🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 628.9

Radius: 9.8

Gravity: 6.55 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.49 AU - 0.67 AU

Year: 310 Days

Day: 9.6 Hours

Environment

Temp: -142 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,797,608 km

• M1: 121,922 km (0.091 R)
• M2: 490,681 km (0.094 R)
• M3: 1,089,671 km (0.116 R)
• M4: 1,433,447 km (0.08 R)
• M5: 1,871,918 km (0.066 R)
• M6: 2,239,779 km (0.059 R)
• M7: 2,815,432 km (0.06 R)
• M8: 4,011,916 km (0.119 R)
• M9: 4,588,765 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 619.2

Radius: 12.1

Gravity: 4.23 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.49 AU - 0.77 AU

Year: 351 Days

Day: 7.5 Hours

Environment

Temp: -159 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,797,608 km

• M1: 150,495 km (0.104 R)
• M2: 552,914 km (0.061 R)
• M3: 948,451 km (0.098 R)
• M4: 1,524,402 km (0.03 R)
• M5: 1,980,676 km (0.047 R)
• M6: 2,421,541 km (0.096 R)
• M7: 2,838,769 km (0.032 R)
• M8: 3,218,000 km (0.089 R)
• M9: 3,619,520 km (0.087 R)
• M10: 4,470,732 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 392.1

Radius: 12.3

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 0.72 AU - 0.76 AU

Year: 447 Days

Day: 8.6 Hours

Environment

Temp: -171 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,797,608 km

• M1: 153,039 km (0.108 R)
• M2: 547,827 km (0.083 R)
• M3: 1,131,558 km (0.082 R)
• M4: 1,743,563 km (0.068 R)
• M5: 2,196,396 km (0.036 R)
• M6: 3,066,457 km (0.097 R)
• M7: 3,501,189 km (0.111 R)
• M8: 3,964,643 km (0.073 R)
• M9: 4,362,124 km (0.11 R)
• M10: 5,001,655 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.1

Radius: 13.3

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 0.79 AU - 1.15 AU

Year: 672 Days

Day: 10.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,797,608 km

• M1: 165,455 km (0.058 R)
• M2: 607,517 km (0.043 R)
• M3: 1,094,159 km (0.093 R)
• M4: 1,872,965 km (0.053 R)
• M5: 2,583,705 km (0.114 R)
• M6: 3,367,897 km (0.11 R)
• M7: 3,947,289 km (0.115 R)
• M8: 4,733,127 km (0.096 R)
• M9: 5,324,637 km (0.113 R)
• M10: 5,746,204 km (0.091 R)
• M11: 6,304,503 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 677.3

Radius: 13

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 1.06 AU - 1.42 AU

Year: 971 Days

Day: 14.8 Hours

Environment

Temp: -188 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,797,608 km

• M1: 161,715 km (0.102 R)
• M2: 672,592 km (0.106 R)
• M3: 1,127,669 km (0.099 R)
• M4: 1,557,015 km (0.068 R)
• M5: 2,018,823 km (0.081 R)
• M6: 2,714,603 km (0.099 R)
• M7: 3,550,855 km (0.101 R)
• M8: 3,959,108 km (0.118 R)
• M9: 4,798,950 km (0.108 R)
• M10: 6,256,033 km (0.077 R)
• M11: 6,696,449 km (0.092 R)
• M12: 7,964,890 km (0.103 R)
• M13: 8,562,982 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 818.1

Radius: 12.4

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.12 AU - 1.7 AU

Year: 1177 Days

Day: 7.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,797,608 km

• M1: 154,235 km (0.113 R)
• M2: 785,090 km (0.104 R)
• M3: 1,231,190 km (0.093 R)
• M4: 2,074,174 km (0.104 R)
• M5: 2,811,393 km (0.117 R)
• M6: 3,862,916 km (0.087 R)
• M7: 4,884,071 km (0.108 R)
• M8: 5,364,729 km (0.102 R)
• M9: 6,009,945 km (0.062 R)
• M10: 7,824,417 km (0.105 R)
• M11: 8,626,860 km (0.119 R)
• M12: 10,526,005 km (0.037 R)
• M13: 11,296,883 km (0.101 R)
• M14: 12,141,064 km (0.108 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 46.4

Radius: 14.9

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 2.78 AU - 3.9 AU

Year: 4291 Days

Day: 14.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,797,608 km

• M1: 186,100 km (0.097 R)
• M2: 1,054,366 km (0.119 R)
• M3: 3,104,605 km (0.116 R)
• M4: 5,078,698 km (0.065 R)
• M5: 5,844,789 km (0.103 R)
• M6: 6,594,424 km (0.059 R)
• M7: 9,916,244 km (0.065 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.7

Radius: 7.4

Gravity: 9.93 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 7.5 AU - 9.38 AU

Year: 17235 Days

Day: 18.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,797,608 km

• M1: 92,152 km (0.117 R)
• M2: 488,886 km (0.076 R)
• M3: 1,123,630 km (0.066 R)
• M4: 1,598,004 km (0.09 R)
• M5: 2,573,831 km (0.048 R)
• M6: 5,192,542 km (0.057 R)
• M7: 5,820,105 km (0.058 R)
• M8: 8,592,453 km (0.078 R)
• M9: 10,012,286 km (0.112 R)
• M10: 10,347,984 km (0.107 R)
• M11: 10,923,936 km (0.067 R)
• M12: 11,582,166 km (0.069 R)
• M13: 14,410,164 km (0.075 R)
• M14: 16,949,140 km (0.115 R)
• M15: 19,338,218 km (0.053 R)
• M16: 19,946,931 km (0.058 R)
• M17: 20,838,385 km (0.043 R)
• M18: 21,849,517 km (0.094 R)
• M19: 23,086,243 km (0.072 R)
• M20: 24,570,253 km (0.102 R)
• M21: 28,057,230 km (0.12 R)
• M22: 29,175,774 km (0.095 R)
• M23: 32,831,796 km (0.085 R)
• M24: 34,705,659 km (0.056 R)
• M25: 35,863,696 km (0.062 R)
• M26: 36,386,540 km (0.116 R)
• M27: 41,037,837 km (0.12 R)
• M28: 41,753,663 km (0.114 R)
• M29: 50,675,680 km (0.067 R)
• M30: 57,518,137 km (0.081 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 468 - 13,081 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit