🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.88 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.9

Radius: 8.2

Gravity: 14.26 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.69 AU - 1.81 AU

Year: 1598 Days

Day: 7.6 Hours

Environment

Temp: -201 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,683,211 km

• M1: 102,475 km (0.098 R)
• M2: 403,914 km (0.053 R)
• M3: 1,247,796 km (0.116 R)
• M4: 1,649,017 km (0.101 R)
• M5: 1,993,242 km (0.107 R)
• M6: 3,084,409 km (0.083 R)
• M7: 3,858,877 km (0.048 R)
• M8: 4,176,025 km (0.041 R)
• M9: 5,645,973 km (0.097 R)
• M10: 6,934,310 km (0.074 R)
• M11: 7,925,097 km (0.076 R)
• M12: 9,136,989 km (0.091 R)
• M13: 9,702,170 km (0.09 R)
• M14: 9,976,233 km (0.074 R)
• M15: 10,720,034 km (0.097 R)
• M16: 11,424,341 km (0.078 R)
• M17: 13,722,762 km (0.112 R)
• M18: 14,243,363 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.2

Radius: 11.3

Gravity: 4.26 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.39 AU - 2.57 AU

Year: 2696 Days

Day: 7.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 77,683,211 km

• M1: 140,772 km (0.081 R)
• M2: 535,560 km (0.108 R)
• M3: 1,102,387 km (0.118 R)
• M4: 1,541,905 km (0.118 R)
• M5: 2,037,224 km (0.069 R)
• M6: 2,397,605 km (0.104 R)
• M7: 3,019,483 km (0.09 R)
• M8: 3,421,453 km (0.042 R)
• M9: 4,293,160 km (0.116 R)
• M10: 5,378,343 km (0.076 R)
• M11: 5,921,533 km (0.067 R)
• M12: 6,392,915 km (0.072 R)
• M13: 7,651,333 km (0.087 R)
• M14: 8,632,545 km (0.087 R)
• M15: 9,624,678 km (0.081 R)
• M16: 11,631,982 km (0.12 R)
• M17: 12,122,663 km (0.045 R)
• M18: 12,499,650 km (0.08 R)
• M19: 13,014,566 km (0.065 R)
• M20: 15,804,417 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 35.9

Radius: 9.6

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 2.12 AU - 2.96 AU

Year: 2794 Days

Day: 11.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 77,683,211 km

• M1: 119,379 km (0.062 R)
• M2: 595,250 km (0.117 R)
• M3: 1,979,778 km (0.039 R)
• M4: 2,369,032 km (0.09 R)
• M5: 2,741,531 km (0.119 R)
• M6: 3,687,288 km (0.032 R)
• M7: 4,056,496 km (0.106 R)
• M8: 4,970,389 km (0.086 R)
• M9: 6,569,890 km (0.119 R)
• M10: 7,644,152 km (0.075 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.1

Radius: 10.6

Gravity: 5.44 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 3.87 AU - 5.75 AU

Year: 7282 Days

Day: 14.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 77,683,211 km

• M1: 155,432 km (0.034 R)
• M2: 501,751 km (0.118 R)
• M3: 848,220 km (0.053 R)
• M4: 1,219,223 km (0.067 R)
• M5: 1,660,088 km (0.111 R)
• M6: 2,032,287 km (0.068 R)
• M7: 2,460,436 km (0.099 R)
• M8: 3,216,354 km (0.088 R)
• M9: 3,946,541 km (0.05 R)
• M10: 5,215,131 km (0.087 R)
• M11: 6,528,451 km (0.032 R)
• M12: 7,023,919 km (0.084 R)
• M13: 7,582,368 km (0.098 R)
• M14: 8,372,993 km (0.073 R)
• M15: 9,887,671 km (0.03 R)
• M16: 11,577,379 km (0.049 R)
• M17: 12,146,001 km (0.118 R)
• M18: 13,451,691 km (0.091 R)
• M19: 14,490,648 km (0.113 R)
• M20: 15,458,397 km (0.073 R)
• M21: 16,468,482 km (0.119 R)
• M22: 17,724,655 km (0.074 R)
• M23: 21,257,708 km (0.074 R)
• M24: 21,798,055 km (0.101 R)
• M25: 22,665,723 km (0.101 R)
• M26: 23,067,543 km (0.114 R)
• M27: 23,885,694 km (0.104 R)
• M28: 25,234,618 km (0.112 R)
• M29: 26,103,183 km (0.096 R)
• M30: 27,081,553 km (0.032 R)
• M31: 30,356,998 km (0.101 R)
• M32: 36,461,339 km (0.114 R)
• M33: 37,347,408 km (0.117 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 969.7

Radius: 7.6

Gravity: 16.79 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 5.86 AU - 6.76 AU

Year: 10941 Days

Day: 19.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 77,683,211 km

• M1: 94,546 km (0.11 R)
• M2: 844,480 km (0.11 R)
• M3: 1,333,515 km (0.119 R)
• M4: 1,745,209 km (0.083 R)
• M5: 2,540,621 km (0.087 R)
• M6: 2,914,615 km (0.068 R)
• M7: 3,225,031 km (0.094 R)
• M8: 3,912,583 km (0.048 R)
• M9: 4,505,140 km (0.099 R)
• M10: 5,468,550 km (0.112 R)
• M11: 8,588,115 km (0.12 R)
• M12: 9,638,292 km (0.105 R)
• M13: 10,660,045 km (0.117 R)
• M14: 11,574,986 km (0.113 R)
• M15: 15,050,294 km (0.12 R)
• M16: 15,907,340 km (0.101 R)
• M17: 16,721,302 km (0.096 R)
• M18: 17,407,657 km (0.104 R)
• M19: 17,875,450 km (0.095 R)
• M20: 21,123,818 km (0.113 R)
• M21: 24,843,419 km (0.097 R)
• M22: 26,446,061 km (0.117 R)
• M23: 27,797,977 km (0.094 R)
• M24: 28,868,948 km (0.096 R)
• M25: 29,634,740 km (0.091 R)
• M26: 31,550,939 km (0.082 R)
• M27: 34,030,075 km (0.11 R)
• M28: 35,628,229 km (0.077 R)
• M29: 50,098,233 km (0.093 R)
• M30: 52,810,741 km (0.094 R)
• M31: 53,462,838 km (0.12 R)
• M32: 56,975,097 km (0.113 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.3

Radius: 6.8

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 9.84 AU - 10.66 AU

Year: 22652 Days

Day: 15.9 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 77,683,211 km

• M1: 85,869 km (0.098 R)
• M2: 336,146 km (0.101 R)
• M3: 1,066,184 km (0.08 R)
• M4: 1,448,407 km (0.108 R)
• M5: 1,716,037 km (0.069 R)
• M6: 2,464,027 km (0.112 R)
• M7: 3,920,362 km (0.102 R)
• M8: 7,155,715 km (0.03 R)
• M9: 7,736,603 km (0.109 R)
• M10: 9,610,915 km (0.103 R)
• M11: 11,442,143 km (0.079 R)
• M12: 13,278,756 km (0.045 R)
• M13: 14,379,796 km (0.106 R)
• M14: 21,790,875 km (0.113 R)
• M15: 22,090,968 km (0.06 R)
• M16: 22,393,904 km (0.119 R)
• M17: 24,808,413 km (0.049 R)
• M18: 26,360,192 km (0.097 R)
• M19: 30,396,043 km (0.09 R)
• M20: 32,560,276 km (0.103 R)
• M21: 46,903,869 km (0.11 R)
• M22: 58,175,919 km (0.041 R)
• M23: 63,717,473 km (0.064 R)
• M24: 70,687,986 km (0.087 R)
• M25: 76,986,954 km (0.056 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: 349 - 20,099 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit