🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 477.1

Radius: 14.3

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 1.01 AU - 1.61 AU

Year: 1017 Days

Day: 10.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 63,304,514 km

• M1: 178,321 km (0.083 R)
• M2: 699,968 km (0.079 R)
• M3: 1,232,986 km (0.116 R)
• M4: 2,004,911 km (0.029 R)
• M5: 2,491,553 km (0.101 R)
• M6: 3,045,214 km (0.108 R)
• M7: 3,524,376 km (0.089 R)
• M8: 4,147,601 km (0.114 R)
• M9: 4,791,620 km (0.055 R)
• M10: 5,276,018 km (0.098 R)
• M11: 6,177,195 km (0.073 R)
• M12: 7,504,278 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 28

Radius: 12.7

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.2 AU - 1.52 AU

Year: 1076 Days

Day: 8.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,304,514 km

• M1: 159,771 km (0.106 R)
• M2: 589,116 km (0.046 R)
• M3: 1,153,848 km (0.119 R)
• M4: 1,829,283 km (0.055 R)
• M5: 2,247,708 km (0.086 R)
• M6: 2,670,920 km (0.082 R)
• M7: 3,312,546 km (0.097 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.7

Radius: 13.9

Gravity: 1.78 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 4.21 AU - 4.63 AU

Year: 6303 Days

Day: 5.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 63,304,514 km

• M1: 173,683 km (0.067 R)
• M2: 667,655 km (0.091 R)
• M3: 1,736,233 km (0.073 R)
• M4: 2,863,752 km (0.072 R)
• M5: 4,108,107 km (0.094 R)
• M6: 4,752,126 km (0.06 R)
• M7: 5,658,539 km (0.034 R)
• M8: 6,334,871 km (0.058 R)
• M9: 7,570,400 km (0.083 R)
• M10: 8,209,183 km (0.1 R)
• M11: 9,195,332 km (0.082 R)
• M12: 9,923,276 km (0.071 R)
• M13: 10,953,406 km (0.081 R)
• M14: 11,959,153 km (0.03 R)
• M15: 12,679,616 km (0.084 R)
• M16: 13,175,832 km (0.108 R)
• M17: 14,049,185 km (0.084 R)
• M18: 14,634,711 km (0.092 R)
• M19: 15,125,841 km (0.11 R)
• M20: 15,628,041 km (0.035 R)
• M21: 18,433,450 km (0.076 R)
• M22: 19,200,438 km (0.065 R)
• M23: 19,855,826 km (0.111 R)
• M24: 23,211,306 km (0.032 R)
• M25: 27,254,638 km (0.057 R)
• M26: 27,999,186 km (0.115 R)

Planet 4 - Ice Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 751.5

Radius: 7.9

Gravity: 12.04 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 5.66 AU - 5.7 AU

Year: 9182 Days

Day: 22.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 63,304,514 km

• M1: 98,286 km (0.118 R)
• M2: 388,506 km (0.086 R)
• M3: 835,205 km (0.078 R)
• M4: 1,121,236 km (0.073 R)
• M5: 1,369,120 km (0.081 R)
• M6: 1,913,806 km (0.118 R)
• M7: 2,401,794 km (0.09 R)
• M8: 2,675,708 km (0.109 R)
• M9: 3,526,321 km (0.103 R)
• M10: 4,095,092 km (0.058 R)
• M11: 4,664,013 km (0.112 R)
• M12: 5,029,929 km (0.106 R)
• M13: 5,888,621 km (0.071 R)
• M14: 7,979,251 km (0.118 R)
• M15: 10,265,406 km (0.072 R)
• M16: 12,030,661 km (0.035 R)
• M17: 12,603,321 km (0.087 R)
• M18: 12,955,624 km (0.114 R)
• M19: 13,679,828 km (0.08 R)
• M20: 16,637,228 km (0.088 R)
• M21: 18,526,948 km (0.06 R)
• M22: 24,408,837 km (0.075 R)
• M23: 27,131,967 km (0.094 R)
• M24: 27,818,322 km (0.115 R)
• M25: 31,532,688 km (0.043 R)
• M26: 33,958,268 km (0.108 R)
• M27: 38,190,990 km (0.065 R)
• M28: 42,894,497 km (0.104 R)
• M29: 43,959,933 km (0.104 R)
• M30: 45,179,604 km (0.097 R)
• M31: 45,453,518 km (0.103 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.4

Radius: 7.7

Gravity: 10.28 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 6.52 AU - 8.84 AU

Year: 14436 Days

Day: 15 Hours

Environment

Temp: -227 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 63,304,514 km

• M1: 105,018 km (0.092 R)
• M2: 374,443 km (0.099 R)
• M3: 747,690 km (0.109 R)
• M4: 1,003,353 km (0.108 R)
• M5: 1,780,215 km (0.039 R)
• M6: 2,058,467 km (0.074 R)
• M7: 2,551,990 km (0.03 R)
• M8: 2,931,071 km (0.055 R)
• M9: 3,609,946 km (0.107 R)
• M10: 4,513,667 km (0.11 R)
• M11: 6,476,092 km (0.101 R)
• M12: 7,097,073 km (0.12 R)
• M13: 7,577,282 km (0.119 R)
• M14: 10,642,692 km (0.082 R)
• M15: 17,228,439 km (0.065 R)
• M16: 17,856,151 km (0.115 R)
• M17: 18,826,144 km (0.085 R)
• M18: 19,830,843 km (0.096 R)
• M19: 22,498,473 km (0.056 R)
• M20: 26,004,149 km (0.086 R)
• M21: 31,337,912 km (0.085 R)
• M22: 32,628,044 km (0.112 R)
• M23: 33,588,462 km (0.118 R)
• M24: 35,063,946 km (0.11 R)
• M25: 41,399,715 km (0.096 R)
• M26: 42,951,942 km (0.091 R)
• M27: 44,104,893 km (0.116 R)
• M28: 45,575,141 km (0.106 R)
• M29: 46,472,728 km (0.108 R)
• M30: 47,994,737 km (0.111 R)
• M31: 56,448,662 km (0.057 R)
• M32: 56,792,288 km (0.03 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.87 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 703.7

Radius: 5.8

Gravity: 20.92 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 6.39 AU - 9.35 AU

Year: 14975 Days

Day: 24 Hours

Environment

Temp: -231 °C

Axial Tilt: 41.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,304,514 km

• M1: 72,256 km (0.079 R)
• M2: 519,703 km (0.056 R)
• M3: 709,393 km (0.091 R)
• M4: 1,036,564 km (0.114 R)
• M5: 1,848,581 km (0.099 R)
• M6: 2,557,376 km (0.091 R)
• M7: 3,249,116 km (0.108 R)
• M8: 4,241,698 km (0.064 R)
• M9: 6,978,142 km (0.093 R)
• M10: 7,556,936 km (0.087 R)
• M11: 7,976,110 km (0.091 R)
• M12: 8,509,426 km (0.091 R)
• M13: 8,810,118 km (0.107 R)
• M14: 12,666,601 km (0.119 R)
• M15: 14,005,353 km (0.12 R)
• M16: 15,142,147 km (0.061 R)
• M17: 16,262,635 km (0.105 R)
• M18: 16,960,808 km (0.119 R)
• M19: 18,168,661 km (0.108 R)
• M20: 20,396,174 km (0.08 R)
• M21: 31,248,153 km (0.095 R)
• M22: 32,325,856 km (0.028 R)
• M23: 35,707,366 km (0.102 R)
• M24: 37,550,262 km (0.118 R)
• M25: 39,041,903 km (0.116 R)
• M26: 41,281,532 km (0.118 R)
• M27: 43,457,733 km (0.079 R)
• M28: 44,349,186 km (0.061 R)
• M29: 44,799,476 km (0.053 R)
• M30: 47,408,762 km (0.119 R)
• M31: 49,793,651 km (0.047 R)
• M32: 52,257,379 km (0.116 R)
• M33: 55,841,444 km (0.115 R)
• M34: 61,799,030 km (0.12 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 18,178 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit