🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

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: 157

Radius: 14.1

Gravity: 0.79 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.55 AU - 0.89 AU

Year: 401 Days

Day: 6.7 Hours

Environment

Temp: -144 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 70,975,185 km

• M1: 176,226 km (0.115 R)
• M2: 655,239 km (0.073 R)
• M3: 1,255,575 km (0.092 R)
• M4: 1,972,897 km (0.062 R)
• M5: 2,599,712 km (0.068 R)
• M6: 3,196,906 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.2

Radius: 13.2

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 0.91 AU - 1.25 AU

Year: 736 Days

Day: 6.7 Hours

Environment

Temp: -153 °C

Axial Tilt: 1.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 70,975,185 km

• M1: 164,258 km (0.046 R)
• M2: 587,172 km (0.107 R)
• M3: 1,046,587 km (0.086 R)
• M4: 1,688,960 km (0.102 R)
• M5: 2,191,758 km (0.066 R)
• M6: 2,782,371 km (0.1 R)
• M7: 3,436,413 km (0.111 R)
• M8: 4,753,772 km (0.091 R)
• M9: 5,329,125 km (0.096 R)
• M10: 6,011,291 km (0.114 R)
• M11: 6,663,538 km (0.092 R)
• M12: 7,503,530 km (0.12 R)
• M13: 8,618,782 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 21.5

Radius: 13

Gravity: 0.13 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 1.26 AU - 1.4 AU

Year: 1006 Days

Day: 12.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,975,185 km

• M1: 161,715 km (0.073 R)
• M2: 846,724 km (0.045 R)
• M3: 1,586,635 km (0.073 R)
• M4: 2,230,355 km (0.111 R)
• M5: 2,686,927 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.2

Radius: 9.7

Gravity: 5.87 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.17 AU - 1.91 AU

Year: 1254 Days

Day: 6.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,975,185 km

• M1: 120,576 km (0.096 R)
• M2: 428,149 km (0.037 R)
• M3: 849,566 km (0.101 R)
• M4: 1,239,269 km (0.077 R)
• M5: 1,561,203 km (0.067 R)
• M6: 1,939,686 km (0.101 R)
• M7: 2,266,258 km (0.113 R)
• M8: 2,580,563 km (0.092 R)
• M9: 2,991,209 km (0.115 R)
• M10: 3,298,633 km (0.093 R)
• M11: 3,831,501 km (0.05 R)
• M12: 4,144,160 km (0.104 R)
• M13: 4,474,024 km (0.05 R)
• M14: 4,877,938 km (0.034 R)
• M15: 5,549,931 km (0.094 R)
• M16: 6,170,912 km (0.099 R)
• M17: 7,424,842 km (0.093 R)
• M18: 8,700,163 km (0.055 R)
• M19: 9,331,167 km (0.089 R)
• M20: 9,778,614 km (0.072 R)
• M21: 10,620,252 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 874.5

Radius: 11.5

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 1.88 AU - 2.88 AU

Year: 2409 Days

Day: 12.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 70,975,185 km

• M1: 143,016 km (0.101 R)
• M2: 502,499 km (0.076 R)
• M3: 963,709 km (0.098 R)
• M4: 1,412,653 km (0.079 R)
• M5: 2,381,149 km (0.053 R)
• M6: 2,873,027 km (0.058 R)
• M7: 3,307,759 km (0.096 R)
• M8: 3,709,728 km (0.117 R)
• M9: 4,679,571 km (0.103 R)
• M10: 5,309,079 km (0.078 R)
• M11: 5,785,249 km (0.083 R)
• M12: 6,344,745 km (0.107 R)
• M13: 8,407,400 km (0.077 R)
• M14: 10,109,974 km (0.059 R)
• M15: 11,365,848 km (0.098 R)
• M16: 12,679,168 km (0.118 R)
• M17: 13,717,078 km (0.12 R)
• M18: 16,690,784 km (0.113 R)
• M19: 18,159,686 km (0.07 R)
• M20: 18,782,162 km (0.069 R)
• M21: 19,536,136 km (0.116 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.3

Radius: 14.8

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 2.11 AU - 2.85 AU

Year: 2562 Days

Day: 6.5 Hours

Environment

Temp: -187 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,975,185 km

• M1: 186,249 km (0.058 R)
• M2: 874,250 km (0.11 R)
• M3: 1,542,055 km (0.079 R)
• M4: 2,429,320 km (0.06 R)
• M5: 3,438,357 km (0.065 R)
• M6: 4,623,771 km (0.116 R)
• M7: 5,481,565 km (0.077 R)
• M8: 6,226,413 km (0.095 R)
• M9: 7,214,357 km (0.112 R)
• M10: 7,950,528 km (0.096 R)
• M11: 10,694,752 km (0.117 R)
• M12: 12,069,407 km (0.071 R)
• M13: 12,975,521 km (0.061 R)
• M14: 16,120,966 km (0.037 R)
• M15: 17,060,141 km (0.09 R)
• M16: 17,761,007 km (0.066 R)
• M17: 18,481,022 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.5

Radius: 14.4

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.23 AU - 5.09 AU

Year: 6599 Days

Day: 14.6 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,975,185 km

• M1: 179,069 km (0.101 R)
• M2: 1,095,356 km (0.101 R)
• M3: 1,728,155 km (0.074 R)
• M4: 2,708,769 km (0.061 R)
• M5: 4,998,514 km (0.08 R)
• M6: 5,574,316 km (0.101 R)
• M7: 6,083,098 km (0.071 R)
• M8: 7,225,727 km (0.071 R)
• M9: 9,973,540 km (0.063 R)
• M10: 14,470,153 km (0.075 R)
• M11: 18,948,814 km (0.107 R)
• M12: 20,795,750 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 463.2

Radius: 6.3

Gravity: 11.67 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 4.59 AU - 7.39 AU

Year: 9617 Days

Day: 21.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 70,975,185 km

• M1: 78,688 km (0.086 R)
• M2: 345,870 km (0.108 R)
• M3: 602,580 km (0.063 R)
• M4: 938,577 km (0.085 R)
• M5: 1,273,676 km (0.042 R)
• M6: 2,134,014 km (0.068 R)
• M7: 2,486,616 km (0.103 R)
• M8: 3,757,001 km (0.084 R)
• M9: 6,169,416 km (0.103 R)
• M10: 6,484,918 km (0.106 R)
• M11: 7,615,280 km (0.062 R)
• M12: 8,185,547 km (0.06 R)
• M13: 9,138,336 km (0.057 R)
• M14: 10,114,910 km (0.064 R)
• M15: 10,406,327 km (0.056 R)
• M16: 10,803,509 km (0.104 R)
• M17: 12,773,265 km (0.055 R)
• M18: 14,970,409 km (0.111 R)
• M19: 16,657,274 km (0.104 R)
• M20: 16,927,597 km (0.062 R)
• M21: 24,851,049 km (0.103 R)
• M22: 25,204,100 km (0.049 R)
• M23: 26,926,869 km (0.098 R)
• M24: 32,564,165 km (0.1 R)
• M25: 34,386,417 km (0.064 R)
• M26: 35,824,950 km (0.106 R)
• M27: 38,467,596 km (0.101 R)
• M28: 39,656,002 km (0.09 R)
• M29: 40,259,330 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 139.3

Radius: 3.2

Gravity: 13.6 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.04 AU - 6.5 AU

Year: 10299 Days

Day: 23 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 70,975,185 km

• M1: 39,793 km (0.115 R)
• M2: 183,407 km (0.059 R)
• M3: 358,137 km (0.059 R)
• M4: 697,425 km (0.079 R)
• M5: 954,285 km (0.096 R)
• M6: 1,795,623 km (0.113 R)
• M7: 3,155,468 km (0.087 R)
• M8: 3,521,683 km (0.074 R)
• M9: 5,217,525 km (0.107 R)
• M10: 5,728,252 km (0.029 R)
• M11: 6,947,924 km (0.11 R)
• M12: 9,552,722 km (0.088 R)
• M13: 15,637,615 km (0.109 R)
• M14: 15,926,040 km (0.106 R)
• M15: 16,752,718 km (0.088 R)
• M16: 19,205,524 km (0.064 R)
• M17: 20,689,685 km (0.111 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 459.4

Radius: 3

Gravity: 51.04 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 8.18 AU - 12.62 AU

Year: 22002 Days

Day: 24.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 70,975,185 km

• M1: 37,250 km (0.111 R)
• M2: 153,936 km (0.088 R)
• M3: 281,543 km (0.108 R)
• M4: 555,307 km (0.078 R)
• M5: 1,080,545 km (0.117 R)
• M6: 1,561,353 km (0.104 R)
• M7: 2,427,824 km (0.104 R)
• M8: 2,874,972 km (0.091 R)
• M9: 3,264,974 km (0.098 R)
• M10: 3,868,601 km (0.113 R)
• M11: 4,085,518 km (0.065 R)
• M12: 5,482,912 km (0.083 R)
• M13: 6,204,572 km (0.101 R)
• M14: 6,588,141 km (0.078 R)
• M15: 6,897,210 km (0.085 R)
• M16: 7,123,851 km (0.082 R)
• M17: 7,449,376 km (0.048 R)
• M18: 7,687,984 km (0.08 R)
• M19: 9,447,255 km (0.094 R)
• M20: 9,954,242 km (0.032 R)
• M21: 12,428,441 km (0.058 R)
• M22: 12,562,032 km (0.107 R)
• M23: 12,899,824 km (0.113 R)
• M24: 27,294,580 km (0.106 R)
• M25: 28,319,475 km (0.056 R)
• M26: 28,550,604 km (0.093 R)
• M27: 30,688,208 km (0.05 R)
• M28: 35,412,359 km (0.088 R)
• M29: 38,016,559 km (0.045 R)
• M30: 39,581,053 km (0.111 R)
• M31: 49,709,876 km (0.082 R)
• M32: 54,024,429 km (0.062 R)
• M33: 57,096,720 km (0.111 R)
• M34: 58,021,983 km (0.064 R)
• M35: 58,581,928 km (0.101 R)
• M36: 62,602,670 km (0.091 R)
• M37: 68,451,946 km (0.063 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 539 - 13,943 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit