🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335.6

Radius: 11.3

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.63 AU - 0.87 AU

Year: 441 Days

Day: 14.8 Hours

Environment

Temp: -162 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,124,841 km

• M1: 140,472 km (0.081 R)
• M2: 494,122 km (0.046 R)
• M3: 943,663 km (0.093 R)
• M4: 1,361,939 km (0.062 R)
• M5: 1,729,202 km (0.091 R)
• M6: 2,277,328 km (0.054 R)
• M7: 2,652,669 km (0.094 R)
• M8: 3,267,367 km (0.101 R)
• M9: 3,620,717 km (0.101 R)
• M10: 4,470,882 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 279.1

Radius: 14.4

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 0.78 AU - 0.96 AU

Year: 550 Days

Day: 12.1 Hours

Environment

Temp: -160 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 64,124,841 km

• M1: 179,069 km (0.052 R)
• M2: 637,287 km (0.055 R)
• M3: 1,203,515 km (0.109 R)
• M4: 1,985,463 km (0.074 R)
• M5: 2,516,087 km (0.033 R)
• M6: 2,975,801 km (0.1 R)
• M7: 3,760,741 km (0.091 R)
• M8: 4,447,395 km (0.1 R)
• M9: 4,979,664 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 234.1

Radius: 13.5

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 0.76 AU - 1.02 AU

Year: 569 Days

Day: 8.3 Hours

Environment

Temp: -171 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 64,124,841 km

• M1: 169,943 km (0.1 R)
• M2: 943,663 km (0.088 R)
• M3: 1,366,277 km (0.073 R)
• M4: 1,811,780 km (0.046 R)
• M5: 2,918,056 km (0.083 R)
• M6: 3,673,376 km (0.094 R)
• M7: 4,474,622 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 350.9

Radius: 12.4

Gravity: 2.28 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 1.47 AU - 1.79 AU

Year: 1411 Days

Day: 13 Hours

Environment

Temp: -184 °C

Axial Tilt: 21.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,124,841 km

• M1: 154,684 km (0.093 R)
• M2: 608,564 km (0.064 R)
• M3: 1,014,872 km (0.059 R)
• M4: 1,705,117 km (0.037 R)
• M5: 2,194,302 km (0.105 R)
• M6: 2,915,513 km (0.072 R)
• M7: 3,432,074 km (0.116 R)
• M8: 4,171,686 km (0.103 R)
• M9: 5,477,676 km (0.113 R)
• M10: 6,969,166 km (0.081 R)
• M11: 8,078,285 km (0.059 R)
• M12: 8,607,562 km (0.036 R)
• M13: 9,358,843 km (0.096 R)
• M14: 10,244,163 km (0.068 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.9

Radius: 11.4

Gravity: 7.25 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.64 AU - 1.72 AU

Year: 1477 Days

Day: 8.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,124,841 km

• M1: 141,819 km (0.117 R)
• M2: 516,561 km (0.087 R)
• M3: 938,427 km (0.101 R)
• M4: 1,432,848 km (0.052 R)
• M5: 1,963,622 km (0.099 R)
• M6: 2,325,499 km (0.114 R)
• M7: 3,375,975 km (0.104 R)
• M8: 3,743,088 km (0.113 R)
• M9: 4,903,818 km (0.085 R)
• M10: 5,601,842 km (0.037 R)
• M11: 6,490,154 km (0.088 R)
• M12: 6,928,625 km (0.103 R)
• M13: 7,414,519 km (0.119 R)
• M14: 7,865,557 km (0.11 R)
• M15: 9,557,060 km (0.079 R)
• M16: 11,003,073 km (0.085 R)
• M17: 11,516,194 km (0.101 R)
• M18: 12,432,780 km (0.046 R)
• M19: 13,813,867 km (0.075 R)
• M20: 14,716,391 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 333.9

Radius: 9.7

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 1.59 AU - 2.05 AU

Year: 1665 Days

Day: 9 Hours

Environment

Temp: -204 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 64,124,841 km

• M1: 120,725 km (0.098 R)
• M2: 428,747 km (0.065 R)
• M3: 1,150,108 km (0.048 R)
• M4: 1,584,241 km (0.031 R)
• M5: 2,094,071 km (0.118 R)
• M6: 2,464,625 km (0.12 R)
• M7: 3,339,324 km (0.027 R)
• M8: 4,130,248 km (0.108 R)
• M9: 4,588,316 km (0.09 R)
• M10: 5,119,389 km (0.085 R)
• M11: 5,754,581 km (0.101 R)
• M12: 6,191,706 km (0.069 R)
• M13: 6,557,323 km (0.07 R)
• M14: 7,611,689 km (0.118 R)
• M15: 8,220,253 km (0.054 R)
• M16: 8,832,408 km (0.118 R)
• M17: 9,325,931 km (0.085 R)
• M18: 9,654,897 km (0.11 R)
• M19: 9,991,791 km (0.119 R)
• M20: 10,559,964 km (0.044 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 896

Radius: 10.4

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 2.18 AU - 2.5 AU

Year: 2428 Days

Day: 15 Hours

Environment

Temp: -212 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,124,841 km

• M1: 131,646 km (0.102 R)
• M2: 493,972 km (0.1 R)
• M3: 1,295,218 km (0.101 R)
• M4: 1,752,389 km (0.117 R)
• M5: 2,115,314 km (0.045 R)
• M6: 2,786,859 km (0.093 R)
• M7: 3,286,067 km (0.104 R)
• M8: 3,883,561 km (0.115 R)
• M9: 4,551,964 km (0.101 R)
• M10: 5,295,316 km (0.082 R)
• M11: 5,645,225 km (0.109 R)
• M12: 7,323,564 km (0.087 R)
• M13: 10,547,398 km (0.107 R)
• M14: 11,103,154 km (0.062 R)
• M15: 11,470,866 km (0.087 R)
• M16: 11,888,692 km (0.062 R)
• M17: 12,230,374 km (0.066 R)
• M18: 15,658,559 km (0.071 R)
• M19: 16,434,972 km (0.085 R)
• M20: 17,020,348 km (0.116 R)
• M21: 17,674,839 km (0.035 R)
• M22: 18,064,392 km (0.087 R)
• M23: 18,573,473 km (0.084 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 354.6

Radius: 11.3

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 2.58 AU - 4.3 AU

Year: 4327 Days

Day: 6 Hours

Environment

Temp: -216 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,124,841 km

• M1: 140,772 km (0.068 R)
• M2: 547,678 km (0.101 R)
• M3: 1,111,063 km (0.076 R)
• M4: 1,626,428 km (0.115 R)
• M5: 2,312,035 km (0.086 R)
• M6: 2,746,168 km (0.043 R)
• M7: 3,252,407 km (0.113 R)
• M8: 4,107,658 km (0.104 R)
• M9: 4,679,870 km (0.1 R)
• M10: 5,875,905 km (0.113 R)
• M11: 6,459,187 km (0.068 R)
• M12: 7,080,766 km (0.076 R)
• M13: 9,078,347 km (0.095 R)
• M14: 11,300,474 km (0.095 R)
• M15: 12,203,745 km (0.119 R)
• M16: 13,482,209 km (0.105 R)
• M17: 15,050,294 km (0.111 R)
• M18: 16,465,190 km (0.104 R)
• M19: 17,288,577 km (0.113 R)
• M20: 18,487,155 km (0.118 R)
• M21: 19,136,709 km (0.059 R)
• M22: 20,858,880 km (0.11 R)
• M23: 21,433,785 km (0.079 R)
• M24: 21,888,263 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 994.4

Radius: 7.3

Gravity: 18.66 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 5.2 AU - 6.1 AU

Year: 9109 Days

Day: 18.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,124,841 km

• M1: 91,554 km (0.055 R)
• M2: 743,053 km (0.111 R)
• M3: 1,397,693 km (0.036 R)
• M4: 1,712,447 km (0.038 R)
• M5: 1,953,748 km (0.113 R)
• M6: 2,566,351 km (0.054 R)
• M7: 3,276,193 km (0.113 R)
• M8: 3,523,030 km (0.111 R)
• M9: 4,456,969 km (0.098 R)
• M10: 6,302,857 km (0.091 R)
• M11: 6,764,816 km (0.079 R)
• M12: 9,272,824 km (0.076 R)
• M13: 9,819,604 km (0.109 R)
• M14: 10,440,435 km (0.103 R)
• M15: 11,142,199 km (0.093 R)
• M16: 14,726,863 km (0.056 R)
• M17: 15,061,962 km (0.079 R)
• M18: 16,310,955 km (0.12 R)
• M19: 17,107,265 km (0.116 R)
• M20: 21,056,648 km (0.084 R)
• M21: 22,971,950 km (0.103 R)
• M22: 24,811,405 km (0.107 R)
• M23: 26,647,869 km (0.116 R)
• M24: 36,222,432 km (0.12 R)
• M25: 38,454,133 km (0.057 R)
• M26: 39,346,334 km (0.034 R)
• M27: 39,732,895 km (0.059 R)
• M28: 43,876,607 km (0.045 R)
• M29: 44,570,890 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 453.4

Radius: 6

Gravity: 12.59 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 7.48 AU - 10.98 AU

Year: 19019 Days

Day: 24.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 37.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,124,841 km

• M1: 74,799 km (0.064 R)
• M2: 362,326 km (0.098 R)
• M3: 938,128 km (0.078 R)
• M4: 2,334,774 km (0.028 R)
• M5: 3,087,850 km (0.098 R)
• M6: 4,854,002 km (0.108 R)
• M7: 6,068,288 km (0.08 R)
• M8: 12,571,607 km (0.101 R)
• M9: 14,541,362 km (0.106 R)
• M10: 15,119,109 km (0.12 R)
• M11: 17,181,764 km (0.08 R)
• M12: 18,321,850 km (0.116 R)
• M13: 18,656,650 km (0.056 R)
• M14: 22,709,555 km (0.069 R)
• M15: 28,749,719 km (0.067 R)
• M16: 31,058,014 km (0.106 R)
• M17: 34,875,602 km (0.119 R)
• M18: 48,023,460 km (0.093 R)
• M19: 58,712,527 km (0.071 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 180 - 18,740 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit