🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.2

Radius: 12.7

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.41 AU - 0.61 AU

Year: 251 Days

Day: 9.9 Hours

Environment

Temp: -131 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 68,007,352 km

• M1: 158,125 km (0.042 R)
• M2: 679,623 km (0.092 R)
• M3: 1,134,849 km (0.119 R)
• M4: 1,798,765 km (0.094 R)
• M5: 2,470,908 km (0.059 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.7

Radius: 9.9

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.77 AU - 1.07 AU

Year: 609 Days

Day: 10.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 68,007,352 km

• M1: 131,497 km (0.088 R)
• M2: 494,870 km (0.078 R)
• M3: 1,022,651 km (0.116 R)
• M4: 1,503,459 km (0.046 R)
• M5: 1,815,669 km (0.07 R)
• M6: 2,790,299 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.9

Radius: 14.2

Gravity: 3.28 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.18 AU - 1.34 AU

Year: 976 Days

Day: 14 Hours

Environment

Temp: -179 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 68,007,352 km

• M1: 176,675 km (0.102 R)
• M2: 680,670 km (0.117 R)
• M3: 1,366,577 km (0.079 R)
• M4: 1,863,989 km (0.085 R)
• M5: 2,340,758 km (0.059 R)
• M6: 2,874,822 km (0.099 R)
• M7: 4,771,274 km (0.032 R)
• M8: 5,461,220 km (0.09 R)
• M9: 6,721,283 km (0.116 R)
• M10: 7,517,143 km (0.115 R)
• M11: 8,374,938 km (0.115 R)
• M12: 9,899,938 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 250.4

Radius: 8.3

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 1.34 AU - 1.46 AU

Year: 1143 Days

Day: 8.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 68,007,352 km

• M1: 103,223 km (0.102 R)
• M2: 384,467 km (0.113 R)
• M3: 660,624 km (0.086 R)
• M4: 1,029,533 km (0.118 R)
• M5: 1,422,077 km (0.118 R)
• M6: 2,676,456 km (0.111 R)
• M7: 4,047,969 km (0.103 R)
• M8: 4,465,945 km (0.094 R)
• M9: 5,067,628 km (0.11 R)
• M10: 7,790,459 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810

Radius: 13.1

Gravity: 4.72 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 1.59 AU - 1.73 AU

Year: 1476 Days

Day: 6 Hours

Environment

Temp: -186 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,007,352 km

• M1: 162,912 km (0.107 R)
• M2: 930,948 km (0.075 R)
• M3: 1,379,592 km (0.087 R)
• M4: 2,378,905 km (0.08 R)
• M5: 2,795,984 km (0.086 R)
• M6: 5,343,337 km (0.099 R)
• M7: 7,010,904 km (0.108 R)
• M8: 8,340,081 km (0.032 R)
• M9: 8,910,498 km (0.047 R)
• M10: 9,700,375 km (0.092 R)
• M11: 10,536,627 km (0.087 R)
• M12: 12,936,177 km (0.079 R)
• M13: 13,742,659 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 773.4

Radius: 12.5

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.75 AU - 2.19 AU

Year: 1909 Days

Day: 9.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 68,007,352 km

• M1: 155,582 km (0.095 R)
• M2: 546,930 km (0.109 R)
• M3: 1,090,718 km (0.051 R)
• M4: 1,761,216 km (0.083 R)
• M5: 2,266,258 km (0.09 R)
• M6: 3,174,766 km (0.108 R)
• M7: 4,352,101 km (0.039 R)
• M8: 4,953,634 km (0.076 R)
• M9: 6,479,233 km (0.081 R)
• M10: 7,784,774 km (0.101 R)
• M11: 9,060,694 km (0.074 R)
• M12: 9,629,017 km (0.034 R)
• M13: 13,987,102 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 955.9

Radius: 11.4

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.78 AU - 4.02 AU

Year: 5316 Days

Day: 12.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,007,352 km

• M1: 141,819 km (0.083 R)
• M2: 519,703 km (0.115 R)
• M3: 1,135,149 km (0.109 R)
• M4: 1,566,888 km (0.054 R)
• M5: 2,093,323 km (0.107 R)
• M6: 2,502,174 km (0.101 R)
• M7: 4,260,697 km (0.101 R)
• M8: 4,785,935 km (0.069 R)
• M9: 5,178,929 km (0.09 R)
• M10: 7,368,742 km (0.099 R)
• M11: 8,485,640 km (0.074 R)
• M12: 11,945,540 km (0.06 R)
• M13: 12,778,351 km (0.045 R)
• M14: 13,263,646 km (0.079 R)
• M15: 15,389,283 km (0.044 R)
• M16: 17,012,719 km (0.063 R)
• M17: 17,403,019 km (0.114 R)
• M18: 21,340,136 km (0.103 R)
• M19: 22,100,692 km (0.05 R)
• M20: 22,487,851 km (0.103 R)
• M21: 24,656,721 km (0.054 R)
• M22: 25,156,976 km (0.12 R)
• M23: 26,785,948 km (0.057 R)
• M24: 31,019,567 km (0.1 R)
• M25: 35,151,760 km (0.114 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.9

Radius: 13.9

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 4.85 AU - 5.63 AU

Year: 8280 Days

Day: 7.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 68,007,352 km

• M1: 175,628 km (0.089 R)
• M2: 635,342 km (0.116 R)
• M3: 1,360,742 km (0.096 R)
• M4: 2,410,022 km (0.115 R)
• M5: 3,194,513 km (0.116 R)
• M6: 6,291,189 km (0.114 R)
• M7: 7,248,166 km (0.092 R)
• M8: 8,799,197 km (0.097 R)
• M9: 12,876,188 km (0.099 R)
• M10: 14,536,126 km (0.116 R)
• M11: 16,078,330 km (0.081 R)
• M12: 17,187,599 km (0.038 R)
• M13: 19,125,041 km (0.053 R)
• M14: 19,998,543 km (0.045 R)
• M15: 21,435,729 km (0.119 R)
• M16: 22,298,610 km (0.104 R)
• M17: 23,430,318 km (0.029 R)
• M18: 25,112,995 km (0.086 R)
• M19: 35,073,969 km (0.108 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 580.5

Radius: 8

Gravity: 9.07 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.91 AU - 10.91 AU

Year: 18358 Days

Day: 21.1 Hours

Environment

Temp: -244 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 68,007,352 km

• M1: 99,483 km (0.083 R)
• M2: 701,764 km (0.099 R)
• M3: 1,279,361 km (0.12 R)
• M4: 1,932,954 km (0.117 R)
• M5: 2,452,208 km (0.084 R)
• M6: 4,221,353 km (0.084 R)
• M7: 5,498,619 km (0.035 R)
• M8: 5,884,133 km (0.11 R)
• M9: 6,454,101 km (0.088 R)
• M10: 8,039,988 km (0.1 R)
• M11: 10,266,752 km (0.079 R)
• M12: 10,615,315 km (0.075 R)
• M13: 12,477,958 km (0.12 R)
• M14: 14,331,925 km (0.119 R)
• M15: 14,988,659 km (0.026 R)
• M16: 15,513,299 km (0.097 R)
• M17: 19,357,665 km (0.107 R)
• M18: 19,622,753 km (0.074 R)
• M19: 20,523,631 km (0.082 R)
• M20: 22,214,386 km (0.08 R)
• M21: 23,491,802 km (0.093 R)
• M22: 23,793,541 km (0.094 R)
• M23: 27,729,162 km (0.096 R)
• M24: 32,573,889 km (0.107 R)
• M25: 34,478,569 km (0.032 R)
• M26: 42,543,690 km (0.113 R)
• M27: 43,142,231 km (0.067 R)
• M28: 45,126,198 km (0.096 R)
• M29: 46,219,160 km (0.079 R)
• M30: 48,947,227 km (0.099 R)
• M31: 58,321,927 km (0.069 R)
• M32: 59,246,142 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 537 - 20,082 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit