🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 69.7

Radius: 10.6

Gravity: 0.62 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.7 AU - 0.76 AU

Year: 423 Days

Day: 9.4 Hours

Environment

Temp: -164 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,882,664 km

• M1: 131,945 km (0.115 R)
• M2: 472,729 km (0.098 R)
• M3: 888,611 km (0.096 R)
• M4: 1,222,364 km (0.092 R)
• M5: 1,572,872 km (0.083 R)
• M6: 2,191,010 km (0.086 R)
• M7: 2,535,086 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 568.8

Radius: 12.1

Gravity: 3.88 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.79 AU - 1.11 AU

Year: 628 Days

Day: 11 Hours

Environment

Temp: -166 °C

Axial Tilt: 16.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,882,664 km

• M1: 150,495 km (0.076 R)
• M2: 541,993 km (0.113 R)
• M3: 1,074,711 km (0.116 R)
• M4: 1,640,490 km (0.091 R)
• M5: 2,064,002 km (0.107 R)
• M6: 2,499,631 km (0.079 R)
• M7: 2,985,525 km (0.113 R)
• M8: 3,546,816 km (0.11 R)
• M9: 4,206,991 km (0.114 R)
• M10: 4,628,857 km (0.117 R)
• M11: 5,435,938 km (0.087 R)
• M12: 6,748,809 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.1

Radius: 8.3

Gravity: 13.68 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.27 AU - 1.57 AU

Year: 1148 Days

Day: 13.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,882,664 km

• M1: 103,223 km (0.08 R)
• M2: 468,092 km (0.09 R)
• M3: 761,603 km (0.12 R)
• M4: 1,034,918 km (0.105 R)
• M5: 1,720,824 km (0.115 R)
• M6: 2,124,439 km (0.065 R)
• M7: 2,551,990 km (0.052 R)
• M8: 3,225,180 km (0.097 R)
• M9: 4,151,640 km (0.118 R)
• M10: 4,960,366 km (0.066 R)
• M11: 7,503,530 km (0.112 R)
• M12: 9,084,331 km (0.088 R)
• M13: 11,782,777 km (0.068 R)
• M14: 12,144,654 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 669.8

Radius: 12.5

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 1.86 AU - 2.12 AU

Year: 1904 Days

Day: 6.3 Hours

Environment

Temp: -198 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,882,664 km

• M1: 155,432 km (0.076 R)
• M2: 572,212 km (0.097 R)
• M3: 1,031,328 km (0.062 R)
• M4: 1,604,736 km (0.105 R)
• M5: 2,542,865 km (0.119 R)
• M6: 3,324,962 km (0.03 R)
• M7: 4,204,149 km (0.038 R)
• M8: 4,719,663 km (0.098 R)
• M9: 5,735,433 km (0.06 R)
• M10: 6,972,308 km (0.09 R)
• M11: 7,639,664 km (0.107 R)
• M12: 8,626,262 km (0.031 R)
• M13: 9,429,004 km (0.105 R)
• M14: 10,888,930 km (0.107 R)
• M15: 11,981,593 km (0.114 R)
• M16: 12,414,678 km (0.098 R)
• M17: 13,862,786 km (0.119 R)
• M18: 15,100,110 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.4

Radius: 13.6

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.69 AU - 2.35 AU

Year: 1947 Days

Day: 10.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,882,664 km

• M1: 169,195 km (0.112 R)
• M2: 1,177,485 km (0.104 R)
• M3: 2,215,993 km (0.116 R)
• M4: 2,924,638 km (0.072 R)
• M5: 3,580,475 km (0.101 R)
• M6: 4,464,898 km (0.053 R)
• M7: 5,965,514 km (0.059 R)
• M8: 7,669,284 km (0.047 R)
• M9: 9,906,371 km (0.081 R)
• M10: 10,374,164 km (0.045 R)
• M11: 11,867,150 km (0.03 R)
• M12: 13,177,179 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.9

Radius: 13.4

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 2.35 AU - 3.01 AU

Year: 2976 Days

Day: 6.5 Hours

Environment

Temp: -213 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,882,664 km

• M1: 166,802 km (0.111 R)
• M2: 743,950 km (0.116 R)
• M3: 1,281,904 km (0.111 R)
• M4: 2,262,219 km (0.111 R)
• M5: 2,776,088 km (0.05 R)
• M6: 3,220,393 km (0.097 R)
• M7: 4,979,365 km (0.103 R)
• M8: 5,499,367 km (0.085 R)
• M9: 6,649,326 km (0.083 R)
• M10: 7,253,253 km (0.055 R)
• M11: 8,413,983 km (0.101 R)
• M12: 8,989,934 km (0.108 R)
• M13: 9,523,849 km (0.114 R)
• M14: 10,509,250 km (0.118 R)
• M15: 12,395,979 km (0.113 R)
• M16: 12,848,812 km (0.066 R)
• M17: 13,787,837 km (0.11 R)
• M18: 14,453,997 km (0.085 R)
• M19: 14,909,971 km (0.118 R)
• M20: 15,517,039 km (0.089 R)
• M21: 16,532,659 km (0.054 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.4

Radius: 13.8

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.5 AU - 4.08 AU

Year: 4047 Days

Day: 12.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,882,664 km

• M1: 171,589 km (0.111 R)
• M2: 686,654 km (0.083 R)
• M3: 1,140,684 km (0.106 R)
• M4: 1,793,678 km (0.074 R)
• M5: 2,821,715 km (0.096 R)
• M6: 3,827,462 km (0.091 R)
• M7: 4,413,885 km (0.054 R)
• M8: 8,521,693 km (0.104 R)
• M9: 9,081,937 km (0.108 R)
• M10: 10,058,213 km (0.097 R)
• M11: 10,497,582 km (0.117 R)
• M12: 12,302,031 km (0.086 R)
• M13: 13,585,431 km (0.108 R)
• M14: 14,909,223 km (0.117 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 547.4

Radius: 14

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.82 AU - 4.04 AU

Year: 5284 Days

Day: 12.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 48,882,664 km

• M1: 175,179 km (0.076 R)
• M2: 658,979 km (0.049 R)
• M3: 1,260,512 km (0.085 R)
• M4: 2,065,498 km (0.102 R)
• M5: 2,968,770 km (0.1 R)
• M6: 3,594,837 km (0.07 R)
• M7: 4,525,336 km (0.107 R)
• M8: 5,222,162 km (0.099 R)
• M9: 6,049,139 km (0.114 R)
• M10: 6,995,047 km (0.072 R)
• M11: 8,184,051 km (0.066 R)
• M12: 9,101,534 km (0.046 R)
• M13: 11,932,225 km (0.108 R)
• M14: 13,522,301 km (0.058 R)
• M15: 14,153,604 km (0.096 R)
• M16: 14,859,706 km (0.083 R)
• M17: 16,108,100 km (0.077 R)
• M18: 19,335,674 km (0.069 R)
• M19: 20,615,783 km (0.065 R)
• M20: 21,951,543 km (0.079 R)
• M21: 22,824,446 km (0.101 R)
• M22: 23,269,650 km (0.114 R)
• M23: 24,407,641 km (0.107 R)
• M24: 26,143,724 km (0.118 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 424.6

Radius: 13.1

Gravity: 2.47 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 4.89 AU - 5.17 AU

Year: 7651 Days

Day: 9.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 48,882,664 km

• M1: 162,912 km (0.11 R)
• M2: 950,545 km (0.096 R)
• M3: 1,442,123 km (0.088 R)
• M4: 2,030,043 km (0.108 R)
• M5: 2,648,032 km (0.12 R)
• M6: 3,201,993 km (0.12 R)
• M7: 5,315,212 km (0.091 R)
• M8: 6,106,585 km (0.111 R)
• M9: 6,699,441 km (0.107 R)
• M10: 7,330,445 km (0.09 R)
• M11: 8,116,432 km (0.05 R)
• M12: 10,488,756 km (0.116 R)
• M13: 12,810,365 km (0.108 R)
• M14: 14,690,810 km (0.11 R)
• M15: 15,636,717 km (0.094 R)
• M16: 19,199,989 km (0.052 R)
• M17: 21,505,143 km (0.104 R)
• M18: 22,109,069 km (0.118 R)
• M19: 23,668,627 km (0.064 R)
• M20: 24,312,646 km (0.062 R)
• M21: 27,268,401 km (0.112 R)
• M22: 31,122,042 km (0.08 R)
• M23: 31,992,701 km (0.095 R)
• M24: 32,879,518 km (0.071 R)
• M25: 33,479,854 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 476.6

Radius: 7.4

Gravity: 8.7 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 5.58 AU - 8.26 AU

Year: 12347 Days

Day: 18.4 Hours

Environment

Temp: -232 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 48,882,664 km

• M1: 93,050 km (0.1 R)
• M2: 381,325 km (0.097 R)
• M3: 725,250 km (0.066 R)
• M4: 2,368,433 km (0.045 R)
• M5: 3,529,014 km (0.11 R)
• M6: 4,080,432 km (0.064 R)
• M7: 4,997,616 km (0.04 R)
• M8: 5,762,211 km (0.078 R)
• M9: 6,081,752 km (0.051 R)
• M10: 6,564,205 km (0.035 R)
• M11: 7,903,555 km (0.09 R)
• M12: 10,473,497 km (0.102 R)
• M13: 12,408,545 km (0.105 R)
• M14: 14,055,468 km (0.096 R)
• M15: 15,298,327 km (0.108 R)
• M16: 16,189,930 km (0.084 R)
• M17: 20,266,622 km (0.075 R)
• M18: 21,764,545 km (0.049 R)
• M19: 22,021,255 km (0.106 R)
• M20: 24,147,789 km (0.093 R)
• M21: 24,607,354 km (0.117 R)
• M22: 25,639,130 km (0.092 R)
• M23: 25,925,461 km (0.083 R)
• M24: 28,804,322 km (0.103 R)
• M25: 33,228,230 km (0.095 R)
• M26: 47,147,265 km (0.053 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 276 - 18,590 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit