🌌 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: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 879.4

Radius: 12.5

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 0.53 AU - 0.61 AU

Year: 297 Days

Day: 13.2 Hours

Environment

Temp: -137 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 65,637,998 km

• M1: 155,432 km (0.117 R)
• M2: 593,604 km (0.118 R)
• M3: 996,621 km (0.111 R)
• M4: 1,400,834 km (0.114 R)
• M5: 1,801,757 km (0.12 R)
• M6: 2,533,290 km (0.075 R)
• M7: 3,499,842 km (0.077 R)
• M8: 4,202,204 km (0.078 R)
• M9: 4,712,034 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428

Radius: 8.4

Gravity: 6.07 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.67 AU - 1.01 AU

Year: 531 Days

Day: 8.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,637,998 km

• M1: 104,419 km (0.088 R)
• M2: 401,969 km (0.07 R)
• M3: 785,987 km (0.103 R)
• M4: 1,225,655 km (0.086 R)
• M5: 1,637,797 km (0.105 R)
• M6: 1,980,975 km (0.044 R)
• M7: 2,326,097 km (0.051 R)
• M8: 2,973,108 km (0.105 R)
• M9: 3,427,586 km (0.093 R)
• M10: 4,950,194 km (0.117 R)
• M11: 5,359,942 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 768.9

Radius: 13.3

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.3 AU - 2.12 AU

Year: 1543 Days

Day: 6 Hours

Environment

Temp: -205 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,637,998 km

• M1: 166,203 km (0.113 R)
• M2: 742,155 km (0.063 R)
• M3: 1,192,744 km (0.098 R)
• M4: 1,883,886 km (0.08 R)
• M5: 2,310,838 km (0.099 R)
• M6: 2,803,165 km (0.116 R)
• M7: 4,128,752 km (0.063 R)
• M8: 4,860,435 km (0.12 R)
• M9: 5,279,458 km (0.091 R)
• M10: 7,257,591 km (0.116 R)
• M11: 8,150,242 km (0.039 R)
• M12: 8,593,201 km (0.057 R)
• M13: 9,208,796 km (0.072 R)
• M14: 10,391,218 km (0.08 R)
• M15: 11,561,971 km (0.116 R)
• M16: 12,700,710 km (0.083 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 8.8

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 2.97 AU - 3.01 AU

Year: 3569 Days

Day: 7.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,637,998 km

• M1: 109,506 km (0.089 R)
• M2: 491,728 km (0.105 R)
• M3: 941,419 km (0.104 R)
• M4: 1,424,022 km (0.066 R)
• M5: 1,797,119 km (0.1 R)
• M6: 2,115,912 km (0.116 R)
• M7: 2,635,166 km (0.104 R)
• M8: 3,219,645 km (0.089 R)
• M9: 3,617,875 km (0.086 R)
• M10: 5,227,847 km (0.073 R)
• M11: 5,549,183 km (0.069 R)
• M12: 6,508,704 km (0.111 R)
• M13: 9,031,074 km (0.117 R)
• M14: 9,386,518 km (0.1 R)
• M15: 10,087,534 km (0.08 R)
• M16: 10,470,205 km (0.044 R)
• M17: 12,056,392 km (0.094 R)
• M18: 13,153,842 km (0.109 R)
• M19: 14,173,351 km (0.071 R)
• M20: 14,702,628 km (0.097 R)
• M21: 15,095,622 km (0.082 R)
• M22: 15,800,378 km (0.094 R)
• M23: 16,264,879 km (0.115 R)
• M24: 18,046,440 km (0.12 R)
• M25: 18,725,315 km (0.075 R)
• M26: 19,954,262 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.8

Radius: 13.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 2.7 AU - 3.54 AU

Year: 3804 Days

Day: 6.4 Hours

Environment

Temp: -211 °C

Axial Tilt: 66 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,637,998 km

• M1: 176,825 km (0.113 R)
• M2: 616,044 km (0.091 R)
• M3: 1,456,186 km (0.096 R)
• M4: 1,928,915 km (0.085 R)
• M5: 2,615,120 km (0.109 R)
• M6: 3,698,209 km (0.077 R)
• M7: 6,707,669 km (0.102 R)
• M8: 7,873,635 km (0.087 R)
• M9: 8,505,237 km (0.099 R)
• M10: 9,132,651 km (0.06 R)
• M11: 10,070,929 km (0.052 R)
• M12: 10,816,225 km (0.112 R)
• M13: 11,731,764 km (0.063 R)
• M14: 13,322,887 km (0.105 R)
• M15: 14,323,697 km (0.107 R)
• M16: 15,699,100 km (0.025 R)
• M17: 16,362,716 km (0.067 R)
• M18: 17,687,255 km (0.069 R)
• M19: 18,224,611 km (0.026 R)
• M20: 19,144,488 km (0.084 R)
• M21: 24,507,572 km (0.038 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 179.8

Radius: 10

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.08 AU - 4.18 AU

Year: 4774 Days

Day: 6.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,637,998 km

• M1: 127,457 km (0.101 R)
• M2: 490,831 km (0.082 R)
• M3: 1,732,343 km (0.075 R)
• M4: 2,183,830 km (0.054 R)
• M5: 2,508,457 km (0.077 R)
• M6: 4,541,043 km (0.095 R)
• M7: 4,960,366 km (0.092 R)
• M8: 5,309,528 km (0.083 R)
• M9: 6,705,276 km (0.09 R)
• M10: 8,461,256 km (0.12 R)
• M11: 11,240,634 km (0.049 R)
• M12: 12,514,161 km (0.08 R)
• M13: 13,927,263 km (0.077 R)
• M14: 17,758,614 km (0.029 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.9

Radius: 13.9

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 4.71 AU - 5.93 AU

Year: 8470 Days

Day: 6.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 65,637,998 km

• M1: 172,935 km (0.11 R)
• M2: 837,898 km (0.114 R)
• M3: 1,315,564 km (0.118 R)
• M4: 2,467,916 km (0.095 R)
• M5: 2,900,553 km (0.079 R)
• M6: 3,601,868 km (0.09 R)
• M7: 4,312,458 km (0.027 R)
• M8: 4,809,721 km (0.096 R)
• M9: 6,078,909 km (0.071 R)
• M10: 7,709,975 km (0.055 R)
• M11: 8,607,263 km (0.06 R)
• M12: 11,035,685 km (0.062 R)
• M13: 11,522,028 km (0.111 R)
• M14: 12,278,395 km (0.113 R)
• M15: 12,747,983 km (0.108 R)
• M16: 14,229,151 km (0.109 R)
• M17: 15,278,580 km (0.09 R)
• M18: 15,761,332 km (0.112 R)
• M19: 16,504,535 km (0.078 R)
• M20: 16,948,691 km (0.093 R)
• M21: 27,515,686 km (0.081 R)
• M22: 28,412,076 km (0.114 R)
• M23: 29,606,316 km (0.028 R)
• M24: 31,898,904 km (0.095 R)
• M25: 32,888,194 km (0.12 R)
• M26: 34,410,353 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 548.8

Radius: 7.3

Gravity: 10.3 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 7.09 AU - 7.75 AU

Year: 13951 Days

Day: 24.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 65,637,998 km

• M1: 96,939 km (0.09 R)
• M2: 388,206 km (0.094 R)
• M3: 627,114 km (0.091 R)
• M4: 1,000,211 km (0.079 R)
• M5: 1,574,218 km (0.109 R)
• M6: 2,449,665 km (0.111 R)
• M7: 2,879,011 km (0.117 R)
• M8: 3,642,409 km (0.067 R)
• M9: 4,320,835 km (0.098 R)
• M10: 4,981,011 km (0.054 R)
• M11: 5,926,170 km (0.059 R)
• M12: 6,862,354 km (0.065 R)
• M13: 7,408,835 km (0.063 R)
• M14: 9,373,952 km (0.081 R)
• M15: 9,629,017 km (0.075 R)
• M16: 12,440,559 km (0.081 R)
• M17: 13,638,987 km (0.087 R)
• M18: 14,502,167 km (0.108 R)
• M19: 16,190,379 km (0.11 R)
• M20: 17,309,820 km (0.111 R)
• M21: 21,767,537 km (0.103 R)
• M22: 22,035,617 km (0.094 R)
• M23: 22,396,297 km (0.063 R)
• M24: 25,326,920 km (0.1 R)
• M25: 28,717,106 km (0.071 R)
• M26: 34,291,273 km (0.07 R)
• M27: 38,426,158 km (0.072 R)
• M28: 39,211,995 km (0.109 R)
• M29: 40,008,604 km (0.099 R)
• M30: 41,087,354 km (0.1 R)
• M31: 44,871,582 km (0.064 R)
• M32: 46,035,902 km (0.111 R)
• M33: 46,477,665 km (0.053 R)
• M34: 46,773,719 km (0.108 R)
• M35: 52,320,958 km (0.079 R)
• M36: 55,252,029 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 16.6

Radius: 6.7

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 8.06 AU - 9.22 AU

Year: 17530 Days

Day: 18.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,637,998 km

• M1: 110,852 km (0.106 R)
• M2: 360,980 km (0.118 R)
• M3: 2,685,132 km (0.095 R)
• M4: 3,667,242 km (0.12 R)
• M5: 4,732,080 km (0.047 R)
• M6: 5,962,672 km (0.102 R)
• M7: 7,516,994 km (0.096 R)
• M8: 12,857,189 km (0.108 R)
• M9: 13,081,287 km (0.068 R)
• M10: 18,754,786 km (0.101 R)
• M11: 19,926,287 km (0.075 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 412.1

Radius: 3.6

Gravity: 31.8 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 9.37 AU - 9.91 AU

Year: 20660 Days

Day: 16.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 27.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 65,637,998 km

• M1: 46,375 km (0.038 R)
• M2: 163,810 km (0.029 R)
• M3: 284,386 km (0.085 R)
• M4: 402,418 km (0.08 R)
• M5: 772,224 km (0.113 R)
• M6: 1,961,228 km (0.116 R)
• M7: 2,785,363 km (0.099 R)
• M8: 3,004,224 km (0.08 R)
• M9: 3,313,742 km (0.116 R)
• M10: 4,631,999 km (0.102 R)
• M11: 5,296,363 km (0.038 R)
• M12: 7,163,644 km (0.093 R)
• M13: 8,243,890 km (0.097 R)
• M14: 9,374,551 km (0.107 R)
• M15: 10,032,931 km (0.114 R)
• M16: 10,662,887 km (0.092 R)
• M17: 11,564,065 km (0.041 R)
• M18: 13,653,648 km (0.112 R)
• M19: 13,931,451 km (0.034 R)
• M20: 14,498,128 km (0.12 R)
• M21: 15,981,989 km (0.079 R)
• M22: 20,397,670 km (0.078 R)
• M23: 22,736,632 km (0.108 R)
• M24: 34,774,773 km (0.052 R)
• M25: 40,043,460 km (0.118 R)
• M26: 42,940,872 km (0.088 R)
• M27: 50,458,165 km (0.032 R)
• M28: 60,095,260 km (0.077 R)
• M29: 64,659,042 km (0.099 R)
• M30: 65,245,167 km (0.119 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 385 - 16,512 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit