🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 796.3

Radius: 8.3

Gravity: 11.56 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 0.52 AU - 0.72 AU

Year: 337 Days

Day: 9.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 42,763,822 km

• M1: 103,372 km (0.075 R)
• M2: 443,109 km (0.106 R)
• M3: 705,952 km (0.106 R)
• M4: 1,003,652 km (0.098 R)
• M5: 1,279,062 km (0.107 R)
• M6: 1,767,349 km (0.111 R)
• M7: 2,035,279 km (0.05 R)
• M8: 2,664,188 km (0.116 R)
• M9: 3,029,506 km (0.056 R)
• M10: 4,536,855 km (0.11 R)
• M11: 4,822,437 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 692.7

Radius: 12.6

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 2.41 AU - 3.33 AU

Year: 3356 Days

Day: 11.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 42,763,822 km

• M1: 157,227 km (0.053 R)
• M2: 1,325,736 km (0.078 R)
• M3: 1,978,731 km (0.045 R)
• M4: 6,701,536 km (0.073 R)
• M5: 8,381,819 km (0.087 R)
• M6: 9,282,847 km (0.12 R)
• M7: 9,970,848 km (0.114 R)
• M8: 11,150,726 km (0.1 R)
• M9: 14,180,083 km (0.075 R)
• M10: 15,197,049 km (0.103 R)
• M11: 18,481,321 km (0.074 R)
• M12: 21,547,030 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165

Radius: 10.2

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.46 AU - 3.76 AU

Year: 4734 Days

Day: 5.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 11.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 42,763,822 km

• M1: 126,859 km (0.103 R)
• M2: 534,663 km (0.08 R)
• M3: 924,964 km (0.062 R)
• M4: 1,923,978 km (0.053 R)
• M5: 2,835,628 km (0.11 R)
• M6: 3,269,312 km (0.083 R)
• M7: 3,746,978 km (0.102 R)
• M8: 4,754,968 km (0.073 R)
• M9: 5,322,393 km (0.095 R)
• M10: 5,985,411 km (0.039 R)
• M11: 8,631,199 km (0.065 R)
• M12: 10,191,804 km (0.037 R)
• M13: 10,789,447 km (0.086 R)
• M14: 11,489,715 km (0.097 R)
• M15: 13,241,506 km (0.075 R)
• M16: 16,852,350 km (0.109 R)
• M17: 17,582,387 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.6

Radius: 13.5

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 3.9 AU - 4.38 AU

Year: 5814 Days

Day: 9.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 42,763,822 km

• M1: 178,321 km (0.108 R)
• M2: 890,407 km (0.098 R)
• M3: 1,520,214 km (0.119 R)
• M4: 2,572,186 km (0.115 R)
• M5: 3,119,415 km (0.114 R)
• M6: 4,476,267 km (0.116 R)
• M7: 4,917,132 km (0.096 R)
• M8: 5,856,906 km (0.099 R)
• M9: 7,222,136 km (0.06 R)
• M10: 8,397,676 km (0.114 R)
• M11: 10,041,907 km (0.093 R)
• M12: 12,539,294 km (0.068 R)
• M13: 14,906,979 km (0.055 R)
• M14: 19,334,178 km (0.095 R)
• M15: 20,160,258 km (0.07 R)
• M16: 21,736,122 km (0.1 R)
• M17: 24,330,747 km (0.107 R)
• M18: 25,375,389 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 973

Radius: 10.6

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 3.95 AU - 4.93 AU

Year: 6458 Days

Day: 10.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 42,763,822 km

• M1: 131,796 km (0.084 R)
• M2: 845,228 km (0.076 R)
• M3: 1,204,412 km (0.113 R)
• M4: 1,667,418 km (0.088 R)
• M5: 2,877,066 km (0.068 R)
• M6: 3,911,386 km (0.094 R)
• M7: 4,271,169 km (0.047 R)
• M8: 4,709,341 km (0.116 R)
• M9: 6,698,843 km (0.08 R)
• M10: 8,885,665 km (0.059 R)
• M11: 10,022,160 km (0.094 R)
• M12: 11,304,214 km (0.088 R)
• M13: 13,485,650 km (0.103 R)
• M14: 13,835,559 km (0.078 R)
• M15: 18,165,819 km (0.076 R)
• M16: 18,664,878 km (0.11 R)
• M17: 22,417,391 km (0.085 R)
• M18: 23,744,174 km (0.055 R)
• M19: 24,599,575 km (0.099 R)
• M20: 24,947,539 km (0.034 R)
• M21: 28,038,531 km (0.112 R)
• M22: 29,382,368 km (0.105 R)
• M23: 31,785,359 km (0.066 R)
• M24: 36,188,772 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 454.2

Radius: 14.5

Gravity: 2.16 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.24 AU - 4.78 AU

Year: 6611 Days

Day: 9.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 42,763,822 km

• M1: 180,415 km (0.095 R)
• M2: 632,949 km (0.03 R)
• M3: 1,138,290 km (0.042 R)
• M4: 1,676,543 km (0.095 R)
• M5: 4,538,799 km (0.086 R)
• M6: 5,808,736 km (0.089 R)
• M7: 7,027,061 km (0.049 R)
• M8: 12,001,639 km (0.117 R)
• M9: 13,117,190 km (0.116 R)
• M10: 15,554,289 km (0.104 R)
• M11: 19,755,596 km (0.108 R)
• M12: 21,093,001 km (0.055 R)
• M13: 22,489,945 km (0.069 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 122.7

Radius: 7.4

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.99 AU - 7.93 AU

Year: 11333 Days

Day: 22.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 108.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,763,822 km

• M1: 106,962 km (0.066 R)
• M2: 600,785 km (0.107 R)
• M3: 882,627 km (0.107 R)
• M4: 1,401,882 km (0.116 R)
• M5: 1,636,002 km (0.108 R)
• M6: 3,210,221 km (0.055 R)
• M7: 5,457,480 km (0.096 R)
• M8: 6,608,037 km (0.083 R)
• M9: 8,858,737 km (0.082 R)
• M10: 9,710,547 km (0.099 R)
• M11: 10,221,125 km (0.065 R)
• M12: 10,615,764 km (0.061 R)
• M13: 11,576,033 km (0.092 R)
• M14: 11,812,996 km (0.095 R)
• M15: 12,198,809 km (0.073 R)
• M16: 12,593,149 km (0.065 R)
• M17: 13,826,882 km (0.077 R)
• M18: 17,137,932 km (0.096 R)
• M19: 17,384,170 km (0.117 R)
• M20: 18,845,592 km (0.114 R)
• M21: 19,841,764 km (0.044 R)
• M22: 25,434,032 km (0.101 R)
• M23: 25,834,954 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 124.9

Radius: 4.4

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 8.29 AU - 10.41 AU

Year: 19735 Days

Day: 23.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 42,763,822 km

• M1: 54,902 km (0.113 R)
• M2: 334,052 km (0.102 R)
• M3: 771,327 km (0.095 R)
• M4: 1,064,389 km (0.078 R)
• M5: 1,674,748 km (0.116 R)
• M6: 4,574,404 km (0.066 R)
• M7: 5,141,230 km (0.077 R)
• M8: 5,990,946 km (0.108 R)
• M9: 6,270,245 km (0.095 R)
• M10: 7,121,756 km (0.12 R)
• M11: 7,475,106 km (0.047 R)
• M12: 8,301,934 km (0.085 R)
• M13: 11,041,968 km (0.097 R)
• M14: 14,392,213 km (0.071 R)
• M15: 15,212,009 km (0.056 R)
• M16: 21,112,000 km (0.062 R)
• M17: 21,272,368 km (0.097 R)
• M18: 23,089,983 km (0.102 R)
• M19: 25,368,508 km (0.086 R)
• M20: 27,600,957 km (0.113 R)
• M21: 29,859,885 km (0.1 R)
• M22: 33,311,855 km (0.035 R)
• M23: 40,252,149 km (0.078 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 15,495 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit