🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.8

Radius: 10.2

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 0.67 AU - 0.77 AU

Year: 414 Days

Day: 10.1 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,206,625 km

• M1: 126,859 km (0.092 R)
• M2: 480,209 km (0.115 R)
• M3: 806,482 km (0.094 R)
• M4: 1,126,921 km (0.088 R)
• M5: 1,672,953 km (0.043 R)
• M6: 2,351,978 km (0.04 R)
• M7: 2,735,397 km (0.081 R)
• M8: 3,472,167 km (0.09 R)
• M9: 4,024,482 km (0.054 R)
• M10: 4,781,447 km (0.087 R)
• M11: 5,131,506 km (0.09 R)
• M12: 5,647,170 km (0.045 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 752.4

Radius: 11.3

Gravity: 5.89 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.87 AU - 1.21 AU

Year: 719 Days

Day: 7.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 14.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,206,625 km

• M1: 140,622 km (0.084 R)
• M2: 523,293 km (0.102 R)
• M3: 1,047,933 km (0.089 R)
• M4: 1,532,780 km (0.107 R)
• M5: 1,985,313 km (0.114 R)
• M6: 2,356,466 km (0.108 R)
• M7: 3,139,162 km (0.087 R)
• M8: 4,595,347 km (0.11 R)
• M9: 5,344,085 km (0.091 R)
• M10: 6,071,878 km (0.098 R)
• M11: 6,670,868 km (0.055 R)
• M12: 7,106,497 km (0.096 R)
• M13: 7,584,462 km (0.066 R)
• M14: 8,181,208 km (0.114 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.4

Radius: 9.5

Gravity: 0.75 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 1.06 AU - 1.24 AU

Year: 836 Days

Day: 13.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 51,206,625 km

• M1: 118,182 km (0.119 R)
• M2: 418,575 km (0.027 R)
• M3: 748,139 km (0.057 R)
• M4: 1,452,147 km (0.077 R)
• M5: 1,895,854 km (0.045 R)
• M6: 3,491,913 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.5

Radius: 10.8

Gravity: 5.24 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.14 AU - 1.26 AU

Year: 892 Days

Day: 7 Hours

Environment

Temp: -179 °C

Axial Tilt: 21.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 51,206,625 km

• M1: 134,339 km (0.037 R)
• M2: 500,554 km (0.06 R)
• M3: 928,853 km (0.067 R)
• M4: 1,478,027 km (0.076 R)
• M5: 1,942,229 km (0.1 R)
• M6: 2,287,052 km (0.113 R)
• M7: 2,627,088 km (0.074 R)
• M8: 4,118,729 km (0.05 R)
• M9: 4,458,316 km (0.096 R)
• M10: 5,268,239 km (0.118 R)
• M11: 5,669,311 km (0.089 R)
• M12: 6,029,393 km (0.051 R)
• M13: 7,294,841 km (0.08 R)
• M14: 8,835,101 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.3

Radius: 8

Gravity: 8.8 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 1.94 AU - 2.82 AU

Year: 2490 Days

Day: 9.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,206,625 km

• M1: 99,483 km (0.064 R)
• M2: 471,084 km (0.116 R)
• M3: 1,132,007 km (0.081 R)
• M4: 1,390,512 km (0.112 R)
• M5: 1,808,788 km (0.096 R)
• M6: 3,338,576 km (0.044 R)
• M7: 3,729,774 km (0.09 R)
• M8: 4,231,226 km (0.083 R)
• M9: 5,043,991 km (0.048 R)
• M10: 5,584,189 km (0.059 R)
• M11: 6,560,465 km (0.114 R)
• M12: 7,497,097 km (0.096 R)
• M13: 8,781,395 km (0.062 R)
• M14: 9,952,746 km (0.098 R)
• M15: 12,063,273 km (0.1 R)
• M16: 13,463,509 km (0.082 R)
• M17: 14,409,267 km (0.101 R)
• M18: 16,182,002 km (0.057 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 41

Radius: 12.2

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 2.99 AU - 3.59 AU

Year: 4047 Days

Day: 7.4 Hours

Environment

Temp: -206 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 51,206,625 km

• M1: 153,338 km (0.05 R)
• M2: 643,271 km (0.119 R)
• M3: 1,348,176 km (0.035 R)
• M4: 5,116,247 km (0.111 R)
• M5: 8,735,917 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.9

Radius: 13.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 3.03 AU - 4.73 AU

Year: 5184 Days

Day: 5.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,206,625 km

• M1: 170,392 km (0.103 R)
• M2: 624,571 km (0.115 R)
• M3: 1,471,594 km (0.097 R)
• M4: 2,456,397 km (0.087 R)
• M5: 2,952,464 km (0.055 R)
• M6: 4,320,087 km (0.087 R)
• M7: 6,494,343 km (0.112 R)
• M8: 6,992,653 km (0.077 R)
• M9: 8,436,422 km (0.099 R)
• M10: 9,841,446 km (0.111 R)
• M11: 11,189,023 km (0.118 R)
• M12: 12,256,105 km (0.08 R)
• M13: 14,297,368 km (0.112 R)
• M14: 19,282,268 km (0.1 R)
• M15: 20,626,554 km (0.042 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.8

Radius: 11.2

Gravity: 6.35 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 3.12 AU - 4.86 AU

Year: 5406 Days

Day: 12.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 179.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,206,625 km

• M1: 139,276 km (0.112 R)
• M2: 594,053 km (0.096 R)
• M3: 1,160,730 km (0.103 R)
• M4: 2,223,623 km (0.074 R)
• M5: 2,938,401 km (0.045 R)
• M6: 3,986,933 km (0.072 R)
• M7: 4,429,593 km (0.112 R)
• M8: 4,796,257 km (0.104 R)
• M9: 9,078,197 km (0.079 R)
• M10: 9,586,531 km (0.115 R)
• M11: 9,935,842 km (0.033 R)
• M12: 22,763,560 km (0.1 R)
• M13: 23,623,598 km (0.108 R)
• M14: 28,610,593 km (0.106 R)
• M15: 28,972,021 km (0.101 R)
• M16: 29,889,206 km (0.106 R)
• M17: 32,266,914 km (0.088 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.11 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 505.1

Radius: 7.8

Gravity: 8.3 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.03 AU - 7.19 AU

Year: 12859 Days

Day: 16.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 51,206,625 km

• M1: 97,837 km (0.12 R)
• M2: 370,853 km (0.109 R)
• M3: 839,394 km (0.118 R)
• M4: 1,463,217 km (0.118 R)
• M5: 1,933,702 km (0.081 R)
• M6: 2,562,013 km (0.082 R)
• M7: 3,542,777 km (0.088 R)
• M8: 4,816,752 km (0.079 R)
• M9: 6,485,666 km (0.105 R)
• M10: 7,879,619 km (0.104 R)
• M11: 9,712,343 km (0.092 R)
• M12: 10,647,329 km (0.119 R)
• M13: 11,358,966 km (0.083 R)
• M14: 11,985,482 km (0.052 R)
• M15: 12,937,822 km (0.101 R)
• M16: 13,245,395 km (0.12 R)
• M17: 15,606,947 km (0.091 R)
• M18: 17,552,617 km (0.111 R)
• M19: 18,005,899 km (0.113 R)
• M20: 18,778,871 km (0.079 R)
• M21: 22,268,241 km (0.078 R)
• M22: 23,248,855 km (0.096 R)
• M23: 27,561,613 km (0.076 R)
• M24: 27,866,792 km (0.09 R)
• M25: 28,174,216 km (0.119 R)
• M26: 29,426,649 km (0.119 R)
• M27: 38,106,018 km (0.072 R)
• M28: 38,358,390 km (0.056 R)
• M29: 38,993,882 km (0.083 R)
• M30: 40,025,359 km (0.036 R)
• M31: 41,074,938 km (0.083 R)
• M32: 42,142,618 km (0.082 R)
• M33: 49,838,979 km (0.115 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 14,108 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit