🌌 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: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 32.9

Radius: 8.3

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.52 AU - 0.6 AU

Year: 289 Days

Day: 5.1 Hours

Environment

Temp: -146 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 77,169,497 km

• M1: 103,522 km (0.091 R)
• M2: 382,223 km (0.104 R)
• M3: 942,317 km (0.084 R)
• M4: 1,270,385 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 925.3

Radius: 14.8

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 0.66 AU - 0.82 AU

Year: 439 Days

Day: 8.4 Hours

Environment

Temp: -159 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 77,169,497 km

• M1: 184,903 km (0.077 R)
• M2: 679,922 km (0.051 R)
• M3: 1,166,265 km (0.068 R)
• M4: 1,727,556 km (0.102 R)
• M5: 2,730,760 km (0.114 R)
• M6: 3,334,387 km (0.08 R)
• M7: 5,001,356 km (0.099 R)
• M8: 5,840,899 km (0.065 R)
• M9: 6,351,028 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 507.2

Radius: 14.8

Gravity: 2.32 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.96 AU - 1.46 AU

Year: 919 Days

Day: 9.9 Hours

Environment

Temp: -179 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 77,169,497 km

• M1: 184,005 km (0.07 R)
• M2: 689,048 km (0.12 R)
• M3: 1,158,187 km (0.116 R)
• M4: 1,802,056 km (0.081 R)
• M5: 2,819,321 km (0.109 R)
• M6: 3,715,712 km (0.044 R)
• M7: 4,478,960 km (0.104 R)
• M8: 5,038,456 km (0.112 R)
• M9: 5,530,783 km (0.052 R)
• M10: 6,055,423 km (0.112 R)
• M11: 8,001,242 km (0.093 R)
• M12: 8,803,386 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.8

Radius: 13

Gravity: 5.83 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 1.44 AU - 1.48 AU

Year: 1218 Days

Day: 5.8 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 77,169,497 km

• M1: 161,865 km (0.077 R)
• M2: 620,682 km (0.075 R)
• M3: 1,162,375 km (0.11 R)
• M4: 1,763,759 km (0.061 R)
• M5: 2,322,208 km (0.086 R)
• M6: 3,507,472 km (0.113 R)
• M7: 4,550,169 km (0.086 R)
• M8: 5,546,790 km (0.109 R)
• M9: 6,272,938 km (0.099 R)
• M10: 8,600,082 km (0.072 R)
• M11: 9,078,197 km (0.105 R)
• M12: 10,756,087 km (0.031 R)
• M13: 11,741,039 km (0.104 R)
• M14: 12,330,455 km (0.078 R)
• M15: 13,212,035 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.2

Radius: 9.2

Gravity: 9.5 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.28 AU - 1.78 AU

Year: 1306 Days

Day: 12.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 77,169,497 km

• M1: 114,442 km (0.101 R)
• M2: 586,573 km (0.071 R)
• M3: 1,050,027 km (0.115 R)
• M4: 1,479,972 km (0.091 R)
• M5: 3,101,313 km (0.115 R)
• M6: 3,481,292 km (0.119 R)
• M7: 3,892,088 km (0.043 R)
• M8: 5,217,226 km (0.068 R)
• M9: 5,801,405 km (0.114 R)
• M10: 6,598,164 km (0.079 R)
• M11: 6,896,163 km (0.053 R)
• M12: 7,790,010 km (0.115 R)
• M13: 8,236,410 km (0.114 R)
• M14: 9,211,339 km (0.074 R)
• M15: 9,806,440 km (0.113 R)
• M16: 10,866,490 km (0.119 R)
• M17: 12,559,340 km (0.048 R)
• M18: 12,941,113 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.8

Radius: 11.3

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 2.22 AU - 3 AU

Year: 2911 Days

Day: 13.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 77,169,497 km

• M1: 140,622 km (0.096 R)
• M2: 537,505 km (0.105 R)
• M3: 1,012,628 km (0.113 R)
• M4: 1,575,116 km (0.111 R)
• M5: 2,051,286 km (0.113 R)
• M6: 2,485,419 km (0.069 R)
• M7: 3,154,122 km (0.069 R)
• M8: 3,579,727 km (0.035 R)
• M9: 4,547,177 km (0.115 R)
• M10: 5,067,927 km (0.047 R)
• M11: 6,371,673 km (0.106 R)
• M12: 7,304,864 km (0.073 R)
• M13: 7,854,187 km (0.083 R)
• M14: 8,500,450 km (0.112 R)
• M15: 8,999,060 km (0.057 R)
• M16: 9,441,870 km (0.084 R)
• M17: 10,694,453 km (0.08 R)
• M18: 11,922,352 km (0.072 R)
• M19: 12,593,298 km (0.073 R)
• M20: 15,637,017 km (0.111 R)
• M21: 21,138,478 km (0.119 R)
• M22: 21,593,405 km (0.065 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.4

Radius: 13.4

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 3.11 AU - 3.55 AU

Year: 4194 Days

Day: 7.9 Hours

Environment

Temp: -210 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 77,169,497 km

• M1: 166,951 km (0.097 R)
• M2: 596,297 km (0.104 R)
• M3: 1,074,562 km (0.118 R)
• M4: 1,744,012 km (0.105 R)
• M5: 2,527,007 km (0.11 R)
• M6: 3,247,471 km (0.082 R)
• M7: 3,746,529 km (0.117 R)
• M8: 5,281,104 km (0.115 R)
• M9: 6,228,657 km (0.083 R)
• M10: 6,921,295 km (0.072 R)
• M11: 7,576,384 km (0.06 R)
• M12: 9,311,719 km (0.107 R)
• M13: 10,693,705 km (0.082 R)
• M14: 13,641,830 km (0.096 R)
• M15: 15,044,011 km (0.104 R)
• M16: 15,564,162 km (0.095 R)
• M17: 17,043,685 km (0.071 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.6

Radius: 7.4

Gravity: 6.06 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.29 AU - 7.09 AU

Year: 10630 Days

Day: 23.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 77,169,497 km

• M1: 92,003 km (0.106 R)
• M2: 373,247 km (0.11 R)
• M3: 688,599 km (0.1 R)
• M4: 1,349,672 km (0.057 R)
• M5: 1,711,998 km (0.088 R)
• M6: 2,154,509 km (0.062 R)
• M7: 2,827,101 km (0.075 R)
• M8: 4,471,480 km (0.084 R)
• M9: 5,010,182 km (0.082 R)
• M10: 5,249,539 km (0.075 R)
• M11: 6,423,134 km (0.081 R)
• M12: 7,962,047 km (0.029 R)
• M13: 8,624,467 km (0.085 R)
• M14: 9,548,982 km (0.117 R)
• M15: 9,871,365 km (0.087 R)
• M16: 10,981,980 km (0.037 R)
• M17: 11,854,734 km (0.112 R)
• M18: 12,552,907 km (0.104 R)
• M19: 13,506,743 km (0.109 R)
• M20: 14,750,649 km (0.089 R)
• M21: 17,328,221 km (0.1 R)
• M22: 19,228,562 km (0.07 R)
• M23: 19,669,128 km (0.108 R)
• M24: 20,799,639 km (0.115 R)
• M25: 21,973,085 km (0.099 R)
• M26: 25,054,951 km (0.037 R)
• M27: 32,992,464 km (0.11 R)
• M28: 35,128,123 km (0.086 R)
• M29: 36,229,912 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667

Radius: 4.7

Gravity: 30.19 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 6.79 AU - 9.77 AU

Year: 16446 Days

Day: 23.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 77,169,497 km

• M1: 60,587 km (0.08 R)
• M2: 350,209 km (0.096 R)
• M3: 653,593 km (0.086 R)
• M4: 1,207,554 km (0.12 R)
• M5: 2,703,982 km (0.056 R)
• M6: 3,017,239 km (0.059 R)
• M7: 3,891,639 km (0.049 R)
• M8: 7,934,821 km (0.059 R)
• M9: 8,525,283 km (0.118 R)
• M10: 9,091,960 km (0.052 R)
• M11: 9,793,425 km (0.052 R)
• M12: 10,588,537 km (0.062 R)
• M13: 10,823,406 km (0.099 R)
• M14: 11,672,823 km (0.108 R)
• M15: 12,113,837 km (0.11 R)
• M16: 14,343,593 km (0.118 R)
• M17: 14,631,270 km (0.112 R)
• M18: 16,204,741 km (0.057 R)
• M19: 16,438,412 km (0.063 R)
• M20: 17,314,308 km (0.057 R)
• M21: 20,579,431 km (0.074 R)
• M22: 21,315,602 km (0.039 R)
• M23: 21,502,300 km (0.04 R)
• M24: 22,452,396 km (0.079 R)
• M25: 22,937,842 km (0.038 R)
• M26: 24,131,333 km (0.088 R)
• M27: 25,470,234 km (0.12 R)
• M28: 30,843,341 km (0.085 R)
• M29: 33,414,330 km (0.103 R)
• M30: 34,558,604 km (0.118 R)
• M31: 36,523,273 km (0.089 R)
• M32: 40,817,181 km (0.103 R)
• M33: 44,668,428 km (0.075 R)
• M34: 46,681,716 km (0.1 R)
• M35: 51,222,012 km (0.089 R)
• M36: 57,661,153 km (0.112 R)
• M37: 61,734,404 km (0.091 R)
• M38: 63,261,948 km (0.074 R)

Asteroid Belt

Center: 9.27 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 10.25 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 557.1

Radius: 4.7

Gravity: 25.22 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 8.59 AU - 11.91 AU

Year: 22652 Days

Day: 15.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 77,169,497 km

• M1: 58,493 km (0.115 R)
• M2: 205,398 km (0.083 R)
• M3: 464,651 km (0.082 R)
• M4: 675,285 km (0.1 R)
• M5: 1,046,437 km (0.051 R)
• M6: 1,337,106 km (0.116 R)
• M7: 1,493,436 km (0.114 R)
• M8: 1,679,685 km (0.106 R)
• M9: 1,862,344 km (0.07 R)
• M10: 2,514,890 km (0.113 R)
• M11: 2,705,477 km (0.053 R)
• M12: 2,854,926 km (0.111 R)
• M13: 3,280,233 km (0.117 R)
• M14: 3,508,369 km (0.09 R)
• M15: 3,996,058 km (0.091 R)
• M16: 4,527,879 km (0.104 R)
• M17: 6,807,900 km (0.117 R)
• M18: 7,466,729 km (0.061 R)
• M19: 8,480,105 km (0.084 R)
• M20: 10,048,489 km (0.111 R)
• M21: 17,995,128 km (0.103 R)
• M22: 19,989,716 km (0.082 R)
• M23: 20,750,122 km (0.079 R)
• M24: 20,943,253 km (0.045 R)
• M25: 22,227,551 km (0.116 R)
• M26: 26,621,091 km (0.105 R)
• M27: 27,891,177 km (0.114 R)
• M28: 28,839,926 km (0.091 R)
• M29: 32,589,747 km (0.082 R)
• M30: 37,359,824 km (0.079 R)
• M31: 37,933,083 km (0.095 R)
• M32: 45,599,376 km (0.101 R)
• M33: 49,448,379 km (0.107 R)
• M34: 58,743,643 km (0.036 R)
• M35: 73,303,256 km (0.103 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 14,128 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit