🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.3

Radius: 10.9

Gravity: 2.97 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.85 AU - 1.07 AU

Year: 617 Days

Day: 11.3 Hours

Environment

Temp: -161 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,843,826 km

• M1: 135,536 km (0.11 R)
• M2: 475,572 km (0.086 R)
• M3: 838,496 km (0.096 R)
• M4: 1,245,103 km (0.103 R)
• M5: 1,616,555 km (0.048 R)
• M6: 1,964,070 km (0.119 R)
• M7: 3,017,239 km (0.112 R)
• M8: 3,551,154 km (0.079 R)
• M9: 3,945,943 km (0.052 R)
• M10: 4,455,473 km (0.091 R)
• M11: 4,977,420 km (0.103 R)
• M12: 5,897,447 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.1

Radius: 9.6

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 1.45 AU - 1.45 AU

Year: 1145 Days

Day: 13.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,843,826 km

• M1: 119,379 km (0.077 R)
• M2: 442,062 km (0.082 R)
• M3: 761,004 km (0.099 R)
• M4: 1,362,537 km (0.083 R)
• M5: 1,856,210 km (0.086 R)
• M6: 2,156,603 km (0.075 R)
• M7: 2,870,634 km (0.068 R)
• M8: 3,275,745 km (0.111 R)
• M9: 4,115,288 km (0.115 R)
• M10: 5,171,449 km (0.11 R)
• M11: 5,816,964 km (0.114 R)
• M12: 6,125,584 km (0.082 R)
• M13: 7,601,068 km (0.088 R)
• M14: 9,034,814 km (0.069 R)
• M15: 10,970,461 km (0.08 R)
• M16: 11,306,757 km (0.085 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.9

Radius: 10.1

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 1.17 AU - 1.95 AU

Year: 1278 Days

Day: 12.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,843,826 km

• M1: 125,662 km (0.068 R)
• M2: 503,696 km (0.064 R)
• M3: 865,424 km (0.083 R)
• M4: 1,253,630 km (0.077 R)
• M5: 1,684,921 km (0.058 R)
• M6: 2,247,409 km (0.093 R)
• M7: 2,622,451 km (0.115 R)
• M8: 3,039,230 km (0.103 R)
• M9: 3,731,719 km (0.085 R)
• M10: 4,124,114 km (0.042 R)
• M11: 5,511,335 km (0.044 R)
• M12: 6,448,267 km (0.08 R)
• M13: 7,261,630 km (0.063 R)
• M14: 7,590,147 km (0.095 R)
• M15: 7,981,645 km (0.049 R)
• M16: 10,301,908 km (0.101 R)
• M17: 11,110,933 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.7

Radius: 12.9

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.91 AU - 2.49 AU

Year: 2141 Days

Day: 11.5 Hours

Environment

Temp: -201 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,843,826 km

• M1: 163,660 km (0.07 R)
• M2: 600,037 km (0.106 R)
• M3: 1,255,276 km (0.062 R)
• M4: 1,749,248 km (0.078 R)
• M5: 2,156,902 km (0.079 R)
• M6: 3,295,342 km (0.118 R)
• M7: 4,023,285 km (0.07 R)
• M8: 4,443,356 km (0.081 R)
• M9: 5,800,209 km (0.089 R)
• M10: 6,934,011 km (0.1 R)
• M11: 10,645,833 km (0.025 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 73.6

Radius: 13.6

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 2.03 AU - 2.83 AU

Year: 2485 Days

Day: 5.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,843,826 km

• M1: 169,195 km (0.091 R)
• M2: 701,464 km (0.116 R)
• M3: 1,228,049 km (0.049 R)
• M4: 2,145,682 km (0.113 R)
• M5: 2,779,828 km (0.031 R)
• M6: 5,131,656 km (0.119 R)
• M7: 7,533,150 km (0.035 R)
• M8: 8,744,444 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.2

Radius: 9.8

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.48 AU - 2.6 AU

Year: 2656 Days

Day: 9.7 Hours

Environment

Temp: -194 °C

Axial Tilt: 33 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,843,826 km

• M1: 121,922 km (0.106 R)
• M2: 517,609 km (0.115 R)
• M3: 822,489 km (0.039 R)
• M4: 1,188,256 km (0.101 R)
• M5: 2,063,703 km (0.118 R)
• M6: 3,238,046 km (0.085 R)
• M7: 4,133,838 km (0.111 R)
• M8: 5,007,190 km (0.09 R)
• M9: 5,511,335 km (0.098 R)
• M10: 5,849,576 km (0.099 R)
• M11: 6,675,356 km (0.117 R)
• M12: 7,665,245 km (0.076 R)
• M13: 9,380,534 km (0.113 R)
• M14: 10,112,068 km (0.083 R)
• M15: 14,397,149 km (0.062 R)
• M16: 15,417,557 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 728.3

Radius: 12.1

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.52 AU - 3.96 AU

Year: 3826 Days

Day: 7.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,843,826 km

• M1: 150,495 km (0.105 R)
• M2: 982,559 km (0.113 R)
• M3: 1,407,118 km (0.039 R)
• M4: 2,880,208 km (0.063 R)
• M5: 4,299,742 km (0.051 R)
• M6: 5,414,695 km (0.05 R)
• M7: 5,968,506 km (0.078 R)
• M8: 7,028,407 km (0.032 R)
• M9: 9,208,647 km (0.099 R)
• M10: 10,791,841 km (0.074 R)
• M11: 13,274,118 km (0.092 R)
• M12: 16,059,032 km (0.102 R)
• M13: 18,038,062 km (0.114 R)
• M14: 20,568,810 km (0.118 R)
• M15: 21,850,265 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.89 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 983

Radius: 3.7

Gravity: 71.8 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 6.72 AU - 7.06 AU

Year: 11864 Days

Day: 22.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 62,843,826 km

• M1: 46,824 km (0.11 R)
• M2: 170,093 km (0.083 R)
• M3: 744,848 km (0.086 R)
• M4: 862,282 km (0.071 R)
• M5: 1,291,478 km (0.108 R)
• M6: 1,747,004 km (0.088 R)
• M7: 2,011,493 km (0.098 R)
• M8: 2,425,729 km (0.075 R)
• M9: 2,686,628 km (0.111 R)
• M10: 2,870,783 km (0.032 R)
• M11: 3,863,066 km (0.049 R)
• M12: 4,128,004 km (0.11 R)
• M13: 4,342,228 km (0.088 R)
• M14: 4,927,305 km (0.112 R)
• M15: 5,824,743 km (0.096 R)
• M16: 6,575,874 km (0.083 R)
• M17: 7,389,387 km (0.112 R)
• M18: 7,936,616 km (0.089 R)
• M19: 8,757,160 km (0.055 R)
• M20: 10,174,301 km (0.091 R)
• M21: 10,565,350 km (0.113 R)
• M22: 11,199,794 km (0.12 R)
• M23: 11,556,286 km (0.104 R)
• M24: 11,981,892 km (0.119 R)
• M25: 12,544,230 km (0.029 R)
• M26: 12,864,070 km (0.08 R)
• M27: 15,843,462 km (0.063 R)
• M28: 16,750,174 km (0.074 R)
• M29: 21,351,805 km (0.111 R)
• M30: 24,283,474 km (0.036 R)
• M31: 25,588,716 km (0.082 R)
• M32: 27,472,303 km (0.057 R)
• M33: 28,667,739 km (0.118 R)
• M34: 35,168,215 km (0.103 R)
• M35: 37,491,770 km (0.076 R)
• M36: 38,021,645 km (0.055 R)
• M37: 41,025,570 km (0.104 R)
• M38: 43,161,978 km (0.034 R)
• M39: 57,031,196 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.7

Radius: 3.6

Gravity: 42.8 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 9.4 AU - 11.66 AU

Year: 22416 Days

Day: 18.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 62,843,826 km

• M1: 55,501 km (0.107 R)
• M2: 220,657 km (0.067 R)
• M3: 335,099 km (0.088 R)
• M4: 561,142 km (0.078 R)
• M5: 927,507 km (0.097 R)
• M6: 1,128,716 km (0.109 R)
• M7: 2,527,306 km (0.094 R)
• M8: 2,793,142 km (0.112 R)
• M9: 3,642,708 km (0.081 R)
• M10: 3,856,184 km (0.065 R)
• M11: 4,110,201 km (0.083 R)
• M12: 8,189,436 km (0.085 R)
• M13: 8,555,652 km (0.102 R)
• M14: 8,878,035 km (0.102 R)
• M15: 9,894,254 km (0.096 R)
• M16: 13,619,989 km (0.112 R)
• M17: 14,659,993 km (0.052 R)
• M18: 16,646,802 km (0.08 R)
• M19: 18,359,997 km (0.113 R)
• M20: 19,626,792 km (0.116 R)
• M21: 21,144,612 km (0.117 R)
• M22: 23,046,450 km (0.093 R)
• M23: 25,059,439 km (0.055 R)
• M24: 28,590,098 km (0.039 R)
• M25: 29,309,664 km (0.107 R)
• M26: 29,673,934 km (0.05 R)
• M27: 30,164,316 km (0.095 R)
• M28: 31,667,924 km (0.116 R)
• M29: 32,958,505 km (0.082 R)
• M30: 46,681,118 km (0.076 R)
• M31: 48,181,734 km (0.096 R)
• M32: 53,416,014 km (0.05 R)
• M33: 60,181,727 km (0.11 R)
• M34: 73,578,666 km (0.036 R)
• M35: 74,251,258 km (0.082 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277

Radius: 4.3

Gravity: 14.98 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 9.21 AU - 12.59 AU

Year: 23607 Days

Day: 16 Hours

Environment

Temp: -232 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 62,843,826 km

• M1: 53,556 km (0.099 R)
• M2: 722,109 km (0.114 R)
• M3: 999,613 km (0.114 R)
• M4: 1,584,840 km (0.112 R)
• M5: 2,982,982 km (0.034 R)
• M6: 3,208,276 km (0.106 R)
• M7: 4,672,390 km (0.09 R)
• M8: 5,365,776 km (0.075 R)
• M9: 5,813,523 km (0.084 R)
• M10: 6,911,122 km (0.106 R)
• M11: 8,285,029 km (0.102 R)
• M12: 8,680,117 km (0.066 R)
• M13: 10,787,802 km (0.098 R)
• M14: 16,054,993 km (0.079 R)
• M15: 17,376,989 km (0.068 R)
• M16: 32,322,864 km (0.052 R)
• M17: 49,267,067 km (0.089 R)
• M18: 50,885,865 km (0.077 R)
• M19: 51,873,959 km (0.103 R)
• M20: 54,058,537 km (0.097 R)
• M21: 55,259,808 km (0.044 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 342 - 19,073 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit