21,223,300 km (0.079 R)
• M39: 22,143,327 km (0.104 R)
• M40: 23,201,732 km (0.085 R)
• M41: 24,788,068 km (0.095 R)
• M42: 26,343,437 km (0.109 R)
• M43: 26,605,832 km (0.045 R)
• M44: 28,264,722 km (0.1 R)
• M45: 28,331,742 km (0.116 R)
• M46: 28,667,739 km (0.12 R)
• M47: 29,411,689 km (0.068 R)
• M48: 29,888,458 km (0.104 R)
• M49: 32,731,565 km (0.101 R)
• M50: 33,864,320 km (0.088 R)
• M51: 34,722,264 km (0.106 R)
• M52: 34,866,028 km (0.1 R)
• M53: 35,877,309 km (0.067 R)
• M54: 36,313,686 km (0.119 R)
• M55: 36,386,540 km (0.053 R)
• M56: 38,819,600 km (0.072 R)
• M57: 39,567,141 km (0.112 R)
• M58: 40,848,895 km (0.05 R)
• M59: 42,758,363 km (0.073 R)
• M60: 43,452,946 km (0.11 R)
• M61: 43,607,779 km (0.106 R)
• M62: 43,762,763 km (0.11 R)
• M63: 43,918,045 km (0.067 R)
• M64: 44,073,477 km (0.029 R)
• M65: 45,637,523 km (0.044 R)
• M66: 47,458,429 km (0.033 R)
• M67: 48,417,949 km (0.076 R)
• M68: 49,464,536 km (0.039 R)
• M69: 49,545,468 km (0.12 R)
• M70: 51,416,339 km (0.036 R)
• M71: 51,990,346 km (0.095 R)
• M72: 52,072,625 km (0.117 R)
• M73: 52,731,604 km (0.07 R)
• M74: 53,393,275 km (0.058 R)
• M75: 54,474,419 km (0.116 R)
• M76: 55,310,970 km (0.032 R)
• M77: 55,394,895 km (0.103 R)
• M78: 55,562,744 km (0.079 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 309 - 16,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit