🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 123.2

Radius: 10.3

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.77 AU - 1.25 AU

Year: 655 Days

Day: 12.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 43,952,847 km

• M1: 128,056 km (0.107 R)
• M2: 448,943 km (0.118 R)
• M3: 952,639 km (0.096 R)
• M4: 1,279,211 km (0.056 R)
• M5: 2,100,354 km (0.12 R)
• M6: 2,677,054 km (0.056 R)
• M7: 3,272,154 km (0.119 R)
• M8: 3,618,473 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413.8

Radius: 8.6

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.05 AU - 1.15 AU

Year: 745 Days

Day: 11.2 Hours

Environment

Temp: -153 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 43,952,847 km

• M1: 107,710 km (0.118 R)
• M2: 579,841 km (0.078 R)
• M3: 1,213,538 km (0.035 R)
• M4: 1,500,018 km (0.114 R)
• M5: 2,101,850 km (0.045 R)
• M6: 2,593,728 km (0.064 R)
• M7: 2,982,084 km (0.064 R)
• M8: 3,270,658 km (0.098 R)
• M9: 4,103,918 km (0.103 R)
• M10: 5,699,828 km (0.104 R)
• M11: 7,131,330 km (0.053 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 523.8

Radius: 13.9

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.1 AU - 1.78 AU

Year: 1116 Days

Day: 15 Hours

Environment

Temp: -182 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,952,847 km

• M1: 172,935 km (0.044 R)
• M2: 807,230 km (0.091 R)
• M3: 1,609,523 km (0.109 R)
• M4: 2,234,095 km (0.086 R)
• M5: 3,539,635 km (0.031 R)
• M6: 4,252,170 km (0.082 R)
• M7: 4,749,433 km (0.076 R)
• M8: 5,499,367 km (0.075 R)
• M9: 6,133,812 km (0.084 R)
• M10: 6,793,838 km (0.109 R)
• M11: 7,598,973 km (0.108 R)
• M12: 8,076,041 km (0.045 R)
• M13: 8,599,783 km (0.119 R)
• M14: 9,090,614 km (0.105 R)
• M15: 9,774,126 km (0.073 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.6

Radius: 9.2

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.5 AU - 2.3 AU

Year: 1691 Days

Day: 10.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 43,952,847 km

• M1: 120,277 km (0.109 R)
• M2: 535,112 km (0.109 R)
• M3: 892,950 km (0.117 R)
• M4: 1,581,997 km (0.115 R)
• M5: 2,500,229 km (0.092 R)
• M6: 2,974,604 km (0.102 R)
• M7: 3,410,233 km (0.12 R)
• M8: 3,887,899 km (0.086 R)
• M9: 4,679,122 km (0.07 R)
• M10: 5,270,034 km (0.065 R)
• M11: 6,072,327 km (0.048 R)
• M12: 6,428,071 km (0.099 R)
• M13: 6,775,587 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.6

Radius: 10.7

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2 AU - 2.14 AU

Year: 1923 Days

Day: 7.9 Hours

Environment

Temp: -180 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 43,952,847 km

• M1: 137,181 km (0.097 R)
• M2: 567,126 km (0.025 R)
• M3: 1,926,521 km (0.104 R)
• M4: 3,424,744 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 51.5

Radius: 13.4

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.57 AU - 3.59 AU

Year: 3490 Days

Day: 5.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 43,952,847 km

• M1: 180,116 km (0.057 R)
• M2: 756,217 km (0.115 R)
• M3: 1,935,946 km (0.073 R)
• M4: 3,199,599 km (0.084 R)
• M5: 4,179,166 km (0.084 R)
• M6: 6,011,740 km (0.096 R)
• M7: 6,638,256 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 629.4

Radius: 11.9

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 3.74 AU - 4.54 AU

Year: 5439 Days

Day: 5.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,952,847 km

• M1: 147,952 km (0.118 R)
• M2: 703,708 km (0.072 R)
• M3: 1,395,000 km (0.072 R)
• M4: 1,884,036 km (0.081 R)
• M5: 2,622,002 km (0.066 R)
• M6: 3,175,514 km (0.089 R)
• M7: 4,518,155 km (0.108 R)
• M8: 7,406,291 km (0.115 R)
• M9: 8,022,934 km (0.047 R)
• M10: 12,169,188 km (0.084 R)
• M11: 13,341,737 km (0.084 R)
• M12: 14,982,227 km (0.117 R)
• M13: 15,616,223 km (0.065 R)
• M14: 16,692,280 km (0.104 R)
• M15: 25,406,954 km (0.03 R)
• M16: 30,680,279 km (0.08 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 950.1

Radius: 8.7

Gravity: 12.55 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.06 AU - 4.94 AU

Year: 6164 Days

Day: 5.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 43,952,847 km

• M1: 109,356 km (0.092 R)
• M2: 740,809 km (0.081 R)
• M3: 1,433,447 km (0.047 R)
• M4: 2,711,013 km (0.082 R)
• M5: 5,169,504 km (0.094 R)
• M6: 5,505,351 km (0.075 R)
• M7: 6,357,910 km (0.074 R)
• M8: 6,779,776 km (0.116 R)
• M9: 7,071,491 km (0.048 R)
• M10: 7,758,445 km (0.099 R)
• M11: 9,807,786 km (0.073 R)
• M12: 13,180,919 km (0.071 R)
• M13: 13,926,066 km (0.115 R)
• M14: 15,003,918 km (0.115 R)
• M15: 19,949,175 km (0.095 R)
• M16: 21,394,889 km (0.111 R)
• M17: 25,181,959 km (0.119 R)
• M18: 31,970,411 km (0.086 R)
• M19: 33,946,001 km (0.096 R)
• M20: 36,112,178 km (0.118 R)
• M21: 37,116,429 km (0.059 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 415.6

Radius: 4.8

Gravity: 18.04 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 6.6 AU - 6.86 AU

Year: 11273 Days

Day: 24.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 29.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 43,952,847 km

• M1: 59,690 km (0.067 R)
• M2: 303,085 km (0.096 R)
• M3: 636,689 km (0.043 R)
• M4: 876,494 km (0.115 R)
• M5: 1,552,527 km (0.027 R)
• M6: 2,176,649 km (0.069 R)
• M7: 2,411,667 km (0.111 R)
• M8: 3,084,858 km (0.045 R)
• M9: 4,734,174 km (0.077 R)
• M10: 5,480,817 km (0.059 R)
• M11: 5,746,204 km (0.101 R)
• M12: 7,482,586 km (0.087 R)
• M13: 8,757,310 km (0.109 R)
• M14: 9,446,058 km (0.107 R)
• M15: 10,419,791 km (0.066 R)
• M16: 11,298,379 km (0.068 R)
• M17: 12,225,437 km (0.113 R)
• M18: 13,026,085 km (0.101 R)
• M19: 16,855,790 km (0.101 R)
• M20: 19,787,759 km (0.054 R)
• M21: 26,075,358 km (0.089 R)
• M22: 28,075,631 km (0.105 R)
• M23: 28,863,862 km (0.069 R)
• M24: 35,479,529 km (0.049 R)
• M25: 36,984,034 km (0.042 R)
• M26: 37,337,235 km (0.081 R)
• M27: 41,371,590 km (0.102 R)
• M28: 42,907,811 km (0.096 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 392 - 17,195 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit