🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547

Radius: 8.1

Gravity: 8.34 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.46 AU - 0.58 AU

Year: 250 Days

Day: 6.2 Hours

Environment

Temp: -134 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,425,910 km

• M1: 100,829 km (0.086 R)
• M2: 369,208 km (0.027 R)
• M3: 912,397 km (0.088 R)
• M4: 1,354,310 km (0.081 R)
• M5: 1,925,923 km (0.101 R)
• M6: 2,406,431 km (0.096 R)
• M7: 3,417,115 km (0.107 R)
• M8: 3,747,427 km (0.06 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 382.2

Radius: 8.6

Gravity: 5.17 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 0.59 AU - 0.63 AU

Year: 318 Days

Day: 11.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,425,910 km

• M1: 106,962 km (0.096 R)
• M2: 413,189 km (0.092 R)
• M3: 709,991 km (0.042 R)
• M4: 1,069,924 km (0.111 R)
• M5: 1,526,646 km (0.119 R)
• M6: 1,977,085 km (0.07 R)
• M7: 2,341,207 km (0.098 R)
• M8: 2,868,090 km (0.106 R)
• M9: 3,165,042 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265

Radius: 8

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.62 AU - 0.76 AU

Year: 382 Days

Day: 14.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 44,425,910 km

• M1: 99,632 km (0.073 R)
• M2: 394,041 km (0.029 R)
• M3: 933,940 km (0.116 R)
• M4: 1,335,909 km (0.088 R)
• M5: 1,918,892 km (0.113 R)
• M6: 2,221,977 km (0.086 R)
• M7: 2,915,962 km (0.03 R)
• M8: 3,349,646 km (0.062 R)
• M9: 3,658,416 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.8

Radius: 9.7

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 0.94 AU - 1.44 AU

Year: 866 Days

Day: 5.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,425,910 km

• M1: 120,576 km (0.093 R)
• M2: 746,344 km (0.082 R)
• M3: 1,342,641 km (0.103 R)
• M4: 2,280,171 km (0.044 R)
• M5: 4,387,855 km (0.063 R)
• M6: 6,153,260 km (0.115 R)
• M7: 6,807,601 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.6

Radius: 11.5

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.21 AU - 3.61 AU

Year: 4199 Days

Day: 14.3 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 44,425,910 km

• M1: 143,165 km (0.117 R)
• M2: 606,619 km (0.093 R)
• M3: 988,543 km (0.112 R)
• M4: 1,352,664 km (0.07 R)
• M5: 1,763,310 km (0.09 R)
• M6: 2,164,681 km (0.116 R)
• M7: 2,780,426 km (0.054 R)
• M8: 3,347,402 km (0.064 R)
• M9: 3,735,160 km (0.116 R)
• M10: 4,384,414 km (0.052 R)
• M11: 4,873,300 km (0.083 R)
• M12: 5,498,021 km (0.094 R)
• M13: 5,882,188 km (0.073 R)
• M14: 7,024,966 km (0.11 R)
• M15: 7,791,356 km (0.081 R)
• M16: 9,203,111 km (0.029 R)
• M17: 9,895,151 km (0.06 R)
• M18: 11,924,745 km (0.084 R)
• M19: 12,614,990 km (0.096 R)
• M20: 13,331,863 km (0.063 R)
• M21: 13,793,522 km (0.069 R)
• M22: 14,313,674 km (0.114 R)
• M23: 14,748,854 km (0.099 R)
• M24: 15,292,792 km (0.12 R)
• M25: 16,056,040 km (0.066 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 931.7

Radius: 9.2

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 3.42 AU - 4.02 AU

Year: 4785 Days

Day: 11.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,425,910 km

• M1: 114,742 km (0.061 R)
• M2: 676,930 km (0.119 R)
• M3: 971,189 km (0.11 R)
• M4: 1,420,881 km (0.045 R)
• M5: 1,727,855 km (0.083 R)
• M6: 2,329,388 km (0.074 R)
• M7: 3,005,870 km (0.09 R)
• M8: 3,306,861 km (0.082 R)
• M9: 3,993,515 km (0.078 R)
• M10: 5,183,865 km (0.118 R)
• M11: 5,500,564 km (0.055 R)
• M12: 8,056,145 km (0.084 R)
• M13: 8,561,337 km (0.06 R)
• M14: 9,591,916 km (0.114 R)
• M15: 10,026,648 km (0.049 R)
• M16: 10,474,394 km (0.104 R)
• M17: 10,888,780 km (0.096 R)
• M18: 11,848,750 km (0.037 R)
• M19: 12,248,326 km (0.069 R)
• M20: 12,916,430 km (0.1 R)
• M21: 14,158,092 km (0.084 R)
• M22: 15,418,454 km (0.051 R)
• M23: 17,382,973 km (0.116 R)
• M24: 18,558,513 km (0.119 R)
• M25: 19,165,731 km (0.093 R)
• M26: 21,506,190 km (0.082 R)
• M27: 25,077,689 km (0.099 R)
• M28: 26,491,838 km (0.107 R)
• M29: 27,089,482 km (0.099 R)
• M30: 27,783,317 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 972.5

Radius: 10.3

Gravity: 9.17 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 3.46 AU - 5.58 AU

Year: 6408 Days

Day: 14.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 44,425,910 km

• M1: 131,796 km (0.11 R)
• M2: 1,023,249 km (0.092 R)
• M3: 1,411,606 km (0.094 R)
• M4: 1,781,411 km (0.083 R)
• M5: 2,879,011 km (0.088 R)
• M6: 3,413,524 km (0.111 R)
• M7: 4,064,125 km (0.079 R)
• M8: 4,738,363 km (0.113 R)
• M9: 6,483,273 km (0.033 R)
• M10: 6,841,559 km (0.03 R)
• M11: 9,277,312 km (0.068 R)
• M12: 11,089,690 km (0.071 R)
• M13: 12,403,758 km (0.076 R)
• M14: 13,818,804 km (0.095 R)
• M15: 14,173,949 km (0.074 R)
• M16: 17,374,446 km (0.09 R)
• M17: 18,707,812 km (0.093 R)
• M18: 19,510,255 km (0.087 R)
• M19: 21,497,962 km (0.112 R)
• M20: 22,055,364 km (0.071 R)
• M21: 23,282,365 km (0.113 R)
• M22: 24,382,059 km (0.105 R)
• M23: 28,456,806 km (0.05 R)
• M24: 34,349,915 km (0.086 R)
• M25: 34,675,141 km (0.089 R)
• M26: 35,112,116 km (0.075 R)
• M27: 35,996,688 km (0.066 R)
• M28: 36,332,386 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.5

Radius: 7.8

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 6.2 AU - 6.64 AU

Year: 10848 Days

Day: 20.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,425,910 km

• M1: 97,687 km (0.112 R)
• M2: 470,784 km (0.07 R)
• M3: 802,144 km (0.082 R)
• M4: 1,483,861 km (0.118 R)
• M5: 2,305,004 km (0.08 R)
• M6: 3,044,466 km (0.043 R)
• M7: 3,587,357 km (0.074 R)
• M8: 4,520,698 km (0.06 R)
• M9: 5,013,922 km (0.063 R)
• M10: 5,971,349 km (0.086 R)
• M11: 7,313,840 km (0.119 R)
• M12: 8,584,674 km (0.102 R)
• M13: 10,141,090 km (0.096 R)
• M14: 10,532,887 km (0.11 R)
• M15: 11,399,358 km (0.073 R)
• M16: 12,871,850 km (0.114 R)
• M17: 13,981,267 km (0.093 R)
• M18: 17,134,641 km (0.081 R)
• M19: 23,847,696 km (0.084 R)
• M20: 28,019,532 km (0.096 R)
• M21: 28,694,368 km (0.111 R)
• M22: 37,773,462 km (0.116 R)
• M23: 41,138,367 km (0.096 R)
• M24: 41,634,733 km (0.076 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 859.7

Radius: 7.3

Gravity: 16.13 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 5.6 AU - 7.28 AU

Year: 10898 Days

Day: 19.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 44,425,910 km

• M1: 109,506 km (0.063 R)
• M2: 436,826 km (0.115 R)
• M3: 914,492 km (0.077 R)
• M4: 1,265,299 km (0.109 R)
• M5: 1,566,738 km (0.111 R)
• M6: 1,915,750 km (0.067 R)
• M7: 2,145,981 km (0.054 R)
• M8: 2,374,717 km (0.119 R)
• M9: 3,066,756 km (0.047 R)
• M10: 4,140,719 km (0.1 R)
• M11: 4,376,635 km (0.09 R)
• M12: 4,811,068 km (0.105 R)
• M13: 5,138,836 km (0.093 R)
• M14: 6,250,349 km (0.084 R)
• M15: 7,776,995 km (0.101 R)
• M16: 10,701,334 km (0.044 R)
• M17: 14,623,192 km (0.065 R)
• M18: 15,878,168 km (0.063 R)
• M19: 17,052,512 km (0.088 R)
• M20: 17,660,926 km (0.114 R)
• M21: 21,268,928 km (0.105 R)
• M22: 21,707,549 km (0.117 R)
• M23: 22,331,970 km (0.104 R)
• M24: 26,131,756 km (0.037 R)
• M25: 26,838,307 km (0.07 R)
• M26: 30,674,146 km (0.08 R)
• M27: 33,072,499 km (0.098 R)
• M28: 39,018,416 km (0.073 R)
• M29: 41,013,154 km (0.091 R)
• M30: 45,930,137 km (0.105 R)
• M31: 53,131,479 km (0.109 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 296.6

Radius: 4.5

Gravity: 14.65 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 6.99 AU - 7.91 AU

Year: 13560 Days

Day: 17.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,425,910 km

• M1: 71,209 km (0.054 R)
• M2: 281,693 km (0.098 R)
• M3: 466,895 km (0.11 R)
• M4: 782,995 km (0.096 R)
• M5: 1,050,925 km (0.112 R)
• M6: 1,429,557 km (0.094 R)
• M7: 1,958,386 km (0.098 R)
• M8: 2,160,792 km (0.074 R)
• M9: 2,377,110 km (0.073 R)
• M10: 3,136,469 km (0.086 R)
• M11: 4,018,797 km (0.027 R)
• M12: 4,180,512 km (0.03 R)
• M13: 5,535,869 km (0.088 R)
• M14: 7,199,098 km (0.098 R)
• M15: 8,316,295 km (0.042 R)
• M16: 8,893,444 km (0.102 R)
• M17: 10,733,198 km (0.116 R)
• M18: 15,340,214 km (0.12 R)
• M19: 16,138,618 km (0.056 R)
• M20: 17,673,792 km (0.066 R)
• M21: 22,773,433 km (0.091 R)
• M22: 24,341,518 km (0.06 R)
• M23: 27,691,164 km (0.086 R)
• M24: 28,179,452 km (0.063 R)
• M25: 32,617,721 km (0.063 R)
• M26: 33,271,913 km (0.103 R)
• M27: 34,719,123 km (0.098 R)
• M28: 37,026,670 km (0.09 R)
• M29: 41,054,293 km (0.088 R)
• M30: 43,632,014 km (0.086 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 170 - 14,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit