🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 524.9

Radius: 10.1

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.43 AU - 0.65 AU

Year: 279 Days

Day: 13.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 53,972,464 km

• M1: 126,111 km (0.085 R)
• M2: 451,786 km (0.045 R)
• M3: 804,687 km (0.084 R)
• M4: 1,524,552 km (0.048 R)
• M5: 1,848,132 km (0.081 R)
• M6: 2,187,420 km (0.092 R)
• M7: 2,975,053 km (0.082 R)
• M8: 3,341,119 km (0.106 R)
• M9: 3,781,834 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.2

Radius: 13.1

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.44 AU - 0.72 AU

Year: 310 Days

Day: 14.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,972,464 km

• M1: 162,912 km (0.08 R)
• M2: 629,957 km (0.069 R)
• M3: 1,098,048 km (0.067 R)
• M4: 1,605,036 km (0.095 R)
• M5: 2,068,191 km (0.09 R)
• M6: 2,482,577 km (0.093 R)
• M7: 3,324,065 km (0.098 R)
• M8: 4,222,998 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 17.3

Radius: 12.7

Gravity: 0.11 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.23 AU - 1.41 AU

Year: 1066 Days

Day: 11 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 53,972,464 km

• M1: 157,975 km (0.12 R)
• M2: 1,077,703 km (0.116 R)
• M3: 1,545,346 km (0.105 R)
• M4: 2,443,980 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 36.6

Radius: 14.9

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.25 AU - 1.69 AU

Year: 1253 Days

Day: 12.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 53,972,464 km

• M1: 185,801 km (0.062 R)
• M2: 798,404 km (0.062 R)
• M3: 1,913,506 km (0.092 R)
• M4: 2,506,064 km (0.104 R)
• M5: 3,398,415 km (0.093 R)
• M6: 3,972,721 km (0.097 R)
• M7: 4,442,608 km (0.102 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.4

Radius: 10.3

Gravity: 7.2 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 1.94 AU - 2.26 AU

Year: 2139 Days

Day: 6.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 53,972,464 km

• M1: 128,056 km (0.116 R)
• M2: 581,188 km (0.073 R)
• M3: 1,291,778 km (0.078 R)
• M4: 1,693,747 km (0.103 R)
• M5: 2,104,244 km (0.1 R)
• M6: 2,815,282 km (0.042 R)
• M7: 3,277,241 km (0.09 R)
• M8: 3,864,113 km (0.082 R)
• M9: 4,395,185 km (0.044 R)
• M10: 5,676,940 km (0.087 R)
• M11: 6,444,227 km (0.091 R)
• M12: 7,905,350 km (0.074 R)
• M13: 8,502,545 km (0.099 R)
• M14: 9,129,509 km (0.106 R)
• M15: 10,401,839 km (0.077 R)
• M16: 11,788,761 km (0.092 R)
• M17: 13,824,788 km (0.089 R)
• M18: 14,368,427 km (0.117 R)
• M19: 15,020,524 km (0.071 R)
• M20: 16,484,339 km (0.09 R)
• M21: 16,839,185 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 178.5

Radius: 13.3

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.06 AU - 2.86 AU

Year: 2712 Days

Day: 14.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 53,972,464 km

• M1: 165,455 km (0.079 R)
• M2: 600,037 km (0.098 R)
• M3: 1,776,924 km (0.099 R)
• M4: 2,226,465 km (0.075 R)
• M5: 2,983,430 km (0.037 R)
• M6: 3,872,490 km (0.075 R)
• M7: 4,379,627 km (0.067 R)
• M8: 5,528,838 km (0.114 R)
• M9: 7,327,453 km (0.117 R)
• M10: 8,275,754 km (0.116 R)
• M11: 10,549,043 km (0.098 R)
• M12: 12,601,377 km (0.114 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.81 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 306.1

Radius: 7.1

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 5.03 AU - 6.59 AU

Year: 9844 Days

Day: 19.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,972,464 km

• M1: 95,743 km (0.108 R)
• M2: 332,556 km (0.109 R)
• M3: 613,800 km (0.109 R)
• M4: 840,590 km (0.086 R)
• M5: 1,376,600 km (0.088 R)
• M6: 2,351,828 km (0.094 R)
• M7: 2,984,627 km (0.115 R)
• M8: 7,746,926 km (0.079 R)
• M9: 7,980,598 km (0.107 R)
• M10: 10,161,136 km (0.042 R)
• M11: 10,823,107 km (0.103 R)
• M12: 11,972,318 km (0.11 R)
• M13: 12,443,401 km (0.067 R)
• M14: 14,393,709 km (0.092 R)
• M15: 17,123,720 km (0.094 R)
• M16: 19,384,742 km (0.12 R)
• M17: 26,548,237 km (0.062 R)
• M18: 29,848,216 km (0.106 R)
• M19: 31,695,600 km (0.107 R)
• M20: 35,509,448 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 721.2

Radius: 3

Gravity: 80.13 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 7.23 AU - 7.45 AU

Year: 13978 Days

Day: 23.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 53,972,464 km

• M1: 37,998 km (0.11 R)
• M2: 204,500 km (0.056 R)
• M3: 482,154 km (0.08 R)
• M4: 966,552 km (0.05 R)
• M5: 1,346,231 km (0.119 R)
• M6: 1,492,688 km (0.066 R)
• M7: 1,665,922 km (0.086 R)
• M8: 1,977,983 km (0.116 R)
• M9: 2,187,121 km (0.062 R)
• M10: 2,539,125 km (0.108 R)
• M11: 2,951,416 km (0.102 R)
• M12: 4,681,217 km (0.045 R)
• M13: 5,333,912 km (0.048 R)
• M14: 5,738,425 km (0.091 R)
• M15: 5,967,459 km (0.113 R)
• M16: 8,903,766 km (0.113 R)
• M17: 9,158,980 km (0.108 R)
• M18: 10,063,449 km (0.079 R)
• M19: 10,396,304 km (0.092 R)
• M20: 10,565,499 km (0.066 R)
• M21: 13,131,252 km (0.076 R)
• M22: 14,278,070 km (0.065 R)
• M23: 15,271,250 km (0.056 R)
• M24: 19,448,471 km (0.096 R)
• M25: 20,051,500 km (0.087 R)
• M26: 21,385,315 km (0.069 R)
• M27: 22,400,336 km (0.106 R)
• M28: 24,426,340 km (0.084 R)
• M29: 26,993,290 km (0.119 R)
• M30: 33,018,344 km (0.112 R)
• M31: 33,875,391 km (0.104 R)
• M32: 36,665,690 km (0.094 R)
• M33: 39,331,823 km (0.119 R)
• M34: 41,132,383 km (0.09 R)
• M35: 46,251,473 km (0.109 R)
• M36: 49,200,496 km (0.099 R)
• M37: 51,288,882 km (0.119 R)
• M38: 52,602,950 km (0.087 R)
• M39: 58,438,463 km (0.101 R)
• M40: 58,794,656 km (0.047 R)
• M41: 59,152,195 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.7

Radius: 6.3

Gravity: 9.94 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.45 AU - 9.33 AU

Year: 15578 Days

Day: 24.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 53,972,464 km

• M1: 78,389 km (0.069 R)
• M2: 318,793 km (0.114 R)
• M3: 526,136 km (0.104 R)
• M4: 755,320 km (0.116 R)
• M5: 1,108,670 km (0.114 R)
• M6: 2,992,107 km (0.083 R)
• M7: 3,327,057 km (0.091 R)
• M8: 3,686,840 km (0.107 R)
• M9: 3,987,382 km (0.111 R)
• M10: 4,988,191 km (0.102 R)
• M11: 7,012,400 km (0.079 R)
• M12: 8,228,481 km (0.088 R)
• M13: 9,938,385 km (0.085 R)
• M14: 10,521,368 km (0.118 R)
• M15: 10,738,883 km (0.112 R)
• M16: 12,467,636 km (0.112 R)
• M17: 15,257,038 km (0.045 R)
• M18: 19,642,350 km (0.094 R)
• M19: 22,209,749 km (0.116 R)
• M20: 23,388,580 km (0.047 R)
• M21: 28,522,629 km (0.11 R)
• M22: 35,811,785 km (0.102 R)
• M23: 41,214,662 km (0.096 R)
• M24: 42,301,939 km (0.109 R)
• M25: 46,257,906 km (0.041 R)
• M26: 49,992,467 km (0.043 R)
• M27: 50,917,730 km (0.104 R)
• M28: 52,011,589 km (0.089 R)
• M29: 52,326,942 km (0.067 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 194.4

Radius: 6.4

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 9.44 AU - 10.68 AU

Year: 22429 Days

Day: 21.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 53,972,464 km

• M1: 81,082 km (0.082 R)
• M2: 585,825 km (0.065 R)
• M3: 2,087,638 km (0.078 R)
• M4: 2,809,448 km (0.113 R)
• M5: 3,083,811 km (0.05 R)
• M6: 3,606,954 km (0.08 R)
• M7: 6,189,911 km (0.102 R)
• M8: 6,938,200 km (0.103 R)
• M9: 8,286,076 km (0.096 R)
• M10: 11,662,351 km (0.114 R)
• M11: 16,288,515 km (0.091 R)
• M12: 20,111,339 km (0.094 R)
• M13: 22,906,725 km (0.116 R)
• M14: 24,302,024 km (0.104 R)
• M15: 25,263,041 km (0.102 R)
• M16: 31,342,549 km (0.083 R)
• M17: 36,806,013 km (0.108 R)
• M18: 37,057,038 km (0.097 R)
• M19: 40,158,501 km (0.099 R)
• M20: 46,872,154 km (0.119 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 493 - 13,348 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit