🌌 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: 142

Radius: 13.6

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 0.52 AU - 0.54 AU

Year: 262 Days

Day: 6.2 Hours

Environment

Temp: -150 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 62,827,068 km

• M1: 169,195 km (0.102 R)
• M2: 685,457 km (0.029 R)
• M3: 1,340,547 km (0.065 R)
• M4: 1,812,677 km (0.106 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.6

Radius: 13.5

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.7 AU - 1 AU

Year: 532 Days

Day: 8.4 Hours

Environment

Temp: -167 °C

Axial Tilt: 96.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,827,068 km

• M1: 167,849 km (0.069 R)
• M2: 593,305 km (0.044 R)
• M3: 1,051,523 km (0.046 R)
• M4: 1,554,771 km (0.082 R)
• M5: 2,079,859 km (0.104 R)
• M6: 2,630,679 km (0.104 R)
• M7: 3,949,234 km (0.114 R)
• M8: 5,414,246 km (0.1 R)
• M9: 5,987,655 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 478.8

Radius: 14.4

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.02 AU - 1.28 AU

Year: 836 Days

Day: 8.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,827,068 km

• M1: 180,265 km (0.092 R)
• M2: 695,929 km (0.091 R)
• M3: 1,247,048 km (0.111 R)
• M4: 1,739,674 km (0.035 R)
• M5: 2,284,509 km (0.111 R)
• M6: 2,861,807 km (0.074 R)
• M7: 3,416,516 km (0.051 R)
• M8: 4,314,403 km (0.032 R)
• M9: 5,117,594 km (0.086 R)
• M10: 5,620,093 km (0.118 R)
• M11: 7,131,330 km (0.027 R)
• M12: 7,645,199 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822

Radius: 13.7

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 1.17 AU - 1.65 AU

Year: 1136 Days

Day: 5.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 41.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,827,068 km

• M1: 170,392 km (0.119 R)
• M2: 706,102 km (0.057 R)
• M3: 1,513,631 km (0.107 R)
• M4: 2,205,073 km (0.056 R)
• M5: 2,739,137 km (0.092 R)
• M6: 3,418,910 km (0.027 R)
• M7: 4,583,380 km (0.098 R)
• M8: 5,420,978 km (0.074 R)
• M9: 6,153,708 km (0.076 R)
• M10: 6,614,919 km (0.093 R)
• M11: 9,428,855 km (0.055 R)
• M12: 10,138,397 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 337.5

Radius: 8.4

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 3.36 AU - 4.24 AU

Year: 5024 Days

Day: 6.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,827,068 km

• M1: 105,616 km (0.114 R)
• M2: 401,969 km (0.089 R)
• M3: 703,708 km (0.118 R)
• M4: 1,099,844 km (0.096 R)
• M5: 1,391,111 km (0.114 R)
• M6: 1,933,104 km (0.082 R)
• M7: 2,246,362 km (0.118 R)
• M8: 2,593,578 km (0.077 R)
• M9: 2,872,878 km (0.109 R)
• M10: 3,227,424 km (0.058 R)
• M11: 4,154,931 km (0.105 R)
• M12: 4,680,618 km (0.081 R)
• M13: 5,275,719 km (0.093 R)
• M14: 6,175,251 km (0.085 R)
• M15: 6,707,071 km (0.111 R)
• M16: 7,015,542 km (0.111 R)
• M17: 7,761,138 km (0.117 R)
• M18: 10,561,610 km (0.083 R)
• M19: 11,235,997 km (0.095 R)
• M20: 11,583,962 km (0.084 R)
• M21: 17,412,594 km (0.112 R)
• M22: 18,413,254 km (0.1 R)
• M23: 20,143,952 km (0.103 R)
• M24: 22,048,183 km (0.033 R)
• M25: 22,525,251 km (0.112 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 622.5

Radius: 5.3

Gravity: 22.16 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 5.6 AU - 6.68 AU

Year: 10319 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 36.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,827,068 km

• M1: 65,973 km (0.117 R)
• M2: 270,922 km (0.086 R)
• M3: 704,157 km (0.109 R)
• M4: 907,760 km (0.105 R)
• M5: 1,083,089 km (0.06 R)
• M6: 1,559,857 km (0.076 R)
• M7: 1,767,349 km (0.09 R)
• M8: 2,663,889 km (0.101 R)
• M9: 3,305,215 km (0.116 R)
• M10: 3,674,722 km (0.027 R)
• M11: 4,294,506 km (0.075 R)
• M12: 4,887,961 km (0.07 R)
• M13: 5,773,580 km (0.082 R)
• M14: 7,942,899 km (0.079 R)
• M15: 8,425,053 km (0.115 R)
• M16: 8,650,646 km (0.072 R)
• M17: 10,038,915 km (0.087 R)
• M18: 10,292,483 km (0.111 R)
• M19: 10,971,657 km (0.038 R)
• M20: 11,514,099 km (0.102 R)
• M21: 14,178,437 km (0.057 R)
• M22: 14,433,502 km (0.106 R)
• M23: 15,619,214 km (0.083 R)
• M24: 15,959,699 km (0.084 R)
• M25: 16,444,845 km (0.051 R)
• M26: 16,868,506 km (0.06 R)
• M27: 18,182,873 km (0.096 R)
• M28: 19,329,092 km (0.102 R)
• M29: 20,604,115 km (0.116 R)
• M30: 28,937,015 km (0.096 R)
• M31: 31,028,244 km (0.064 R)
• M32: 36,454,159 km (0.11 R)
• M33: 36,693,067 km (0.113 R)
• M34: 37,780,942 km (0.098 R)
• M35: 43,009,687 km (0.04 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 333.3

Radius: 5.8

Gravity: 9.91 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 6.12 AU - 6.7 AU

Year: 11007 Days

Day: 23.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 21.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 62,827,068 km

• M1: 72,854 km (0.109 R)
• M2: 290,818 km (0.068 R)
• M3: 592,856 km (0.105 R)
• M4: 810,372 km (0.091 R)
• M5: 3,087,102 km (0.05 R)
• M6: 3,583,767 km (0.118 R)
• M7: 5,844,340 km (0.104 R)
• M8: 6,078,909 km (0.109 R)
• M9: 6,284,756 km (0.053 R)
• M10: 6,930,720 km (0.099 R)
• M11: 10,151,712 km (0.086 R)
• M12: 11,089,840 km (0.115 R)
• M13: 15,046,554 km (0.052 R)
• M14: 17,269,728 km (0.109 R)
• M15: 17,822,941 km (0.115 R)
• M16: 18,891,967 km (0.039 R)
• M17: 22,031,129 km (0.098 R)
• M18: 26,309,030 km (0.048 R)
• M19: 29,027,672 km (0.088 R)
• M20: 34,796,315 km (0.064 R)
• M21: 38,764,399 km (0.093 R)
• M22: 39,236,230 km (0.038 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 55.5

Radius: 5

Gravity: 2.22 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 7 AU - 7.98 AU

Year: 13903 Days

Day: 21.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,827,068 km

• M1: 68,965 km (0.108 R)
• M2: 297,550 km (0.064 R)
• M3: 1,066,334 km (0.096 R)
• M4: 1,432,250 km (0.085 R)
• M5: 1,591,123 km (0.113 R)
• M6: 1,812,677 km (0.073 R)
• M7: 2,068,939 km (0.069 R)
• M8: 2,395,361 km (0.109 R)
• M9: 3,943,101 km (0.109 R)
• M10: 5,855,261 km (0.116 R)
• M11: 8,202,451 km (0.084 R)
• M12: 8,865,170 km (0.08 R)
• M13: 9,326,380 km (0.09 R)
• M14: 9,562,894 km (0.112 R)
• M15: 15,613,530 km (0.046 R)
• M16: 21,675,983 km (0.09 R)
• M17: 22,723,917 km (0.107 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.5

Radius: 5.3

Gravity: 23.76 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 6.31 AU - 9.05 AU

Year: 14436 Days

Day: 20.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 62,827,068 km

• M1: 68,965 km (0.07 R)
• M2: 235,916 km (0.077 R)
• M3: 407,804 km (0.041 R)
• M4: 702,811 km (0.101 R)
• M5: 968,497 km (0.082 R)
• M6: 1,207,105 km (0.116 R)
• M7: 1,769,294 km (0.058 R)
• M8: 2,512,646 km (0.083 R)
• M9: 2,778,481 km (0.079 R)
• M10: 4,368,258 km (0.095 R)
• M11: 4,954,233 km (0.096 R)
• M12: 5,627,872 km (0.049 R)
• M13: 5,929,162 km (0.076 R)
• M14: 7,921,058 km (0.027 R)
• M15: 8,493,270 km (0.109 R)
• M16: 9,827,084 km (0.119 R)
• M17: 13,359,987 km (0.065 R)
• M18: 16,794,007 km (0.06 R)
• M19: 20,332,595 km (0.089 R)
• M20: 21,221,356 km (0.083 R)
• M21: 21,858,642 km (0.11 R)
• M22: 24,140,908 km (0.095 R)
• M23: 24,337,928 km (0.079 R)
• M24: 24,935,571 km (0.119 R)
• M25: 30,761,661 km (0.119 R)
• M26: 31,226,162 km (0.112 R)
• M27: 31,695,301 km (0.116 R)
• M28: 32,050,297 km (0.102 R)
• M29: 34,111,905 km (0.059 R)
• M30: 37,829,861 km (0.101 R)
• M31: 42,236,116 km (0.089 R)
• M32: 55,232,431 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 488.7

Radius: 3.1

Gravity: 50.85 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 7.65 AU - 9.99 AU

Year: 17766 Days

Day: 15.9 Hours

Environment

Temp: -244 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,827,068 km

• M1: 38,596 km (0.077 R)
• M2: 300,542 km (0.081 R)
• M3: 571,613 km (0.061 R)
• M4: 689,048 km (0.102 R)
• M5: 1,142,180 km (0.031 R)
• M6: 1,873,115 km (0.081 R)
• M7: 2,378,008 km (0.054 R)
• M8: 2,528,204 km (0.099 R)
• M9: 2,847,595 km (0.032 R)
• M10: 4,271,767 km (0.096 R)
• M11: 5,030,677 km (0.086 R)
• M12: 6,150,118 km (0.075 R)
• M13: 6,640,949 km (0.082 R)
• M14: 7,246,072 km (0.091 R)
• M15: 7,380,411 km (0.081 R)
• M16: 7,934,372 km (0.112 R)
• M17: 8,269,920 km (0.096 R)
• M18: 8,614,893 km (0.102 R)
• M19: 9,280,902 km (0.095 R)
• M20: 9,707,406 km (0.115 R)
• M21: 10,146,775 km (0.105 R)
• M22: 12,163,055 km (0.077 R)
• M23: 13,198,123 km (0.098 R)
• M24: 15,441,492 km (0.095 R)
• M25: 16,965,446 km (0.083 R)
• M26: 21,207,892 km (0.083 R)
• M27: 24,665,697 km (0.098 R)
• M28: 27,384,189 km (0.12 R)
• M29: 30,761,212 km (0.109 R)
• M30: 31,113,515 km (0.103 R)
• M31: 33,407,000 km (0.087 R)
• M32: 35,810,589 km (0.112 R)
• M33: 36,070,141 km (0.037 R)
• M34: 41,670,786 km (0.119 R)
• M35: 44,901,950 km (0.114 R)
• M36: 54,383,464 km (0.116 R)
• M37: 56,112,217 km (0.117 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: 336 - 15,614 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit