🌌 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: 573.1

Radius: 15

Gravity: 2.55 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.58 AU - 0.88 AU

Year: 403 Days

Day: 9.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 83,637,178 km

• M1: 186,698 km (0.091 R)
• M2: 701,315 km (0.037 R)
• M3: 1,685,519 km (0.087 R)
• M4: 2,337,916 km (0.055 R)
• M5: 3,019,932 km (0.116 R)
• M6: 3,906,599 km (0.098 R)
• M7: 4,674,036 km (0.076 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 493.3

Radius: 13.3

Gravity: 2.79 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 2.19 AU - 2.59 AU

Year: 2386 Days

Day: 6.1 Hours

Environment

Temp: -190 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 83,637,178 km

• M1: 165,455 km (0.116 R)
• M2: 696,528 km (0.113 R)
• M3: 1,228,348 km (0.089 R)
• M4: 2,186,074 km (0.093 R)
• M5: 2,947,377 km (0.115 R)
• M6: 3,474,710 km (0.057 R)
• M7: 4,256,508 km (0.109 R)
• M8: 4,847,869 km (0.109 R)
• M9: 5,516,870 km (0.063 R)
• M10: 6,323,203 km (0.05 R)
• M11: 7,840,424 km (0.086 R)
• M12: 8,386,157 km (0.088 R)
• M13: 9,690,501 km (0.097 R)
• M14: 12,292,607 km (0.078 R)
• M15: 14,505,458 km (0.03 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 724.4

Radius: 11.9

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 3.63 AU - 5.55 AU

Year: 6349 Days

Day: 9.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 83,637,178 km

• M1: 151,991 km (0.1 R)
• M2: 831,914 km (0.031 R)
• M3: 1,228,647 km (0.078 R)
• M4: 1,852,321 km (0.114 R)
• M5: 2,570,241 km (0.12 R)
• M6: 3,667,990 km (0.12 R)
• M7: 4,775,014 km (0.102 R)
• M8: 5,287,686 km (0.109 R)
• M9: 6,028,196 km (0.088 R)
• M10: 6,978,292 km (0.083 R)
• M11: 7,792,553 km (0.049 R)
• M12: 9,347,324 km (0.12 R)
• M13: 10,060,307 km (0.12 R)
• M14: 10,953,855 km (0.086 R)
• M15: 12,418,568 km (0.111 R)
• M16: 14,067,286 km (0.078 R)
• M17: 15,244,621 km (0.094 R)
• M18: 15,795,291 km (0.098 R)
• M19: 18,200,376 km (0.053 R)
• M20: 25,051,659 km (0.058 R)
• M21: 26,778,468 km (0.1 R)
• M22: 27,761,475 km (0.09 R)
• M23: 30,275,916 km (0.093 R)
• M24: 32,837,181 km (0.101 R)
• M25: 33,963,205 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.7

Radius: 8

Gravity: 12.75 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 4.8 AU - 6.76 AU

Year: 8972 Days

Day: 10.7 Hours

Environment

Temp: -230 °C

Axial Tilt: 41.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,637,178 km

• M1: 102,774 km (0.074 R)
• M2: 530,025 km (0.063 R)
• M3: 928,404 km (0.028 R)
• M4: 1,424,471 km (0.101 R)
• M5: 2,227,363 km (0.111 R)
• M6: 4,690,192 km (0.098 R)
• M7: 5,315,362 km (0.117 R)
• M8: 7,443,840 km (0.079 R)
• M9: 8,426,549 km (0.116 R)
• M10: 10,034,128 km (0.039 R)
• M11: 12,289,914 km (0.11 R)
• M12: 12,813,955 km (0.109 R)
• M13: 14,284,353 km (0.109 R)
• M14: 17,411,247 km (0.09 R)
• M15: 22,653,456 km (0.069 R)
• M16: 25,724,999 km (0.041 R)
• M17: 28,053,341 km (0.088 R)
• M18: 31,695,151 km (0.098 R)
• M19: 40,281,171 km (0.037 R)
• M20: 46,839,393 km (0.12 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 228.7

Radius: 10.5

Gravity: 2.07 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.32 AU - 6.54 AU

Year: 9324 Days

Day: 11 Hours

Environment

Temp: -210 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 83,637,178 km

• M1: 130,599 km (0.074 R)
• M2: 530,324 km (0.075 R)
• M3: 1,451,099 km (0.047 R)
• M4: 2,357,064 km (0.098 R)
• M5: 3,560,729 km (0.103 R)
• M6: 8,299,839 km (0.105 R)
• M7: 12,782,839 km (0.118 R)
• M8: 14,114,559 km (0.112 R)
• M9: 15,536,636 km (0.058 R)
• M10: 15,951,322 km (0.11 R)
• M11: 19,199,989 km (0.084 R)
• M12: 21,449,492 km (0.025 R)
• M13: 21,964,109 km (0.113 R)
• M14: 26,549,733 km (0.052 R)
• M15: 29,424,704 km (0.119 R)
• M16: 30,797,564 km (0.11 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 116.7

Radius: 3

Gravity: 12.97 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 6.9 AU - 7.48 AU

Year: 12448 Days

Day: 17.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 83,637,178 km

• M1: 37,549 km (0.118 R)
• M2: 467,194 km (0.09 R)
• M3: 1,631,066 km (0.094 R)
• M4: 2,047,396 km (0.088 R)
• M5: 2,689,321 km (0.085 R)
• M6: 3,497,897 km (0.067 R)
• M7: 3,876,230 km (0.09 R)
• M8: 4,661,619 km (0.082 R)
• M9: 4,819,744 km (0.07 R)
• M10: 5,665,271 km (0.118 R)
• M11: 6,344,894 km (0.05 R)
• M12: 6,473,997 km (0.117 R)
• M13: 7,499,341 km (0.076 R)
• M14: 8,786,781 km (0.056 R)
• M15: 9,779,512 km (0.047 R)
• M16: 10,082,597 km (0.065 R)
• M17: 11,357,770 km (0.086 R)
• M18: 17,094,997 km (0.068 R)
• M19: 17,725,104 km (0.087 R)
• M20: 20,966,590 km (0.119 R)
• M21: 21,109,606 km (0.108 R)
• M22: 21,615,247 km (0.061 R)
• M23: 25,873,101 km (0.064 R)
• M24: 29,746,789 km (0.115 R)

Asteroid Belt

Center: 8.78 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 881.3

Radius: 5.6

Gravity: 28.1 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 9.14 AU - 11.58 AU

Year: 21531 Days

Day: 19.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 83,637,178 km

• M1: 69,713 km (0.083 R)
• M2: 399,426 km (0.082 R)
• M3: 1,045,839 km (0.088 R)
• M4: 1,240,615 km (0.03 R)
• M5: 2,122,943 km (0.052 R)
• M6: 2,996,595 km (0.031 R)
• M7: 3,543,974 km (0.093 R)
• M8: 4,088,360 km (0.093 R)
• M9: 5,064,935 km (0.094 R)
• M10: 7,723,439 km (0.076 R)
• M11: 7,931,679 km (0.067 R)
• M12: 11,389,035 km (0.116 R)
• M13: 12,072,099 km (0.073 R)
• M14: 14,441,580 km (0.094 R)
• M15: 16,239,597 km (0.065 R)
• M16: 16,668,045 km (0.06 R)
• M17: 19,303,511 km (0.118 R)
• M18: 21,478,963 km (0.114 R)
• M19: 21,995,225 km (0.095 R)
• M20: 32,759,391 km (0.054 R)
• M21: 33,997,163 km (0.081 R)
• M22: 35,265,753 km (0.08 R)
• M23: 40,499,734 km (0.093 R)
• M24: 45,548,064 km (0.115 R)
• M25: 51,182,667 km (0.111 R)
• M26: 59,259,606 km (0.116 R)
• M27: 63,176,826 km (0.073 R)
• M28: 67,483,001 km (0.092 R)
• M29: 75,482,448 km (0.117 R)
• M30: 80,325,529 km (0.088 R)
• M31: 84,601,485 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 185

Radius: 4.1

Gravity: 11.01 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.6 AU - 12.24 AU

Year: 21718 Days

Day: 24.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 83,637,178 km

• M1: 56,698 km (0.042 R)
• M2: 472,580 km (0.092 R)
• M3: 1,118,842 km (0.103 R)
• M4: 2,164,083 km (0.101 R)
• M5: 2,876,917 km (0.109 R)
• M6: 6,617,761 km (0.049 R)
• M7: 6,776,036 km (0.094 R)
• M8: 11,375,871 km (0.114 R)
• M9: 12,303,078 km (0.025 R)
• M10: 14,705,022 km (0.115 R)
• M11: 22,569,083 km (0.091 R)
• M12: 23,749,260 km (0.094 R)
• M13: 24,120,562 km (0.105 R)
• M14: 40,868,941 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 725.8

Radius: 3.3

Gravity: 66.65 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 8.28 AU - 13.56 AU

Year: 23300 Days

Day: 19 Hours

Environment

Temp: -223 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 83,637,178 km

• M1: 43,383 km (0.072 R)
• M2: 354,547 km (0.116 R)
• M3: 1,711,998 km (0.051 R)
• M4: 1,905,278 km (0.114 R)
• M5: 2,049,192 km (0.111 R)
• M6: 3,784,976 km (0.09 R)
• M7: 5,331,519 km (0.104 R)
• M8: 5,659,437 km (0.119 R)
• M9: 5,785,847 km (0.075 R)
• M10: 8,451,233 km (0.086 R)
• M11: 9,955,888 km (0.073 R)
• M12: 16,106,305 km (0.046 R)
• M13: 16,617,182 km (0.05 R)
• M14: 17,581,789 km (0.103 R)
• M15: 22,544,100 km (0.111 R)
• M16: 27,391,370 km (0.094 R)
• M17: 30,120,334 km (0.091 R)
• M18: 40,465,027 km (0.097 R)
• M19: 41,249,518 km (0.091 R)
• M20: 42,686,855 km (0.092 R)
• M21: 47,718,878 km (0.115 R)
• M22: 56,568,340 km (0.095 R)
• M23: 60,966,069 km (0.081 R)
• M24: 66,450,327 km (0.099 R)
• M25: 71,340,233 km (0.067 R)
• M26: 73,640,001 km (0.072 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 633.1

Radius: 4.5

Gravity: 31.26 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 8.67 AU - 13.59 AU

Year: 23975 Days

Day: 23.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 83,637,178 km

• M1: 60,587 km (0.086 R)
• M2: 379,380 km (0.099 R)
• M3: 551,567 km (0.099 R)
• M4: 1,113,158 km (0.083 R)
• M5: 1,832,424 km (0.112 R)
• M6: 4,900,377 km (0.05 R)
• M7: 13,735,478 km (0.074 R)
• M8: 14,267,448 km (0.064 R)
• M9: 14,499,474 km (0.112 R)
• M10: 23,543,264 km (0.046 R)
• M11: 26,220,767 km (0.098 R)
• M12: 31,513,240 km (0.086 R)
• M13: 37,328,409 km (0.08 R)
• M14: 45,302,125 km (0.082 R)
• M15: 47,501,961 km (0.084 R)
• M16: 48,192,954 km (0.103 R)
• M17: 55,665,816 km (0.099 R)
• M18: 62,419,412 km (0.082 R)
• M19: 78,721,990 km (0.116 R)
• M20: 79,932,087 km (0.026 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 255 - 11,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit