🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.4

Radius: 10.1

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.52 AU - 0.64 AU

Year: 295 Days

Day: 13.4 Hours

Environment

Temp: -145 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 64,776,355 km

• M1: 125,662 km (0.09 R)
• M2: 498,759 km (0.045 R)
• M3: 821,891 km (0.11 R)
• M4: 1,220,419 km (0.112 R)
• M5: 1,611,169 km (0.036 R)
• M6: 2,022,114 km (0.064 R)
• M7: 2,484,671 km (0.054 R)
• M8: 3,016,791 km (0.053 R)
• M9: 3,473,064 km (0.111 R)
• M10: 3,851,248 km (0.094 R)
• M11: 4,165,702 km (0.118 R)
• M12: 4,607,315 km (0.091 R)
• M13: 4,991,632 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 761.1

Radius: 13.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 0.66 AU - 0.94 AU

Year: 477 Days

Day: 6.5 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,776,355 km

• M1: 167,998 km (0.059 R)
• M2: 724,802 km (0.053 R)
• M3: 1,153,250 km (0.088 R)
• M4: 1,633,609 km (0.089 R)
• M5: 2,378,756 km (0.094 R)
• M6: 2,917,308 km (0.1 R)
• M7: 3,487,426 km (0.092 R)
• M8: 4,034,505 km (0.102 R)
• M9: 4,460,111 km (0.073 R)
• M10: 5,122,979 km (0.048 R)
• M11: 5,762,660 km (0.04 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.9

Radius: 10.7

Gravity: 3.91 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 1.59 AU - 2.01 AU

Year: 1610 Days

Day: 9 Hours

Environment

Temp: -188 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 64,776,355 km

• M1: 134,488 km (0.04 R)
• M2: 485,595 km (0.104 R)
• M3: 1,540,110 km (0.067 R)
• M4: 2,330,136 km (0.117 R)
• M5: 3,036,238 km (0.05 R)
• M6: 4,187,244 km (0.093 R)
• M7: 5,149,757 km (0.094 R)
• M8: 5,522,854 km (0.071 R)
• M9: 5,958,483 km (0.106 R)
• M10: 6,776,185 km (0.071 R)
• M11: 7,250,560 km (0.106 R)
• M12: 8,154,730 km (0.119 R)
• M13: 8,491,175 km (0.069 R)
• M14: 9,102,582 km (0.059 R)
• M15: 9,836,958 km (0.033 R)
• M16: 10,445,821 km (0.11 R)
• M17: 11,458,449 km (0.101 R)
• M18: 11,881,362 km (0.049 R)

Asteroid Belt

Center: 2.5 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.1

Radius: 14.6

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 2.71 AU - 3.69 AU

Year: 3817 Days

Day: 9.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 64,776,355 km

• M1: 181,612 km (0.107 R)
• M2: 668,852 km (0.075 R)
• M3: 1,291,179 km (0.08 R)
• M4: 1,873,414 km (0.084 R)
• M5: 2,366,489 km (0.095 R)
• M6: 3,237,148 km (0.069 R)
• M7: 3,718,704 km (0.112 R)
• M8: 4,782,195 km (0.108 R)
• M9: 6,344,296 km (0.09 R)
• M10: 7,014,345 km (0.064 R)
• M11: 7,667,190 km (0.119 R)
• M12: 8,158,021 km (0.117 R)
• M13: 8,774,962 km (0.106 R)
• M14: 11,059,172 km (0.047 R)
• M15: 13,199,918 km (0.118 R)
• M16: 14,246,056 km (0.119 R)
• M17: 14,839,510 km (0.098 R)
• M18: 17,380,430 km (0.101 R)
• M19: 18,404,128 km (0.077 R)
• M20: 19,588,345 km (0.078 R)
• M21: 21,139,376 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.8

Radius: 8.2

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 4.12 AU - 4.82 AU

Year: 6302 Days

Day: 11.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 145.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,776,355 km

• M1: 102,026 km (0.118 R)
• M2: 363,224 km (0.052 R)
• M3: 875,596 km (0.074 R)
• M4: 1,178,981 km (0.097 R)
• M5: 1,991,297 km (0.07 R)
• M6: 2,391,023 km (0.107 R)
• M7: 3,205,882 km (0.115 R)
• M8: 3,579,428 km (0.109 R)
• M9: 4,151,042 km (0.078 R)
• M10: 4,901,425 km (0.076 R)
• M11: 5,685,766 km (0.075 R)
• M12: 6,094,318 km (0.087 R)
• M13: 6,610,132 km (0.103 R)
• M14: 7,031,100 km (0.058 R)
• M15: 7,374,427 km (0.107 R)
• M16: 7,794,498 km (0.058 R)
• M17: 10,021,412 km (0.081 R)
• M18: 10,781,070 km (0.066 R)
• M19: 15,113,574 km (0.101 R)
• M20: 15,372,079 km (0.106 R)
• M21: 16,381,416 km (0.114 R)
• M22: 22,166,365 km (0.062 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.7

Radius: 12.6

Gravity: 4.59 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.07 AU - 5.87 AU

Year: 7389 Days

Day: 10.8 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,776,355 km

• M1: 157,826 km (0.1 R)
• M2: 673,639 km (0.113 R)
• M3: 1,462,020 km (0.056 R)
• M4: 2,125,786 km (0.05 R)
• M5: 3,066,008 km (0.11 R)
• M6: 3,690,729 km (0.069 R)
• M7: 5,256,420 km (0.118 R)
• M8: 6,053,627 km (0.1 R)
• M9: 7,650,884 km (0.114 R)
• M10: 8,337,837 km (0.12 R)
• M11: 9,558,706 km (0.076 R)
• M12: 11,146,687 km (0.041 R)
• M13: 15,844,808 km (0.065 R)
• M14: 17,300,096 km (0.095 R)
• M15: 24,706,388 km (0.108 R)
• M16: 25,938,027 km (0.071 R)
• M17: 26,387,718 km (0.113 R)
• M18: 27,488,160 km (0.118 R)
• M19: 28,523,527 km (0.109 R)
• M20: 29,977,169 km (0.057 R)
• M21: 30,472,488 km (0.118 R)
• M22: 32,612,934 km (0.087 R)
• M23: 34,960,873 km (0.027 R)
• M24: 37,305,221 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 364.2

Radius: 10

Gravity: 3.64 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 4.71 AU - 6.71 AU

Year: 9099 Days

Day: 13 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,776,355 km

• M1: 179,667 km (0.101 R)
• M2: 506,090 km (0.082 R)
• M3: 855,550 km (0.06 R)
• M4: 1,249,292 km (0.048 R)
• M5: 1,590,674 km (0.056 R)
• M6: 3,074,386 km (0.12 R)
• M7: 4,168,096 km (0.04 R)
• M8: 7,934,073 km (0.046 R)
• M9: 8,576,745 km (0.053 R)
• M10: 15,089,339 km (0.109 R)
• M11: 18,313,622 km (0.098 R)
• M12: 23,479,835 km (0.104 R)
• M13: 24,971,924 km (0.096 R)
• M14: 26,880,194 km (0.055 R)
• M15: 30,985,010 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 960.2

Radius: 3.7

Gravity: 70.14 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 8.06 AU - 10.74 AU

Year: 19219 Days

Day: 19.3 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 64,776,355 km

• M1: 46,076 km (0.073 R)
• M2: 211,831 km (0.103 R)
• M3: 1,279,810 km (0.112 R)
• M4: 1,605,784 km (0.109 R)
• M5: 2,217,190 km (0.072 R)
• M6: 2,686,030 km (0.054 R)
• M7: 3,722,593 km (0.114 R)
• M8: 3,848,555 km (0.083 R)
• M9: 4,278,050 km (0.116 R)
• M10: 6,318,715 km (0.109 R)
• M11: 7,153,920 km (0.105 R)
• M12: 8,112,842 km (0.055 R)
• M13: 10,281,712 km (0.075 R)
• M14: 11,631,982 km (0.054 R)
• M15: 13,535,915 km (0.093 R)
• M16: 24,089,895 km (0.079 R)
• M17: 37,881,771 km (0.117 R)
• M18: 47,949,259 km (0.117 R)
• M19: 48,468,663 km (0.068 R)
• M20: 55,376,494 km (0.078 R)
• M21: 58,078,232 km (0.102 R)
• M22: 75,919,124 km (0.06 R)
• M23: 81,439,435 km (0.11 R)
• M24: 82,922,249 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 319.2

Radius: 3.6

Gravity: 24.63 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 8 AU - 13.2 AU

Year: 23014 Days

Day: 21.4 Hours

Environment

Temp: -246 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 64,776,355 km

• M1: 45,029 km (0.09 R)
• M2: 570,417 km (0.07 R)
• M3: 724,652 km (0.106 R)
• M4: 2,749,310 km (0.11 R)
• M5: 3,323,616 km (0.114 R)
• M6: 3,624,906 km (0.115 R)
• M7: 3,738,750 km (0.075 R)
• M8: 4,064,574 km (0.094 R)
• M9: 4,704,853 km (0.096 R)
• M10: 5,634,454 km (0.119 R)
• M11: 9,304,988 km (0.115 R)
• M12: 9,627,371 km (0.077 R)
• M13: 10,237,730 km (0.043 R)
• M14: 10,991,704 km (0.054 R)
• M15: 16,385,305 km (0.119 R)
• M16: 24,814,846 km (0.1 R)
• M17: 25,852,457 km (0.111 R)
• M18: 26,169,305 km (0.111 R)
• M19: 39,100,695 km (0.101 R)
• M20: 43,707,860 km (0.088 R)
• M21: 45,986,834 km (0.049 R)
• M22: 53,467,326 km (0.1 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: 153 - 15,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit