🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

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: 142.7

Radius: 13.3

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.59 AU - 0.85 AU

Year: 394 Days

Day: 7.7 Hours

Environment

Temp: -136 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,659,635 km

• M1: 165,455 km (0.092 R)
• M2: 590,014 km (0.102 R)
• M3: 1,036,115 km (0.093 R)
• M4: 1,570,927 km (0.103 R)
• M5: 2,018,973 km (0.117 R)
• M6: 2,569,044 km (0.095 R)
• M7: 3,001,980 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.2

Radius: 13.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.53 AU - 1.99 AU

Year: 1508 Days

Day: 7.6 Hours

Environment

Temp: -185 °C

Axial Tilt: 1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 83,659,635 km

• M1: 169,195 km (0.073 R)
• M2: 680,820 km (0.088 R)
• M3: 1,118,842 km (0.113 R)
• M4: 1,613,114 km (0.102 R)
• M5: 2,285,706 km (0.102 R)
• M6: 3,286,067 km (0.108 R)
• M7: 3,826,564 km (0.083 R)
• M8: 5,106,523 km (0.071 R)
• M9: 6,502,271 km (0.068 R)
• M10: 8,189,436 km (0.063 R)
• M11: 8,679,818 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.4

Radius: 9.6

Gravity: 9.64 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 1.63 AU - 2.23 AU

Year: 1731 Days

Day: 10.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 83,659,635 km

• M1: 119,379 km (0.118 R)
• M2: 504,444 km (0.06 R)
• M3: 834,457 km (0.111 R)
• M4: 1,279,660 km (0.09 R)
• M5: 1,588,131 km (0.111 R)
• M6: 2,219,883 km (0.11 R)
• M7: 2,800,921 km (0.102 R)
• M8: 3,548,910 km (0.116 R)
• M9: 5,254,625 km (0.064 R)
• M10: 5,863,788 km (0.115 R)
• M11: 6,389,475 km (0.049 R)
• M12: 7,709,377 km (0.064 R)
• M13: 8,844,525 km (0.114 R)
• M14: 9,878,546 km (0.086 R)
• M15: 11,908,439 km (0.104 R)
• M16: 15,428,926 km (0.1 R)
• M17: 15,853,335 km (0.08 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 933.2

Radius: 10.7

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 2.36 AU - 2.6 AU

Year: 2522 Days

Day: 11.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 83,659,635 km

• M1: 133,142 km (0.096 R)
• M2: 470,336 km (0.082 R)
• M3: 968,796 km (0.098 R)
• M4: 1,492,089 km (0.102 R)
• M5: 1,940,733 km (0.077 R)
• M6: 3,130,934 km (0.104 R)
• M7: 3,755,655 km (0.088 R)
• M8: 4,572,609 km (0.072 R)
• M9: 5,555,018 km (0.083 R)
• M10: 5,974,640 km (0.049 R)
• M11: 7,966,984 km (0.063 R)
• M12: 9,312,168 km (0.112 R)
• M13: 9,680,179 km (0.105 R)
• M14: 12,140,615 km (0.063 R)
• M15: 13,773,775 km (0.088 R)
• M16: 14,349,428 km (0.113 R)
• M17: 15,651,677 km (0.034 R)
• M18: 16,225,684 km (0.06 R)
• M19: 16,598,333 km (0.095 R)
• M20: 17,250,280 km (0.089 R)
• M21: 20,152,479 km (0.119 R)
• M22: 21,209,089 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.2

Radius: 13.1

Gravity: 5.34 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 2.37 AU - 2.89 AU

Year: 2754 Days

Day: 10.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,659,635 km

• M1: 164,707 km (0.102 R)
• M2: 624,571 km (0.102 R)
• M3: 1,242,410 km (0.086 R)
• M4: 1,715,439 km (0.119 R)
• M5: 2,295,729 km (0.098 R)
• M6: 3,266,470 km (0.032 R)
• M7: 3,856,334 km (0.112 R)
• M8: 4,653,092 km (0.104 R)
• M9: 5,530,932 km (0.073 R)
• M10: 7,112,481 km (0.12 R)
• M11: 8,587,815 km (0.057 R)
• M12: 9,013,721 km (0.09 R)
• M13: 10,062,701 km (0.092 R)
• M14: 11,657,564 km (0.049 R)
• M15: 13,273,819 km (0.088 R)
• M16: 15,343,057 km (0.086 R)
• M17: 16,131,737 km (0.044 R)
• M18: 17,733,032 km (0.052 R)
• M19: 18,308,984 km (0.092 R)
• M20: 21,703,360 km (0.101 R)
• M21: 22,362,638 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 631.9

Radius: 4.8

Gravity: 27.43 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 7.49 AU - 7.67 AU

Year: 13475 Days

Day: 21.7 Hours

Environment

Temp: -232 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,659,635 km

• M1: 91,105 km (0.078 R)
• M2: 1,673,103 km (0.088 R)
• M3: 1,923,081 km (0.069 R)
• M4: 2,275,084 km (0.065 R)
• M5: 2,940,047 km (0.118 R)
• M6: 5,138,537 km (0.116 R)
• M7: 5,594,661 km (0.074 R)
• M8: 8,241,197 km (0.092 R)
• M9: 9,417,784 km (0.118 R)
• M10: 10,046,095 km (0.059 R)
• M11: 10,926,778 km (0.105 R)
• M12: 13,942,671 km (0.057 R)
• M13: 14,210,900 km (0.082 R)
• M14: 17,316,103 km (0.107 R)
• M15: 17,704,160 km (0.05 R)
• M16: 24,338,526 km (0.074 R)
• M17: 29,174,427 km (0.071 R)
• M18: 35,352,819 km (0.101 R)
• M19: 39,475,737 km (0.101 R)
• M20: 41,238,299 km (0.038 R)
• M21: 45,799,239 km (0.093 R)
• M22: 47,592,767 km (0.06 R)
• M23: 54,073,347 km (0.04 R)
• M24: 54,901,820 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.8

Radius: 3.9

Gravity: 49.76 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 9.54 AU - 11.44 AU

Year: 21937 Days

Day: 15.6 Hours

Environment

Temp: -240 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,659,635 km

• M1: 63,130 km (0.066 R)
• M2: 282,890 km (0.056 R)
• M3: 926,759 km (0.097 R)
• M4: 1,354,908 km (0.05 R)
• M5: 1,657,844 km (0.089 R)
• M6: 2,216,891 km (0.06 R)
• M7: 4,745,992 km (0.117 R)
• M8: 7,416,464 km (0.116 R)
• M9: 9,528,337 km (0.112 R)
• M10: 9,705,760 km (0.044 R)
• M11: 10,499,826 km (0.08 R)
• M12: 15,451,366 km (0.072 R)
• M13: 20,559,535 km (0.115 R)
• M14: 24,747,976 km (0.099 R)
• M15: 31,256,231 km (0.112 R)
• M16: 33,383,214 km (0.057 R)
• M17: 41,115,778 km (0.106 R)
• M18: 49,428,333 km (0.054 R)
• M19: 49,960,004 km (0.108 R)
• M20: 60,191,900 km (0.055 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 408 - 13,634 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit