🌌 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: 627.7

Radius: 13.5

Gravity: 3.44 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.49 AU - 0.57 AU

Year: 266 Days

Day: 14.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,684,364 km

• M1: 167,849 km (0.089 R)
• M2: 651,200 km (0.099 R)
• M3: 1,103,733 km (0.104 R)
• M4: 1,972,747 km (0.09 R)
• M5: 2,640,702 km (0.09 R)
• M6: 3,530,211 km (0.118 R)
• M7: 4,022,088 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 95.7

Radius: 12.7

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.76 AU - 1.25 AU

Year: 690 Days

Day: 10.7 Hours

Environment

Temp: -165 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 84,684,364 km

• M1: 157,975 km (0.093 R)
• M2: 597,793 km (0.055 R)
• M3: 1,617,751 km (0.096 R)
• M4: 2,189,066 km (0.113 R)
• M5: 2,997,044 km (0.117 R)
• M6: 4,136,980 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 136.4

Radius: 11.4

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 1.33 AU - 1.89 AU

Year: 1410 Days

Day: 5.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,684,364 km

• M1: 141,819 km (0.075 R)
• M2: 712,983 km (0.091 R)
• M3: 1,400,236 km (0.073 R)
• M4: 2,029,146 km (0.048 R)
• M5: 3,000,933 km (0.032 R)
• M6: 3,686,690 km (0.101 R)
• M7: 4,320,087 km (0.111 R)
• M8: 4,776,510 km (0.113 R)
• M9: 5,693,994 km (0.115 R)
• M10: 6,401,592 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.4

Radius: 9.3

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.93 AU - 3.85 AU

Year: 4308 Days

Day: 8.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 84,684,364 km

• M1: 127,906 km (0.067 R)
• M2: 443,258 km (0.113 R)
• M3: 752,178 km (0.101 R)
• M4: 1,136,944 km (0.051 R)
• M5: 2,736,295 km (0.065 R)
• M6: 4,768,133 km (0.112 R)
• M7: 5,314,464 km (0.089 R)
• M8: 5,844,190 km (0.111 R)
• M9: 6,720,236 km (0.102 R)
• M10: 7,107,395 km (0.098 R)
• M11: 10,290,688 km (0.119 R)
• M12: 11,069,794 km (0.109 R)
• M13: 11,794,745 km (0.107 R)
• M14: 12,502,941 km (0.095 R)
• M15: 16,016,098 km (0.093 R)
• M16: 17,601,087 km (0.103 R)
• M17: 18,213,840 km (0.069 R)
• M18: 20,071,397 km (0.052 R)
• M19: 21,011,919 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 380.2

Radius: 9.1

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 2.76 AU - 4.5 AU

Year: 4774 Days

Day: 9.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 48.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,684,364 km

• M1: 113,844 km (0.102 R)
• M2: 539,001 km (0.103 R)
• M3: 854,653 km (0.116 R)
• M4: 1,148,762 km (0.069 R)
• M5: 1,763,759 km (0.047 R)
• M6: 2,295,430 km (0.072 R)
• M7: 3,308,656 km (0.116 R)
• M8: 3,678,462 km (0.114 R)
• M9: 4,207,291 km (0.114 R)
• M10: 4,713,679 km (0.061 R)
• M11: 5,208,848 km (0.111 R)
• M12: 6,101,349 km (0.081 R)
• M13: 6,450,062 km (0.078 R)
• M14: 7,643,254 km (0.106 R)
• M15: 10,876,812 km (0.076 R)
• M16: 11,875,827 km (0.118 R)
• M17: 22,241,613 km (0.088 R)
• M18: 22,999,775 km (0.113 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416

Radius: 12.4

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 3.49 AU - 5.25 AU

Year: 6306 Days

Day: 13.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,684,364 km

• M1: 154,235 km (0.075 R)
• M2: 664,215 km (0.083 R)
• M3: 1,331,571 km (0.074 R)
• M4: 2,498,733 km (0.093 R)
• M5: 2,896,364 km (0.049 R)
• M6: 4,233,919 km (0.073 R)
• M7: 6,038,368 km (0.076 R)
• M8: 6,600,258 km (0.091 R)
• M9: 7,027,659 km (0.093 R)
• M10: 8,308,965 km (0.12 R)
• M11: 10,737,238 km (0.088 R)
• M12: 12,984,646 km (0.08 R)
• M13: 15,357,717 km (0.093 R)
• M14: 17,503,998 km (0.068 R)
• M15: 19,173,510 km (0.085 R)
• M16: 21,801,346 km (0.102 R)
• M17: 22,976,587 km (0.102 R)
• M18: 28,618,821 km (0.104 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 374.8

Radius: 6.2

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.8 AU - 7.44 AU

Year: 11757 Days

Day: 24 Hours

Environment

Temp: -225 °C

Axial Tilt: 61.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 84,684,364 km

• M1: 77,193 km (0.073 R)
• M2: 276,457 km (0.08 R)
• M3: 469,438 km (0.111 R)
• M4: 791,522 km (0.057 R)
• M5: 993,629 km (0.092 R)
• M6: 1,289,833 km (0.078 R)
• M7: 1,587,533 km (0.025 R)
• M8: 2,060,711 km (0.085 R)
• M9: 2,357,662 km (0.076 R)
• M10: 2,888,136 km (0.116 R)
• M11: 3,423,697 km (0.107 R)
• M12: 4,898,283 km (0.053 R)
• M13: 6,101,349 km (0.104 R)
• M14: 8,539,046 km (0.096 R)
• M15: 9,730,893 km (0.088 R)
• M16: 10,168,167 km (0.079 R)
• M17: 10,618,457 km (0.111 R)
• M18: 10,822,808 km (0.114 R)
• M19: 11,829,601 km (0.089 R)
• M20: 12,215,863 km (0.1 R)
• M21: 12,782,091 km (0.055 R)
• M22: 17,671,248 km (0.109 R)
• M23: 18,764,510 km (0.027 R)
• M24: 19,671,073 km (0.083 R)
• M25: 19,902,052 km (0.114 R)
• M26: 20,685,646 km (0.077 R)
• M27: 21,327,121 km (0.069 R)
• M28: 23,245,116 km (0.072 R)
• M29: 24,290,206 km (0.071 R)
• M30: 28,784,425 km (0.105 R)
• M31: 29,988,688 km (0.094 R)
• M32: 30,192,740 km (0.116 R)
• M33: 30,706,609 km (0.067 R)
• M34: 31,751,849 km (0.108 R)
• M35: 33,254,859 km (0.097 R)
• M36: 36,867,049 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 464.5

Radius: 3.5

Gravity: 37.92 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 7.7 AU - 7.96 AU

Year: 15124 Days

Day: 21.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 84,684,364 km

• M1: 43,533 km (0.055 R)
• M2: 170,990 km (0.054 R)
• M3: 423,811 km (0.057 R)
• M4: 1,247,497 km (0.096 R)
• M5: 1,759,869 km (0.117 R)
• M6: 2,090,780 km (0.111 R)
• M7: 2,320,113 km (0.062 R)
• M8: 4,209,983 km (0.091 R)
• M9: 5,061,943 km (0.105 R)
• M10: 5,231,438 km (0.042 R)
• M11: 6,136,505 km (0.109 R)
• M12: 10,203,024 km (0.104 R)
• M13: 11,958,854 km (0.084 R)
• M14: 12,751,573 km (0.073 R)
• M15: 13,002,449 km (0.08 R)
• M16: 16,200,851 km (0.074 R)
• M17: 18,574,820 km (0.076 R)
• M18: 22,600,498 km (0.075 R)
• M19: 23,903,346 km (0.116 R)
• M20: 27,481,727 km (0.058 R)
• M21: 28,428,981 km (0.101 R)
• M22: 32,204,233 km (0.081 R)
• M23: 36,300,073 km (0.067 R)
• M24: 37,953,578 km (0.033 R)
• M25: 38,342,233 km (0.098 R)
• M26: 48,331,332 km (0.096 R)
• M27: 48,483,174 km (0.094 R)
• M28: 49,864,112 km (0.105 R)
• M29: 50,486,289 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 650.2

Radius: 3.2

Gravity: 63.5 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 6.68 AU - 9.42 AU

Year: 15765 Days

Day: 20.4 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 84,684,364 km

• M1: 46,824 km (0.096 R)
• M2: 321,037 km (0.086 R)
• M3: 527,332 km (0.102 R)
• M4: 888,761 km (0.119 R)
• M5: 1,516,025 km (0.085 R)
• M6: 1,921,285 km (0.106 R)
• M7: 2,868,689 km (0.076 R)
• M8: 3,039,978 km (0.045 R)
• M9: 3,140,807 km (0.066 R)
• M10: 3,999,798 km (0.047 R)
• M11: 5,398,239 km (0.097 R)
• M12: 6,492,996 km (0.104 R)
• M13: 7,048,304 km (0.074 R)
• M14: 8,107,157 km (0.048 R)
• M15: 9,587,578 km (0.077 R)
• M16: 10,137,201 km (0.111 R)
• M17: 11,000,530 km (0.084 R)
• M18: 13,952,395 km (0.068 R)
• M19: 15,385,543 km (0.073 R)
• M20: 16,600,577 km (0.107 R)
• M21: 17,714,781 km (0.108 R)
• M22: 25,154,583 km (0.101 R)
• M23: 28,589,499 km (0.041 R)
• M24: 31,840,560 km (0.115 R)
• M25: 38,789,531 km (0.117 R)
• M26: 40,178,248 km (0.106 R)
• M27: 41,743,790 km (0.101 R)
• M28: 44,392,420 km (0.037 R)
• M29: 44,844,505 km (0.072 R)
• M30: 45,911,138 km (0.103 R)
• M31: 48,572,035 km (0.107 R)
• M32: 51,831,773 km (0.118 R)
• M33: 53,515,048 km (0.1 R)
• M34: 60,797,771 km (0.08 R)
• M35: 61,916,016 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 829.6

Radius: 5

Gravity: 33.18 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.4 AU - 12.3 AU

Year: 21339 Days

Day: 16.5 Hours

Environment

Temp: -239 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 84,684,364 km

• M1: 62,682 km (0.099 R)
• M2: 371,302 km (0.084 R)
• M3: 580,739 km (0.085 R)
• M4: 1,432,549 km (0.046 R)
• M5: 1,959,882 km (0.071 R)
• M6: 2,416,155 km (0.066 R)
• M7: 3,272,154 km (0.102 R)
• M8: 3,784,527 km (0.073 R)
• M9: 4,177,072 km (0.118 R)
• M10: 6,604,148 km (0.109 R)
• M11: 7,027,659 km (0.097 R)
• M12: 7,620,216 km (0.105 R)
• M13: 9,131,304 km (0.081 R)
• M14: 13,020,400 km (0.114 R)
• M15: 14,450,556 km (0.082 R)
• M16: 15,243,873 km (0.099 R)
• M17: 16,065,914 km (0.106 R)
• M18: 17,178,024 km (0.114 R)
• M19: 18,894,361 km (0.092 R)
• M20: 19,938,703 km (0.116 R)
• M21: 21,121,125 km (0.117 R)
• M22: 24,835,790 km (0.047 R)
• M23: 31,384,736 km (0.064 R)
• M24: 33,525,780 km (0.09 R)
• M25: 35,762,119 km (0.113 R)
• M26: 36,771,157 km (0.08 R)
• M27: 38,845,780 km (0.101 R)
• M28: 39,452,549 km (0.049 R)
• M29: 40,529,504 km (0.102 R)
• M30: 40,996,997 km (0.085 R)
• M31: 48,974,603 km (0.111 R)
• M32: 49,327,803 km (0.099 R)
• M33: 50,397,428 km (0.073 R)
• M34: 65,741,831 km (0.05 R)
• M35: 71,475,619 km (0.043 R)
• M36: 75,634,589 km (0.117 R)
• M37: 82,420,049 km (0.067 R)
• M38: 82,919,706 km (0.073 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 264 - 12,499 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit