🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.5

Radius: 14.5

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 0.5 AU - 0.56 AU

Year: 257 Days

Day: 5 Hours

Environment

Temp: -136 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,883,608 km

• M1: 180,265 km (0.056 R)
• M2: 651,648 km (0.098 R)
• M3: 1,170,005 km (0.079 R)
• M4: 1,755,232 km (0.07 R)
• M5: 2,341,506 km (0.066 R)
• M6: 3,163,097 km (0.061 R)
• M7: 3,642,409 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 710.7

Radius: 13.2

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.69 AU - 0.91 AU

Year: 477 Days

Day: 5.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,883,608 km

• M1: 164,258 km (0.1 R)
• M2: 638,185 km (0.067 R)
• M3: 2,207,317 km (0.104 R)
• M4: 2,840,864 km (0.09 R)
• M5: 3,916,771 km (0.096 R)
• M6: 4,866,568 km (0.072 R)
• M7: 6,365,090 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 463.6

Radius: 9.5

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.87 AU - 0.95 AU

Year: 579 Days

Day: 6.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,883,608 km

• M1: 118,482 km (0.083 R)
• M2: 438,771 km (0.09 R)
• M3: 772,075 km (0.093 R)
• M4: 1,400,236 km (0.087 R)
• M5: 1,730,548 km (0.027 R)
• M6: 2,165,878 km (0.096 R)
• M7: 2,482,726 km (0.083 R)
• M8: 2,788,205 km (0.113 R)
• M9: 3,188,080 km (0.069 R)
• M10: 3,525,274 km (0.065 R)
• M11: 3,899,717 km (0.061 R)
• M12: 4,272,216 km (0.117 R)
• M13: 5,636,848 km (0.034 R)
• M14: 5,952,050 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.3

Radius: 11.4

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 4 AU - 5.5 AU

Year: 6904 Days

Day: 13 Hours

Environment

Temp: -215 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 83,883,608 km

• M1: 143,913 km (0.045 R)
• M2: 504,893 km (0.057 R)
• M3: 1,020,856 km (0.036 R)
• M4: 1,746,854 km (0.04 R)
• M5: 2,489,608 km (0.112 R)
• M6: 3,226,228 km (0.075 R)
• M7: 3,706,437 km (0.119 R)
• M8: 5,258,664 km (0.118 R)
• M9: 5,926,469 km (0.104 R)
• M10: 6,740,730 km (0.049 R)
• M11: 7,334,634 km (0.102 R)
• M12: 8,065,569 km (0.115 R)
• M13: 9,946,762 km (0.092 R)
• M14: 11,310,197 km (0.117 R)
• M15: 13,608,021 km (0.12 R)
• M16: 14,303,651 km (0.118 R)
• M17: 16,813,155 km (0.092 R)
• M18: 17,382,674 km (0.093 R)
• M19: 19,540,474 km (0.118 R)
• M20: 21,536,857 km (0.103 R)
• M21: 23,313,183 km (0.051 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 966.5

Radius: 5

Gravity: 38.66 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.43 AU - 8.29 AU

Year: 13315 Days

Day: 15.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 83,883,608 km

• M1: 62,382 km (0.119 R)
• M2: 313,707 km (0.067 R)
• M3: 895,044 km (0.083 R)
• M4: 1,244,804 km (0.066 R)
• M5: 2,335,223 km (0.049 R)
• M6: 2,662,543 km (0.096 R)
• M7: 3,462,892 km (0.115 R)
• M8: 3,918,267 km (0.108 R)
• M9: 4,222,549 km (0.052 R)
• M10: 4,575,301 km (0.089 R)
• M11: 9,415,092 km (0.089 R)
• M12: 12,164,252 km (0.102 R)
• M13: 12,549,765 km (0.109 R)
• M14: 13,345,327 km (0.096 R)
• M15: 14,103,489 km (0.104 R)
• M16: 16,785,629 km (0.109 R)
• M17: 19,701,292 km (0.117 R)
• M18: 24,732,118 km (0.081 R)
• M19: 27,377,009 km (0.114 R)
• M20: 29,971,335 km (0.071 R)
• M21: 30,204,408 km (0.063 R)
• M22: 37,231,768 km (0.053 R)
• M23: 37,636,281 km (0.097 R)
• M24: 40,408,180 km (0.06 R)
• M25: 44,211,108 km (0.118 R)
• M26: 47,926,969 km (0.059 R)
• M27: 48,405,682 km (0.103 R)
• M28: 54,227,583 km (0.068 R)
• M29: 55,972,791 km (0.097 R)
• M30: 56,681,287 km (0.051 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116

Radius: 6.7

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 7.22 AU - 9.04 AU

Year: 15458 Days

Day: 19.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 24.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 83,883,608 km

• M1: 115,639 km (0.111 R)
• M2: 406,308 km (0.052 R)
• M3: 787,334 km (0.081 R)
• M4: 1,425,069 km (0.087 R)
• M5: 1,918,892 km (0.036 R)
• M6: 2,330,136 km (0.091 R)
• M7: 3,755,655 km (0.084 R)
• M8: 4,143,562 km (0.09 R)
• M9: 4,914,589 km (0.07 R)
• M10: 5,319,401 km (0.09 R)
• M11: 6,328,289 km (0.054 R)
• M12: 7,838,629 km (0.068 R)
• M13: 9,752,285 km (0.089 R)
• M14: 10,913,165 km (0.059 R)
• M15: 12,163,504 km (0.069 R)
• M16: 14,945,725 km (0.038 R)
• M17: 15,794,842 km (0.088 R)
• M18: 16,547,918 km (0.093 R)
• M19: 21,728,792 km (0.106 R)
• M20: 23,860,262 km (0.11 R)
• M21: 24,352,289 km (0.095 R)
• M22: 25,868,613 km (0.101 R)
• M23: 29,743,946 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 818.2

Radius: 4.3

Gravity: 44.25 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 9.3 AU - 10.76 AU

Year: 21183 Days

Day: 20.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 83,883,608 km

• M1: 54,304 km (0.066 R)
• M2: 309,069 km (0.115 R)
• M3: 592,856 km (0.089 R)
• M4: 1,443,470 km (0.12 R)
• M5: 2,294,383 km (0.118 R)
• M6: 2,931,221 km (0.11 R)
• M7: 4,403,862 km (0.108 R)
• M8: 5,581,197 km (0.049 R)
• M9: 6,488,808 km (0.114 R)
• M10: 6,765,115 km (0.099 R)
• M11: 6,906,335 km (0.098 R)
• M12: 9,324,435 km (0.082 R)
• M13: 9,676,439 km (0.106 R)
• M14: 11,239,138 km (0.076 R)
• M15: 12,463,298 km (0.057 R)
• M16: 13,924,719 km (0.119 R)
• M17: 15,093,079 km (0.1 R)
• M18: 15,578,225 km (0.103 R)
• M19: 17,534,366 km (0.089 R)
• M20: 21,315,752 km (0.099 R)
• M21: 21,518,008 km (0.108 R)
• M22: 23,827,201 km (0.067 R)
• M23: 26,180,525 km (0.098 R)
• M24: 27,116,260 km (0.103 R)
• M25: 27,353,671 km (0.095 R)
• M26: 31,082,847 km (0.077 R)
• M27: 31,473,447 km (0.111 R)
• M28: 34,023,493 km (0.099 R)
• M29: 34,299,650 km (0.044 R)
• M30: 38,924,169 km (0.114 R)
• M31: 44,935,012 km (0.094 R)
• M32: 47,468,601 km (0.033 R)
• M33: 51,535,718 km (0.112 R)
• M34: 62,189,780 km (0.102 R)
• M35: 70,350,194 km (0.045 R)
• M36: 77,513,389 km (0.03 R)
• M37: 78,712,416 km (0.087 R)
• M38: 80,901,780 km (0.064 R)
• M39: 83,883,565 km (0.117 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 424 - 15,021 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit