🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313

Radius: 14.2

Gravity: 1.55 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.57 AU - 0.63 AU

Year: 310 Days

Day: 14.6 Hours

Environment

Temp: -141 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,158,560 km

• M1: 176,675 km (0.037 R)
• M2: 636,389 km (0.052 R)
• M3: 1,219,073 km (0.04 R)
• M4: 1,827,787 km (0.104 R)
• M5: 2,290,194 km (0.114 R)
• M6: 2,858,067 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.4

Radius: 11.2

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.65 AU - 0.73 AU

Year: 382 Days

Day: 5.3 Hours

Environment

Temp: -166 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 72,158,560 km

• M1: 139,276 km (0.055 R)
• M2: 494,122 km (0.1 R)
• M3: 854,054 km (0.09 R)
• M4: 1,219,372 km (0.051 R)
• M5: 2,107,535 km (0.055 R)
• M6: 2,738,239 km (0.039 R)
• M7: 3,176,412 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 891.5

Radius: 9

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 0.63 AU - 0.83 AU

Year: 416 Days

Day: 9.8 Hours

Environment

Temp: -155 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 72,158,560 km

• M1: 112,198 km (0.111 R)
• M2: 466,745 km (0.088 R)
• M3: 864,825 km (0.119 R)
• M4: 1,322,146 km (0.097 R)
• M5: 2,034,980 km (0.096 R)
• M6: 2,357,962 km (0.092 R)
• M7: 2,962,038 km (0.062 R)
• M8: 3,589,302 km (0.08 R)
• M9: 3,995,759 km (0.078 R)
• M10: 4,461,906 km (0.09 R)
• M11: 5,537,066 km (0.082 R)
• M12: 6,008,748 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.9

Radius: 13.2

Gravity: 3.06 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.55 AU - 0.91 AU

Year: 416 Days

Day: 5.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,158,560 km

• M1: 164,707 km (0.055 R)
• M2: 603,927 km (0.062 R)
• M3: 1,084,136 km (0.095 R)
• M4: 1,502,112 km (0.082 R)
• M5: 2,167,224 km (0.095 R)
• M6: 2,731,059 km (0.115 R)
• M7: 3,171,026 km (0.097 R)
• M8: 3,877,577 km (0.115 R)
• M9: 4,873,300 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 496.7

Radius: 11

Gravity: 4.1 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.76 AU - 1 AU

Year: 550 Days

Day: 11 Hours

Environment

Temp: -166 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,158,560 km

• M1: 136,732 km (0.095 R)
• M2: 621,430 km (0.118 R)
• M3: 1,161,927 km (0.058 R)
• M4: 1,712,148 km (0.115 R)
• M5: 3,292,649 km (0.118 R)
• M6: 3,906,300 km (0.07 R)
• M7: 4,851,908 km (0.106 R)
• M8: 5,512,382 km (0.043 R)
• M9: 6,213,398 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 755.4

Radius: 8.1

Gravity: 11.51 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.65 AU - 2.09 AU

Year: 1705 Days

Day: 7.9 Hours

Environment

Temp: -195 °C

Axial Tilt: 29.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 72,158,560 km

• M1: 100,679 km (0.081 R)
• M2: 489,035 km (0.089 R)
• M3: 984,354 km (0.115 R)
• M4: 1,516,324 km (0.056 R)
• M5: 2,155,107 km (0.079 R)
• M6: 2,843,706 km (0.097 R)
• M7: 3,865,459 km (0.086 R)
• M8: 4,160,018 km (0.095 R)
• M9: 4,569,617 km (0.066 R)
• M10: 4,963,059 km (0.087 R)
• M11: 5,356,501 km (0.089 R)
• M12: 6,230,901 km (0.086 R)
• M13: 6,482,824 km (0.069 R)
• M14: 7,061,019 km (0.084 R)
• M15: 10,657,801 km (0.1 R)
• M16: 11,689,578 km (0.114 R)
• M17: 12,746,038 km (0.052 R)
• M18: 13,111,954 km (0.037 R)
• M19: 13,779,759 km (0.082 R)
• M20: 14,035,871 km (0.098 R)
• M21: 14,470,004 km (0.085 R)
• M22: 14,734,792 km (0.119 R)
• M23: 15,183,137 km (0.099 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 223.8

Radius: 15

Gravity: 0.99 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.71 AU - 2.73 AU

Year: 2991 Days

Day: 12.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 72,158,560 km

• M1: 186,549 km (0.118 R)
• M2: 729,738 km (0.106 R)
• M3: 1,243,757 km (0.085 R)
• M4: 1,729,501 km (0.107 R)
• M5: 2,369,481 km (0.058 R)
• M6: 2,915,214 km (0.099 R)
• M7: 3,712,122 km (0.084 R)
• M8: 4,532,516 km (0.117 R)
• M9: 5,059,998 km (0.091 R)
• M10: 5,858,402 km (0.071 R)
• M11: 6,536,380 km (0.12 R)
• M12: 7,320,572 km (0.087 R)
• M13: 7,963,693 km (0.071 R)
• M14: 8,463,051 km (0.065 R)
• M15: 11,876,276 km (0.115 R)
• M16: 13,658,585 km (0.076 R)
• M17: 14,505,608 km (0.088 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 712.7

Radius: 14

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.79 AU - 4.87 AU

Year: 7079 Days

Day: 7.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 72,158,560 km

• M1: 174,132 km (0.106 R)
• M2: 641,326 km (0.116 R)
• M3: 1,221,467 km (0.085 R)
• M4: 1,723,816 km (0.079 R)
• M5: 5,298,457 km (0.109 R)
• M6: 6,154,456 km (0.074 R)
• M7: 6,633,469 km (0.096 R)
• M8: 7,705,936 km (0.12 R)
• M9: 8,552,510 km (0.104 R)
• M10: 10,100,549 km (0.098 R)
• M11: 11,467,874 km (0.061 R)
• M12: 12,571,906 km (0.072 R)
• M13: 14,035,721 km (0.048 R)
• M14: 14,930,466 km (0.108 R)
• M15: 16,375,731 km (0.117 R)
• M16: 17,434,884 km (0.103 R)
• M17: 19,763,225 km (0.091 R)
• M18: 21,426,305 km (0.115 R)
• M19: 24,601,071 km (0.073 R)
• M20: 25,637,933 km (0.102 R)
• M21: 26,167,211 km (0.075 R)
• M22: 27,065,546 km (0.107 R)
• M23: 27,614,271 km (0.047 R)
• M24: 32,071,689 km (0.068 R)
• M25: 37,550,412 km (0.093 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.3

Radius: 9.4

Gravity: 10.11 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 4.53 AU - 5.51 AU

Year: 7500 Days

Day: 10.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 49.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 72,158,560 km

• M1: 174,282 km (0.112 R)
• M2: 662,270 km (0.102 R)
• M3: 1,003,802 km (0.085 R)
• M4: 1,438,982 km (0.109 R)
• M5: 3,198,402 km (0.084 R)
• M6: 3,544,722 km (0.117 R)
• M7: 3,839,878 km (0.054 R)
• M8: 4,340,881 km (0.05 R)
• M9: 5,636,549 km (0.079 R)
• M10: 6,608,486 km (0.066 R)
• M11: 10,744,119 km (0.101 R)
• M12: 11,472,062 km (0.069 R)
• M13: 12,910,595 km (0.075 R)
• M14: 14,341,798 km (0.084 R)
• M15: 17,729,741 km (0.095 R)
• M16: 19,799,727 km (0.095 R)
• M17: 20,185,689 km (0.111 R)
• M18: 21,052,460 km (0.115 R)
• M19: 24,858,080 km (0.09 R)
• M20: 26,037,360 km (0.086 R)
• M21: 27,924,088 km (0.058 R)
• M22: 30,204,558 km (0.093 R)
• M23: 30,819,256 km (0.107 R)
• M24: 34,461,216 km (0.094 R)
• M25: 37,550,562 km (0.077 R)
• M26: 38,142,221 km (0.103 R)
• M27: 38,740,014 km (0.102 R)
• M28: 42,972,587 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 883.5

Radius: 5.6

Gravity: 28.17 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 7.19 AU - 9.63 AU

Year: 16264 Days

Day: 24.8 Hours

Environment

Temp: -224 °C

Axial Tilt: 0.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 72,158,560 km

• M1: 71,957 km (0.112 R)
• M2: 924,066 km (0.099 R)
• M3: 1,882,988 km (0.107 R)
• M4: 2,636,812 km (0.114 R)
• M5: 4,151,491 km (0.112 R)
• M6: 4,445,301 km (0.046 R)
• M7: 5,525,846 km (0.109 R)
• M8: 6,294,630 km (0.113 R)
• M9: 6,950,167 km (0.066 R)
• M10: 8,092,048 km (0.059 R)
• M11: 8,919,474 km (0.086 R)
• M12: 9,520,259 km (0.072 R)
• M13: 10,741,426 km (0.106 R)
• M14: 13,349,815 km (0.059 R)
• M15: 13,846,031 km (0.084 R)
• M16: 15,102,204 km (0.12 R)
• M17: 17,501,006 km (0.099 R)
• M18: 19,145,087 km (0.082 R)
• M19: 21,848,619 km (0.044 R)
• M20: 25,329,762 km (0.085 R)
• M21: 26,309,628 km (0.106 R)
• M22: 32,724,833 km (0.065 R)
• M23: 33,109,001 km (0.087 R)
• M24: 35,343,095 km (0.086 R)
• M25: 43,256,524 km (0.095 R)
• M26: 44,654,516 km (0.097 R)
• M27: 45,603,116 km (0.116 R)
• M28: 47,540,408 km (0.087 R)
• M29: 49,700,302 km (0.078 R)
• M30: 61,487,268 km (0.114 R)
• M31: 69,173,008 km (0.116 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 361 - 10,980 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit