🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562

Radius: 8.4

Gravity: 7.96 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 0.48 AU - 0.66 AU

Year: 287 Days

Day: 5.3 Hours

Environment

Temp: -157 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 29,623,772 km

• M1: 104,719 km (0.084 R)
• M2: 381,026 km (0.066 R)
• M3: 798,105 km (0.116 R)
• M4: 1,179,729 km (0.119 R)
• M5: 1,597,406 km (0.053 R)
• M6: 2,441,288 km (0.108 R)
• M7: 3,154,720 km (0.108 R)
• M8: 3,478,749 km (0.109 R)
• M9: 3,801,731 km (0.108 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32

Radius: 14.8

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 0.51 AU - 0.75 AU

Year: 333 Days

Day: 11.7 Hours

Environment

Temp: -154 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 29,623,772 km

• M1: 184,155 km (0.109 R)
• M2: 645,365 km (0.088 R)
• M3: 1,165,816 km (0.093 R)
• M4: 1,666,520 km (0.099 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.7

Radius: 10.7

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.87 AU - 1.21 AU

Year: 707 Days

Day: 6.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 29,623,772 km

• M1: 137,331 km (0.103 R)
• M2: 861,534 km (0.112 R)
• M3: 1,961,078 km (0.079 R)
• M4: 2,333,727 km (0.078 R)
• M5: 2,879,909 km (0.111 R)
• M6: 3,633,882 km (0.097 R)
• M7: 4,499,904 km (0.049 R)
• M8: 5,076,005 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 905.3

Radius: 8.9

Gravity: 11.43 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.07 AU - 1.47 AU

Year: 954 Days

Day: 11.5 Hours

Environment

Temp: -183 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 29,623,772 km

• M1: 110,702 km (0.107 R)
• M2: 569,070 km (0.096 R)
• M3: 910,602 km (0.102 R)
• M4: 1,218,325 km (0.109 R)
• M5: 1,776,026 km (0.095 R)
• M6: 2,221,528 km (0.062 R)
• M7: 2,579,067 km (0.088 R)
• M8: 3,138,713 km (0.119 R)
• M9: 3,499,992 km (0.093 R)
• M10: 3,793,054 km (0.102 R)
• M11: 4,135,932 km (0.114 R)
• M12: 7,496,349 km (0.103 R)
• M13: 8,305,674 km (0.03 R)
• M14: 8,857,989 km (0.117 R)
• M15: 9,464,010 km (0.114 R)
• M16: 10,283,507 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 48.1

Radius: 12.6

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1.1 AU - 1.76 AU

Year: 1140 Days

Day: 9.4 Hours

Environment

Temp: -198 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 29,623,772 km

• M1: 157,078 km (0.097 R)
• M2: 1,047,185 km (0.062 R)
• M3: 2,571,438 km (0.094 R)
• M4: 2,965,329 km (0.111 R)
• M5: 3,888,946 km (0.081 R)
• M6: 4,623,322 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 444.4

Radius: 11.2

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 2.26 AU - 3.68 AU

Year: 3413 Days

Day: 14.2 Hours

Environment

Temp: -205 °C

Axial Tilt: 14.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 29,623,772 km

• M1: 139,425 km (0.092 R)
• M2: 513,869 km (0.089 R)
• M3: 951,442 km (0.037 R)
• M4: 1,342,342 km (0.094 R)
• M5: 2,149,871 km (0.086 R)
• M6: 2,920,599 km (0.102 R)
• M7: 3,343,812 km (0.114 R)
• M8: 3,985,586 km (0.088 R)
• M9: 5,029,480 km (0.089 R)
• M10: 5,692,199 km (0.074 R)
• M11: 7,072,389 km (0.065 R)
• M12: 8,835,699 km (0.073 R)
• M13: 9,580,696 km (0.118 R)
• M14: 10,599,608 km (0.109 R)
• M15: 11,034,788 km (0.064 R)
• M16: 15,709,871 km (0.072 R)
• M17: 18,793,980 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.9

Radius: 12.2

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.57 AU - 4.23 AU

Year: 4181 Days

Day: 14 Hours

Environment

Temp: -217 °C

Axial Tilt: 80.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 29,623,772 km

• M1: 152,590 km (0.07 R)
• M2: 775,216 km (0.051 R)
• M3: 1,320,949 km (0.09 R)
• M4: 1,965,417 km (0.098 R)
• M5: 2,494,844 km (0.12 R)
• M6: 2,881,704 km (0.111 R)
• M7: 4,531,170 km (0.077 R)
• M8: 6,242,719 km (0.097 R)
• M9: 7,128,189 km (0.049 R)
• M10: 7,532,552 km (0.084 R)
• M11: 8,573,454 km (0.101 R)
• M12: 8,954,031 km (0.108 R)
• M13: 10,677,099 km (0.07 R)
• M14: 12,083,768 km (0.099 R)
• M15: 12,955,325 km (0.091 R)
• M16: 13,406,512 km (0.072 R)
• M17: 14,661,489 km (0.117 R)
• M18: 16,107,652 km (0.095 R)
• M19: 18,768,698 km (0.073 R)
• M20: 21,570,218 km (0.082 R)
• M21: 22,779,567 km (0.118 R)
• M22: 25,411,143 km (0.066 R)
• M23: 25,881,778 km (0.091 R)
• M24: 26,759,918 km (0.051 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.5

Radius: 10.9

Gravity: 7.6 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 4.95 AU - 5.49 AU

Year: 7953 Days

Day: 14.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 29,623,772 km

• M1: 135,536 km (0.097 R)
• M2: 661,821 km (0.048 R)
• M3: 1,050,925 km (0.074 R)
• M4: 1,651,560 km (0.073 R)
• M5: 2,047,995 km (0.105 R)
• M6: 2,604,200 km (0.102 R)
• M7: 3,102,061 km (0.088 R)
• M8: 3,737,404 km (0.116 R)
• M9: 4,926,557 km (0.12 R)
• M10: 5,559,057 km (0.106 R)
• M11: 9,004,296 km (0.09 R)
• M12: 10,246,856 km (0.036 R)
• M13: 10,857,514 km (0.053 R)
• M14: 11,492,108 km (0.097 R)
• M15: 12,320,133 km (0.12 R)
• M16: 13,246,592 km (0.029 R)
• M17: 14,786,403 km (0.101 R)
• M18: 17,350,511 km (0.035 R)
• M19: 20,995,762 km (0.115 R)
• M20: 21,731,933 km (0.079 R)
• M21: 26,515,475 km (0.076 R)
• M22: 27,569,242 km (0.099 R)
• M23: 30,898,243 km (0.11 R)
• M24: 33,703,054 km (0.084 R)
• M25: 35,972,902 km (0.085 R)
• M26: 36,790,904 km (0.11 R)
• M27: 41,576,988 km (0.113 R)
• M28: 43,787,297 km (0.038 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 160.2

Radius: 4.8

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.72 AU - 6.48 AU

Year: 10047 Days

Day: 18.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 29,623,772 km

• M1: 60,886 km (0.109 R)
• M2: 220,806 km (0.104 R)
• M3: 1,112,559 km (0.113 R)
• M4: 2,361,402 km (0.074 R)
• M5: 3,370,290 km (0.063 R)
• M6: 4,411,492 km (0.118 R)
• M7: 6,509,602 km (0.086 R)
• M8: 7,773,405 km (0.083 R)
• M9: 10,866,191 km (0.109 R)
• M10: 13,399,481 km (0.064 R)
• M11: 14,089,427 km (0.09 R)
• M12: 21,611,956 km (0.096 R)
• M13: 22,485,607 km (0.111 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 547 - 18,609 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit