🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.8

Radius: 10.3

Gravity: 5.31 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 0.48 AU - 0.6 AU

Year: 265 Days

Day: 12.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,472,833 km

• M1: 128,056 km (0.105 R)
• M2: 475,272 km (0.07 R)
• M3: 929,152 km (0.114 R)
• M4: 1,268,590 km (0.102 R)
• M5: 1,679,984 km (0.075 R)
• M6: 2,009,997 km (0.096 R)
• M7: 2,859,115 km (0.047 R)
• M8: 3,673,675 km (0.078 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 801

Radius: 12

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.64 AU - 0.86 AU

Year: 433 Days

Day: 9 Hours

Environment

Temp: -155 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 89,472,833 km

• M1: 149,299 km (0.066 R)
• M2: 550,071 km (0.027 R)
• M3: 1,013,825 km (0.046 R)
• M4: 1,429,707 km (0.108 R)
• M5: 1,811,032 km (0.1 R)
• M6: 2,234,244 km (0.086 R)
• M7: 2,796,732 km (0.098 R)
• M8: 3,250,014 km (0.118 R)
• M9: 3,637,622 km (0.073 R)
• M10: 4,463,701 km (0.09 R)
• M11: 4,960,516 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.6

Radius: 14.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.95 AU - 1.15 AU

Year: 717 Days

Day: 14 Hours

Environment

Temp: -179 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 89,472,833 km

• M1: 181,612 km (0.113 R)
• M2: 664,065 km (0.093 R)
• M3: 1,142,778 km (0.083 R)
• M4: 1,985,613 km (0.062 R)
• M5: 2,518,331 km (0.113 R)
• M6: 3,022,027 km (0.109 R)
• M7: 3,825,966 km (0.078 R)
• M8: 4,526,832 km (0.041 R)
• M9: 6,077,114 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.2

Radius: 8.3

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 2.29 AU - 2.67 AU

Year: 2604 Days

Day: 11.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,472,833 km

• M1: 103,223 km (0.044 R)
• M2: 432,936 km (0.104 R)
• M3: 712,834 km (0.046 R)
• M4: 981,960 km (0.075 R)
• M5: 1,338,602 km (0.069 R)
• M6: 3,004,673 km (0.077 R)
• M7: 3,336,033 km (0.052 R)
• M8: 3,746,978 km (0.05 R)
• M9: 4,252,170 km (0.107 R)
• M10: 5,615,605 km (0.116 R)
• M11: 6,042,707 km (0.101 R)
• M12: 8,906,758 km (0.12 R)
• M13: 11,784,273 km (0.031 R)
• M14: 12,867,062 km (0.11 R)
• M15: 15,277,234 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 601.7

Radius: 10.7

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.82 AU - 3.54 AU

Year: 3782 Days

Day: 14.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,472,833 km

• M1: 154,834 km (0.089 R)
• M2: 651,499 km (0.087 R)
• M3: 1,183,170 km (0.084 R)
• M4: 1,889,122 km (0.029 R)
• M5: 2,426,477 km (0.025 R)
• M6: 3,355,929 km (0.102 R)
• M7: 3,933,975 km (0.11 R)
• M8: 4,325,473 km (0.067 R)
• M9: 4,766,787 km (0.036 R)
• M10: 6,598,612 km (0.111 R)
• M11: 7,058,925 km (0.081 R)
• M12: 7,442,344 km (0.066 R)
• M13: 7,907,295 km (0.097 R)
• M14: 10,244,612 km (0.108 R)
• M15: 10,695,500 km (0.114 R)
• M16: 11,681,051 km (0.073 R)
• M17: 14,793,733 km (0.113 R)
• M18: 19,211,359 km (0.096 R)
• M19: 21,319,941 km (0.081 R)
• M20: 22,464,364 km (0.041 R)
• M21: 23,086,542 km (0.091 R)
• M22: 24,005,522 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340.6

Radius: 9.8

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.6 AU - 4.32 AU

Year: 4292 Days

Day: 14.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 89,472,833 km

• M1: 121,922 km (0.072 R)
• M2: 701,913 km (0.119 R)
• M3: 1,149,510 km (0.109 R)
• M4: 1,507,199 km (0.058 R)
• M5: 2,381,000 km (0.1 R)
• M6: 2,823,510 km (0.116 R)
• M7: 3,160,255 km (0.1 R)
• M8: 3,657,518 km (0.12 R)
• M9: 4,467,292 km (0.099 R)
• M10: 6,937,003 km (0.082 R)
• M11: 7,811,402 km (0.072 R)
• M12: 11,709,624 km (0.078 R)
• M13: 12,185,794 km (0.078 R)
• M14: 15,064,506 km (0.082 R)
• M15: 15,627,891 km (0.112 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.5

Radius: 12.1

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 4.25 AU - 4.29 AU

Year: 5884 Days

Day: 14.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 3.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,472,833 km

• M1: 178,769 km (0.074 R)
• M2: 1,963,322 km (0.096 R)
• M3: 2,714,902 km (0.044 R)
• M4: 4,763,196 km (0.084 R)
• M5: 6,090,877 km (0.116 R)
• M6: 12,817,546 km (0.099 R)
• M7: 14,814,228 km (0.054 R)
• M8: 15,193,459 km (0.116 R)
• M9: 16,543,131 km (0.115 R)
• M10: 17,247,288 km (0.101 R)
• M11: 20,531,859 km (0.074 R)
• M12: 22,964,021 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 162.9

Radius: 3.6

Gravity: 12.57 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 5.16 AU - 6.4 AU

Year: 9267 Days

Day: 20 Hours

Environment

Temp: -227 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 89,472,833 km

• M1: 48,320 km (0.112 R)
• M2: 444,156 km (0.112 R)
• M3: 643,720 km (0.101 R)
• M4: 1,542,803 km (0.084 R)
• M5: 1,665,623 km (0.106 R)
• M6: 4,312,009 km (0.073 R)
• M7: 4,733,576 km (0.088 R)
• M8: 6,071,430 km (0.12 R)
• M9: 6,441,535 km (0.118 R)
• M10: 12,367,106 km (0.111 R)
• M11: 13,367,168 km (0.052 R)
• M12: 26,245,750 km (0.099 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 638.4

Radius: 3.4

Gravity: 55.22 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 9.32 AU - 10.74 AU

Year: 21183 Days

Day: 24.9 Hours

Environment

Temp: -243 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,472,833 km

• M1: 42,635 km (0.049 R)
• M2: 150,645 km (0.096 R)
• M3: 346,768 km (0.093 R)
• M4: 539,001 km (0.092 R)
• M5: 650,452 km (0.104 R)
• M6: 820,096 km (0.109 R)
• M7: 1,069,774 km (0.083 R)
• M8: 1,177,335 km (0.115 R)
• M9: 1,647,372 km (0.094 R)
• M10: 1,773,184 km (0.117 R)
• M11: 2,319,365 km (0.075 R)
• M12: 3,102,660 km (0.091 R)
• M13: 6,093,570 km (0.051 R)
• M14: 6,264,860 km (0.07 R)
• M15: 7,075,530 km (0.113 R)
• M16: 7,653,277 km (0.1 R)
• M17: 11,274,743 km (0.066 R)
• M18: 13,742,509 km (0.087 R)
• M19: 14,185,917 km (0.112 R)
• M20: 15,101,456 km (0.111 R)
• M21: 15,893,876 km (0.097 R)
• M22: 20,753,114 km (0.085 R)
• M23: 22,030,680 km (0.064 R)
• M24: 31,065,494 km (0.083 R)
• M25: 35,004,705 km (0.07 R)
• M26: 39,559,511 km (0.108 R)
• M27: 40,305,107 km (0.112 R)
• M28: 43,381,288 km (0.115 R)
• M29: 44,014,686 km (0.091 R)
• M30: 44,333,778 km (0.071 R)
• M31: 48,622,450 km (0.08 R)
• M32: 52,103,742 km (0.114 R)
• M33: 56,683,980 km (0.103 R)
• M34: 60,732,996 km (0.088 R)
• M35: 69,832,735 km (0.092 R)
• M36: 73,578,666 km (0.119 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 872.9

Radius: 4.8

Gravity: 37.89 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 7.99 AU - 12.95 AU

Year: 22592 Days

Day: 17.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 89,472,833 km

• M1: 59,690 km (0.084 R)
• M2: 238,609 km (0.067 R)
• M3: 419,173 km (0.055 R)
• M4: 607,667 km (0.108 R)
• M5: 841,338 km (0.102 R)
• M6: 1,051,224 km (0.102 R)
• M7: 1,220,120 km (0.082 R)
• M8: 1,780,813 km (0.084 R)
• M9: 2,473,900 km (0.089 R)
• M10: 2,854,327 km (0.109 R)
• M11: 3,860,523 km (0.041 R)
• M12: 6,496,587 km (0.108 R)
• M13: 10,072,125 km (0.062 R)
• M14: 12,201,651 km (0.114 R)
• M15: 13,751,635 km (0.097 R)
• M16: 16,100,920 km (0.114 R)
• M17: 20,354,735 km (0.085 R)
• M18: 23,389,178 km (0.101 R)
• M19: 24,388,791 km (0.036 R)
• M20: 28,673,125 km (0.096 R)
• M21: 29,432,783 km (0.108 R)
• M22: 30,205,605 km (0.088 R)
• M23: 39,000,913 km (0.116 R)
• M24: 42,654,242 km (0.112 R)
• M25: 43,477,629 km (0.107 R)
• M26: 43,976,688 km (0.099 R)
• M27: 46,702,959 km (0.036 R)
• M28: 47,051,522 km (0.109 R)
• M29: 47,577,508 km (0.062 R)
• M30: 52,866,242 km (0.077 R)
• M31: 53,815,889 km (0.109 R)
• M32: 54,199,009 km (0.115 R)
• M33: 58,533,458 km (0.092 R)
• M34: 59,959,575 km (0.043 R)
• M35: 73,616,065 km (0.1 R)
• M36: 82,170,520 km (0.084 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 360 - 19,587 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit