🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 276.5

Radius: 11.9

Gravity: 1.95 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.53 AU - 0.57 AU

Year: 282 Days

Day: 8.4 Hours

Environment

Temp: -143 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 39,762,918 km

• M1: 147,952 km (0.115 R)
• M2: 570,566 km (0.1 R)
• M3: 1,047,933 km (0.114 R)
• M4: 1,479,224 km (0.042 R)
• M5: 1,963,921 km (0.117 R)
• M6: 2,917,607 km (0.09 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 230.8

Radius: 11.5

Gravity: 1.75 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 0.55 AU - 0.67 AU

Year: 329 Days

Day: 5.8 Hours

Environment

Temp: -148 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 39,762,918 km

• M1: 183,407 km (0.04 R)
• M2: 591,061 km (0.112 R)
• M3: 1,450,950 km (0.057 R)
• M4: 2,251,598 km (0.1 R)
• M5: 2,739,436 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.1

Radius: 13.2

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 0.57 AU - 0.93 AU

Year: 448 Days

Day: 13.6 Hours

Environment

Temp: -153 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 39,762,918 km

• M1: 164,408 km (0.034 R)
• M2: 665,112 km (0.107 R)
• M3: 1,118,244 km (0.119 R)
• M4: 1,591,721 km (0.103 R)
• M5: 2,208,214 km (0.112 R)
• M6: 3,066,158 km (0.098 R)
• M7: 3,509,267 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 807.3

Radius: 8.9

Gravity: 10.19 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.49 AU - 2.43 AU

Year: 1894 Days

Day: 11.7 Hours

Environment

Temp: -191 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,762,918 km

• M1: 111,151 km (0.066 R)
• M2: 706,850 km (0.061 R)
• M3: 1,064,688 km (0.112 R)
• M4: 1,592,170 km (0.081 R)
• M5: 2,026,602 km (0.111 R)
• M6: 2,443,083 km (0.092 R)
• M7: 3,313,742 km (0.093 R)
• M8: 4,317,993 km (0.116 R)
• M9: 4,793,415 km (0.102 R)
• M10: 5,077,352 km (0.107 R)
• M11: 5,442,371 km (0.104 R)
• M12: 6,302,109 km (0.113 R)
• M13: 6,616,863 km (0.102 R)
• M14: 6,942,089 km (0.104 R)
• M15: 7,478,996 km (0.109 R)
• M16: 8,012,761 km (0.068 R)
• M17: 8,828,518 km (0.084 R)
• M18: 9,629,765 km (0.068 R)
• M19: 10,809,344 km (0.095 R)
• M20: 12,042,778 km (0.089 R)
• M21: 15,017,083 km (0.11 R)
• M22: 15,438,051 km (0.079 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 897.5

Radius: 14

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 4.3 AU - 4.4 AU

Year: 6262 Days

Day: 13.2 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 39,762,918 km

• M1: 185,053 km (0.102 R)
• M2: 670,049 km (0.087 R)
• M3: 1,547,590 km (0.087 R)
• M4: 2,047,845 km (0.091 R)
• M5: 2,583,555 km (0.12 R)
• M6: 4,588,316 km (0.046 R)
• M7: 5,333,762 km (0.068 R)
• M8: 7,515,797 km (0.078 R)
• M9: 8,388,102 km (0.082 R)
• M10: 9,415,391 km (0.108 R)
• M11: 11,312,142 km (0.045 R)
• M12: 11,980,396 km (0.119 R)
• M13: 14,320,406 km (0.079 R)
• M14: 15,287,406 km (0.065 R)
• M15: 16,426,744 km (0.096 R)
• M16: 18,171,504 km (0.103 R)
• M17: 20,334,839 km (0.046 R)
• M18: 20,939,513 km (0.118 R)
• M19: 22,584,342 km (0.064 R)
• M20: 24,145,396 km (0.091 R)
• M21: 26,845,188 km (0.067 R)
• M22: 29,934,235 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 124.4

Radius: 14.6

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.45 AU - 5.07 AU

Year: 7168 Days

Day: 8 Hours

Environment

Temp: -225 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 39,762,918 km

• M1: 188,344 km (0.059 R)
• M2: 649,853 km (0.095 R)
• M3: 1,383,332 km (0.118 R)
• M4: 2,107,236 km (0.1 R)
• M5: 2,909,080 km (0.114 R)
• M6: 3,520,187 km (0.105 R)
• M7: 4,908,755 km (0.106 R)
• M8: 5,833,419 km (0.106 R)
• M9: 6,841,859 km (0.113 R)
• M10: 7,898,169 km (0.078 R)
• M11: 11,639,462 km (0.096 R)
• M12: 12,914,635 km (0.057 R)
• M13: 14,724,320 km (0.107 R)
• M14: 15,227,567 km (0.112 R)
• M15: 16,375,133 km (0.11 R)
• M16: 20,473,665 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 206.7

Radius: 4.9

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 6.97 AU - 7.73 AU

Year: 13754 Days

Day: 15.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 39,762,918 km

• M1: 61,485 km (0.118 R)
• M2: 444,605 km (0.104 R)
• M3: 637,736 km (0.099 R)
• M4: 859,889 km (0.088 R)
• M5: 1,313,769 km (0.109 R)
• M6: 1,867,281 km (0.103 R)
• M7: 2,023,461 km (0.118 R)
• M8: 2,397,904 km (0.12 R)
• M9: 2,797,181 km (0.097 R)
• M10: 3,108,644 km (0.059 R)
• M11: 3,630,740 km (0.096 R)
• M12: 4,451,733 km (0.082 R)
• M13: 6,277,875 km (0.087 R)
• M14: 7,847,456 km (0.111 R)
• M15: 8,091,150 km (0.107 R)
• M16: 8,940,268 km (0.083 R)
• M17: 9,523,101 km (0.047 R)
• M18: 11,895,275 km (0.095 R)
• M19: 12,271,214 km (0.058 R)
• M20: 13,972,591 km (0.059 R)
• M21: 15,190,467 km (0.109 R)
• M22: 15,379,110 km (0.046 R)
• M23: 15,954,314 km (0.082 R)
• M24: 16,411,485 km (0.104 R)
• M25: 17,835,357 km (0.08 R)
• M26: 19,934,365 km (0.042 R)
• M27: 21,711,887 km (0.096 R)
• M28: 22,111,912 km (0.115 R)
• M29: 23,174,805 km (0.099 R)
• M30: 32,617,572 km (0.115 R)
• M31: 36,408,083 km (0.085 R)
• M32: 37,887,606 km (0.108 R)
• M33: 39,525,253 km (0.072 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 15,728 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit