🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.6

Radius: 11.6

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.75 AU - 0.91 AU

Year: 488 Days

Day: 6 Hours

Environment

Temp: -146 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 69,921,027 km

• M1: 144,960 km (0.03 R)
• M2: 767,138 km (0.083 R)
• M3: 1,371,812 km (0.096 R)
• M4: 1,745,358 km (0.04 R)
• M5: 2,118,007 km (0.093 R)
• M6: 2,664,637 km (0.051 R)
• M7: 3,050,151 km (0.079 R)
• M8: 3,802,778 km (0.111 R)
• M9: 5,094,855 km (0.046 R)
• M10: 5,728,252 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 170.4

Radius: 12.6

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.95 AU - 1.01 AU

Year: 626 Days

Day: 11.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 69,921,027 km

• M1: 156,779 km (0.105 R)
• M2: 643,271 km (0.112 R)
• M3: 1,115,551 km (0.109 R)
• M4: 1,539,661 km (0.114 R)
• M5: 2,065,647 km (0.081 R)
• M6: 2,510,851 km (0.082 R)
• M7: 3,420,107 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 381.5

Radius: 14.1

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.28 AU - 1.28 AU

Year: 935 Days

Day: 11.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,921,027 km

• M1: 175,927 km (0.116 R)
• M2: 618,438 km (0.12 R)
• M3: 1,440,927 km (0.083 R)
• M4: 2,163,036 km (0.097 R)
• M5: 2,820,817 km (0.119 R)
• M6: 3,889,844 km (0.077 R)
• M7: 5,196,132 km (0.077 R)
• M8: 5,685,168 km (0.093 R)
• M9: 6,205,020 km (0.111 R)
• M10: 6,841,111 km (0.111 R)
• M11: 7,407,787 km (0.112 R)
• M12: 7,935,120 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 221

Radius: 13.6

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 1.23 AU - 1.58 AU

Year: 1070 Days

Day: 14.5 Hours

Environment

Temp: -165 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,921,027 km

• M1: 169,195 km (0.1 R)
• M2: 601,832 km (0.111 R)
• M3: 1,157,888 km (0.12 R)
• M4: 1,610,870 km (0.054 R)
• M5: 2,120,550 km (0.086 R)
• M6: 2,588,642 km (0.096 R)
• M7: 3,102,361 km (0.071 R)
• M8: 3,538,438 km (0.074 R)
• M9: 4,130,996 km (0.086 R)
• M10: 5,605,731 km (0.11 R)
• M11: 6,734,597 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.1

Radius: 9.7

Gravity: 8.55 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.48 AU - 2.46 AU

Year: 1785 Days

Day: 11.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,921,027 km

• M1: 120,576 km (0.108 R)
• M2: 1,071,719 km (0.07 R)
• M3: 1,503,907 km (0.104 R)
• M4: 2,529,850 km (0.091 R)
• M5: 3,114,029 km (0.076 R)
• M6: 3,803,675 km (0.1 R)
• M7: 5,839,553 km (0.088 R)
• M8: 11,681,200 km (0.118 R)
• M9: 12,190,132 km (0.092 R)
• M10: 13,548,182 km (0.076 R)
• M11: 14,777,577 km (0.107 R)
• M12: 15,747,121 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 873.1

Radius: 11.2

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.65 AU - 2.71 AU

Year: 2078 Days

Day: 7.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,921,027 km

• M1: 139,575 km (0.099 R)
• M2: 536,458 km (0.101 R)
• M3: 1,350,270 km (0.066 R)
• M4: 1,701,825 km (0.09 R)
• M5: 2,347,340 km (0.114 R)
• M6: 2,698,297 km (0.107 R)
• M7: 3,182,844 km (0.118 R)
• M8: 4,663,863 km (0.114 R)
• M9: 5,085,729 km (0.107 R)
• M10: 5,460,621 km (0.058 R)
• M11: 7,034,989 km (0.112 R)
• M12: 7,957,859 km (0.055 R)
• M13: 9,508,590 km (0.107 R)
• M14: 10,411,264 km (0.099 R)
• M15: 11,891,385 km (0.114 R)
• M16: 12,554,852 km (0.107 R)
• M17: 13,111,954 km (0.096 R)
• M18: 13,507,341 km (0.073 R)
• M19: 14,835,471 km (0.099 R)
• M20: 15,751,758 km (0.047 R)
• M21: 16,198,757 km (0.109 R)
• M22: 18,072,021 km (0.114 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.2

Radius: 9.7

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 3.71 AU - 5.29 AU

Year: 6164 Days

Day: 7.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,921,027 km

• M1: 125,064 km (0.091 R)
• M2: 433,086 km (0.105 R)
• M3: 1,175,241 km (0.093 R)
• M4: 1,488,798 km (0.091 R)
• M5: 1,951,055 km (0.106 R)
• M6: 2,571,587 km (0.115 R)
• M7: 3,456,010 km (0.077 R)
• M8: 5,029,032 km (0.084 R)
• M9: 5,618,447 km (0.094 R)
• M10: 6,935,357 km (0.073 R)
• M11: 8,085,915 km (0.055 R)
• M12: 11,022,371 km (0.089 R)
• M13: 12,063,572 km (0.1 R)
• M14: 16,426,744 km (0.072 R)
• M15: 19,662,995 km (0.101 R)
• M16: 21,810,023 km (0.072 R)
• M17: 24,109,043 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 141.7

Radius: 8.7

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.44 AU - 5.74 AU

Year: 6349 Days

Day: 8 Hours

Environment

Temp: -205 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 69,921,027 km

• M1: 108,458 km (0.074 R)
• M2: 560,693 km (0.08 R)
• M3: 1,306,438 km (0.057 R)
• M4: 4,048,268 km (0.08 R)
• M5: 4,744,646 km (0.105 R)
• M6: 7,502,034 km (0.072 R)
• M7: 10,224,715 km (0.109 R)
• M8: 12,767,729 km (0.044 R)
• M9: 13,498,814 km (0.118 R)
• M10: 15,295,933 km (0.114 R)
• M11: 16,811,958 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.8

Radius: 5.3

Gravity: 26.37 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 7.96 AU - 9.7 AU

Year: 16942 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 69,921,027 km

• M1: 66,122 km (0.114 R)
• M2: 453,282 km (0.048 R)
• M3: 731,534 km (0.083 R)
• M4: 938,278 km (0.101 R)
• M5: 1,425,668 km (0.082 R)
• M6: 1,787,246 km (0.115 R)
• M7: 3,490,717 km (0.094 R)
• M8: 3,959,856 km (0.095 R)
• M9: 4,706,349 km (0.117 R)
• M10: 12,333,596 km (0.053 R)
• M11: 12,531,814 km (0.118 R)
• M12: 15,688,927 km (0.117 R)
• M13: 16,394,131 km (0.061 R)
• M14: 18,036,866 km (0.047 R)
• M15: 18,206,809 km (0.07 R)
• M16: 20,794,852 km (0.082 R)
• M17: 20,981,849 km (0.078 R)
• M18: 21,549,573 km (0.082 R)
• M19: 26,576,211 km (0.11 R)
• M20: 27,464,673 km (0.099 R)
• M21: 28,372,882 km (0.12 R)
• M22: 30,489,243 km (0.081 R)
• M23: 30,973,342 km (0.108 R)
• M24: 39,005,999 km (0.066 R)
• M25: 39,433,400 km (0.09 R)
• M26: 39,863,943 km (0.03 R)
• M27: 44,497,737 km (0.044 R)
• M28: 50,651,595 km (0.084 R)
• M29: 52,880,454 km (0.072 R)
• M30: 63,820,845 km (0.114 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: 208 - 10,961 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit