🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 956.1

Radius: 8.1

Gravity: 14.57 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 0.55 AU - 0.87 AU

Year: 380 Days

Day: 11.6 Hours

Environment

Temp: -145 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,719,716 km

• M1: 100,679 km (0.087 R)
• M2: 383,419 km (0.093 R)
• M3: 723,306 km (0.086 R)
• M4: 1,028,485 km (0.091 R)
• M5: 1,355,806 km (0.083 R)
• M6: 1,782,758 km (0.107 R)
• M7: 2,083,599 km (0.081 R)
• M8: 2,371,276 km (0.106 R)
• M9: 3,746,828 km (0.028 R)
• M10: 4,147,152 km (0.053 R)
• M11: 4,473,126 km (0.095 R)
• M12: 4,846,971 km (0.091 R)
• M13: 5,112,806 km (0.079 R)
• M14: 5,708,356 km (0.035 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.6

Radius: 12.3

Gravity: 2.96 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.76 AU - 0.96 AU

Year: 507 Days

Day: 10.9 Hours

Environment

Temp: -141 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 59,719,716 km

• M1: 154,235 km (0.077 R)
• M2: 631,752 km (0.11 R)
• M3: 1,040,752 km (0.036 R)
• M4: 1,725,611 km (0.102 R)
• M5: 2,596,869 km (0.078 R)
• M6: 4,318,143 km (0.091 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 854.1

Radius: 9.3

Gravity: 9.88 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.18 AU - 1.36 AU

Year: 910 Days

Day: 14 Hours

Environment

Temp: -164 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 59,719,716 km

• M1: 123,717 km (0.089 R)
• M2: 444,455 km (0.108 R)
• M3: 776,263 km (0.074 R)
• M4: 1,293,274 km (0.085 R)
• M5: 1,957,638 km (0.108 R)
• M6: 2,540,172 km (0.118 R)
• M7: 3,164,893 km (0.066 R)
• M8: 3,491,764 km (0.082 R)
• M9: 3,809,959 km (0.075 R)
• M10: 4,809,572 km (0.109 R)
• M11: 5,243,555 km (0.085 R)
• M12: 5,682,774 km (0.105 R)
• M13: 5,975,089 km (0.071 R)
• M14: 7,640,262 km (0.071 R)
• M15: 8,127,054 km (0.092 R)
• M16: 8,743,696 km (0.106 R)
• M17: 9,162,421 km (0.119 R)
• M18: 9,979,973 km (0.036 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 836.7

Radius: 10

Gravity: 8.37 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 1.37 AU - 1.41 AU

Year: 1042 Days

Day: 7.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 59,719,716 km

• M1: 124,615 km (0.083 R)
• M2: 553,811 km (0.11 R)
• M3: 1,060,799 km (0.096 R)
• M4: 1,420,432 km (0.111 R)
• M5: 2,126,833 km (0.117 R)
• M6: 2,452,507 km (0.108 R)
• M7: 2,772,946 km (0.114 R)
• M8: 3,191,820 km (0.071 R)
• M9: 3,875,183 km (0.105 R)
• M10: 4,330,110 km (0.041 R)
• M11: 4,820,642 km (0.079 R)
• M12: 5,307,433 km (0.115 R)
• M13: 5,741,417 km (0.113 R)
• M14: 8,636,285 km (0.101 R)
• M15: 9,296,610 km (0.079 R)
• M16: 10,881,001 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.6

Radius: 11.3

Gravity: 0.53 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 1.75 AU - 2.09 AU

Year: 1692 Days

Day: 6.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 59,719,716 km

• M1: 143,913 km (0.114 R)
• M2: 635,641 km (0.091 R)
• M3: 1,062,594 km (0.116 R)
• M4: 1,580,801 km (0.084 R)
• M5: 2,004,911 km (0.116 R)
• M6: 2,358,111 km (0.088 R)
• M7: 2,850,887 km (0.099 R)
• M8: 3,614,434 km (0.069 R)
• M9: 4,100,926 km (0.098 R)
• M10: 5,991,993 km (0.077 R)
• M11: 6,539,073 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.9

Radius: 14.7

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.75 AU - 2.89 AU

Year: 2247 Days

Day: 6.5 Hours

Environment

Temp: -195 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 59,719,716 km

• M1: 182,809 km (0.106 R)
• M2: 694,134 km (0.107 R)
• M3: 1,272,031 km (0.092 R)
• M4: 1,998,179 km (0.09 R)
• M5: 2,991,359 km (0.084 R)
• M6: 5,848,379 km (0.043 R)
• M7: 8,172,980 km (0.119 R)
• M8: 9,157,484 km (0.095 R)
• M9: 9,730,145 km (0.064 R)
• M10: 10,579,262 km (0.084 R)
• M11: 11,593,237 km (0.056 R)
• M12: 13,044,785 km (0.116 R)
• M13: 14,887,980 km (0.083 R)
• M14: 16,161,208 km (0.088 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.07 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 696.4

Radius: 4.7

Gravity: 31.53 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.66 AU - 8.48 AU

Year: 14576 Days

Day: 17.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 59,719,716 km

• M1: 58,493 km (0.09 R)
• M2: 546,331 km (0.098 R)
• M3: 717,621 km (0.119 R)
• M4: 1,476,381 km (0.104 R)
• M5: 2,144,485 km (0.089 R)
• M6: 3,143,500 km (0.05 R)
• M7: 3,873,538 km (0.1 R)
• M8: 4,482,850 km (0.107 R)
• M9: 5,476,628 km (0.118 R)
• M10: 6,202,477 km (0.119 R)
• M11: 8,221,749 km (0.104 R)
• M12: 9,805,841 km (0.106 R)
• M13: 12,136,426 km (0.074 R)
• M14: 12,643,114 km (0.107 R)
• M15: 13,229,837 km (0.079 R)
• M16: 16,438,412 km (0.114 R)
• M17: 16,592,049 km (0.089 R)
• M18: 18,262,758 km (0.115 R)
• M19: 20,571,353 km (0.077 R)
• M20: 20,749,673 km (0.11 R)
• M21: 21,473,578 km (0.116 R)
• M22: 22,685,470 km (0.116 R)
• M23: 29,888,757 km (0.111 R)
• M24: 30,463,063 km (0.092 R)
• M25: 37,540,239 km (0.03 R)
• M26: 38,613,604 km (0.115 R)
• M27: 39,983,920 km (0.083 R)
• M28: 43,404,326 km (0.035 R)
• M29: 52,298,518 km (0.102 R)
• M30: 53,299,926 km (0.07 R)
• M31: 57,081,012 km (0.099 R)
• M32: 59,578,100 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 484.9

Radius: 6.9

Gravity: 10.18 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 7.42 AU - 9.44 AU

Year: 15562 Days

Day: 18.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 59,719,716 km

• M1: 88,263 km (0.118 R)
• M2: 357,389 km (0.114 R)
• M3: 579,243 km (0.066 R)
• M4: 887,564 km (0.067 R)
• M5: 1,876,256 km (0.078 R)
• M6: 2,258,629 km (0.085 R)
• M7: 3,155,169 km (0.094 R)
• M8: 3,405,895 km (0.049 R)
• M9: 3,779,441 km (0.099 R)
• M10: 4,833,507 km (0.11 R)
• M11: 5,305,638 km (0.068 R)
• M12: 5,588,976 km (0.106 R)
• M13: 5,995,135 km (0.084 R)
• M14: 7,639,814 km (0.088 R)
• M15: 7,955,764 km (0.103 R)
• M16: 8,327,515 km (0.088 R)
• M17: 9,055,758 km (0.084 R)
• M18: 11,146,986 km (0.105 R)
• M19: 14,003,707 km (0.094 R)
• M20: 15,456,751 km (0.103 R)
• M21: 16,256,651 km (0.115 R)
• M22: 26,749,745 km (0.05 R)
• M23: 27,164,879 km (0.102 R)
• M24: 30,079,195 km (0.103 R)
• M25: 32,957,608 km (0.07 R)
• M26: 42,123,619 km (0.069 R)
• M27: 43,109,918 km (0.094 R)
• M28: 44,836,427 km (0.119 R)
• M29: 46,012,715 km (0.111 R)
• M30: 46,608,563 km (0.098 R)
• M31: 57,368,091 km (0.116 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.3

Radius: 3.5

Gravity: 35.62 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 7.09 AU - 11.09 AU

Year: 17425 Days

Day: 18.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 59,719,716 km

• M1: 43,533 km (0.075 R)
• M2: 162,912 km (0.081 R)
• M3: 368,908 km (0.08 R)
• M4: 760,107 km (0.116 R)
• M5: 1,257,669 km (0.085 R)
• M6: 1,410,558 km (0.1 R)
• M7: 1,804,150 km (0.099 R)
• M8: 1,926,521 km (0.1 R)
• M9: 3,862,767 km (0.064 R)
• M10: 4,989,538 km (0.105 R)
• M11: 5,337,802 km (0.103 R)
• M12: 6,005,008 km (0.106 R)
• M13: 6,199,785 km (0.087 R)
• M14: 6,767,808 km (0.061 R)
• M15: 7,281,527 km (0.055 R)
• M16: 7,592,990 km (0.08 R)
• M17: 10,356,062 km (0.096 R)
• M18: 11,211,912 km (0.115 R)
• M19: 12,805,129 km (0.108 R)
• M20: 12,933,634 km (0.072 R)
• M21: 16,736,561 km (0.116 R)
• M22: 17,991,986 km (0.108 R)
• M23: 18,725,016 km (0.062 R)
• M24: 19,990,614 km (0.11 R)
• M25: 23,354,172 km (0.112 R)
• M26: 23,835,728 km (0.06 R)
• M27: 24,719,253 km (0.063 R)
• M28: 27,821,913 km (0.117 R)
• M29: 30,597,701 km (0.082 R)
• M30: 34,042,342 km (0.045 R)
• M31: 34,536,912 km (0.108 R)
• M32: 36,692,169 km (0.113 R)
• M33: 37,212,022 km (0.05 R)
• M34: 39,476,185 km (0.067 R)
• M35: 41,408,391 km (0.097 R)
• M36: 44,570,442 km (0.099 R)
• M37: 48,044,553 km (0.097 R)
• M38: 48,822,911 km (0.12 R)
• M39: 59,184,209 km (0.096 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 254 - 12,857 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit