🌌 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: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.1

Radius: 12.7

Gravity: 3 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 0.47 AU - 0.59 AU

Year: 257 Days

Day: 5.1 Hours

Environment

Temp: -149 °C

Axial Tilt: 32.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 84,659,004 km

• M1: 158,125 km (0.073 R)
• M2: 554,410 km (0.064 R)
• M3: 1,244,056 km (0.115 R)
• M4: 1,649,167 km (0.118 R)
• M5: 2,202,679 km (0.11 R)
• M6: 2,978,045 km (0.035 R)
• M7: 3,511,660 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 715.4

Radius: 12.5

Gravity: 4.58 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.52 AU - 0.86 AU

Year: 382 Days

Day: 9.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,659,004 km

• M1: 155,432 km (0.082 R)
• M2: 637,586 km (0.093 R)
• M3: 1,296,565 km (0.109 R)
• M4: 2,050,538 km (0.117 R)
• M5: 2,445,028 km (0.115 R)
• M6: 2,932,118 km (0.115 R)
• M7: 3,760,292 km (0.071 R)
• M8: 4,468,937 km (0.095 R)
• M9: 5,019,607 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.7

Radius: 14

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.78 AU - 1.12 AU

Year: 617 Days

Day: 9.4 Hours

Environment

Temp: -174 °C

Axial Tilt: 157.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,659,004 km

• M1: 174,431 km (0.056 R)
• M2: 732,581 km (0.091 R)
• M3: 1,339,499 km (0.049 R)
• M4: 1,864,438 km (0.098 R)
• M5: 2,335,522 km (0.117 R)
• M6: 2,818,873 km (0.099 R)
• M7: 3,293,696 km (0.114 R)
• M8: 3,906,150 km (0.1 R)
• M9: 4,625,716 km (0.1 R)
• M10: 5,085,430 km (0.106 R)
• M11: 5,575,513 km (0.079 R)
• M12: 7,568,605 km (0.052 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.5

Radius: 12.6

Gravity: 3.05 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.21 AU - 1.57 AU

Year: 1093 Days

Day: 13 Hours

Environment

Temp: -194 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 84,659,004 km

• M1: 156,779 km (0.111 R)
• M2: 551,119 km (0.095 R)
• M3: 980,464 km (0.075 R)
• M4: 1,530,835 km (0.116 R)
• M5: 1,973,196 km (0.03 R)
• M6: 2,569,942 km (0.096 R)
• M7: 3,339,623 km (0.108 R)
• M8: 5,130,160 km (0.072 R)
• M9: 5,550,231 km (0.12 R)
• M10: 7,394,922 km (0.067 R)
• M11: 8,134,683 km (0.053 R)
• M12: 9,280,304 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 224.2

Radius: 10.3

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.77 AU - 1.89 AU

Year: 1651 Days

Day: 6.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 84,659,004 km

• M1: 128,953 km (0.071 R)
• M2: 567,126 km (0.114 R)
• M3: 924,664 km (0.096 R)
• M4: 1,261,409 km (0.106 R)
• M5: 2,032,736 km (0.113 R)
• M6: 2,388,330 km (0.101 R)
• M7: 3,199,898 km (0.108 R)
• M8: 3,684,895 km (0.066 R)
• M9: 4,040,339 km (0.104 R)
• M10: 4,469,685 km (0.057 R)
• M11: 5,518,665 km (0.109 R)
• M12: 5,964,916 km (0.04 R)
• M13: 6,391,270 km (0.12 R)
• M14: 8,461,704 km (0.066 R)
• M15: 9,363,630 km (0.112 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 987.1

Radius: 11.6

Gravity: 7.34 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.41 AU - 3.45 AU

Year: 3344 Days

Day: 6.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 42.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,659,004 km

• M1: 144,212 km (0.114 R)
• M2: 584,628 km (0.048 R)
• M3: 978,520 km (0.106 R)
• M4: 1,405,771 km (0.029 R)
• M5: 1,779,766 km (0.091 R)
• M6: 2,178,145 km (0.099 R)
• M7: 2,977,446 km (0.097 R)
• M8: 3,646,598 km (0.067 R)
• M9: 4,183,953 km (0.071 R)
• M10: 4,823,185 km (0.115 R)
• M11: 5,205,856 km (0.079 R)
• M12: 5,747,700 km (0.106 R)
• M13: 6,538,773 km (0.087 R)
• M14: 7,467,627 km (0.105 R)
• M15: 7,981,645 km (0.065 R)
• M16: 8,555,801 km (0.093 R)
• M17: 10,153,357 km (0.087 R)
• M18: 11,577,230 km (0.036 R)
• M19: 12,219,902 km (0.077 R)
• M20: 13,080,987 km (0.111 R)
• M21: 13,526,340 km (0.091 R)
• M22: 20,943,552 km (0.084 R)
• M23: 22,036,963 km (0.073 R)
• M24: 23,311,836 km (0.082 R)
• M25: 24,041,126 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 102.5

Radius: 12.2

Gravity: 0.69 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 4.68 AU - 4.7 AU

Year: 6773 Days

Day: 9.5 Hours

Environment

Temp: -233 °C

Axial Tilt: 7.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,659,004 km

• M1: 163,660 km (0.085 R)
• M2: 864,376 km (0.098 R)
• M3: 1,454,989 km (0.074 R)
• M4: 2,905,789 km (0.092 R)
• M5: 4,929,100 km (0.045 R)
• M6: 5,878,748 km (0.082 R)
• M7: 10,771,944 km (0.036 R)
• M8: 12,975,820 km (0.111 R)
• M9: 14,730,603 km (0.043 R)
• M10: 16,638,724 km (0.109 R)
• M11: 18,706,316 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 267.2

Radius: 3.6

Gravity: 20.62 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 6.67 AU - 9.49 AU

Year: 15316 Days

Day: 21.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,659,004 km

• M1: 46,076 km (0.087 R)
• M2: 265,237 km (0.095 R)
• M3: 513,270 km (0.07 R)
• M4: 1,011,581 km (0.083 R)
• M5: 1,363,884 km (0.082 R)
• M6: 1,484,011 km (0.083 R)
• M7: 1,920,837 km (0.058 R)
• M8: 3,613,686 km (0.077 R)
• M9: 4,224,943 km (0.037 R)
• M10: 5,414,396 km (0.119 R)
• M11: 6,544,009 km (0.118 R)
• M12: 8,165,501 km (0.085 R)
• M13: 8,564,179 km (0.093 R)
• M14: 8,929,198 km (0.11 R)
• M15: 10,701,334 km (0.113 R)
• M16: 11,071,140 km (0.094 R)
• M17: 11,286,262 km (0.094 R)
• M18: 11,669,532 km (0.116 R)
• M19: 23,669,674 km (0.1 R)
• M20: 30,238,367 km (0.076 R)
• M21: 31,726,567 km (0.114 R)
• M22: 33,486,287 km (0.041 R)
• M23: 34,390,007 km (0.085 R)
• M24: 40,919,805 km (0.073 R)
• M25: 46,117,882 km (0.064 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 841.1

Radius: 5.8

Gravity: 25 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 8.24 AU - 11.82 AU

Year: 21183 Days

Day: 16.1 Hours

Environment

Temp: -230 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 84,659,004 km

• M1: 72,555 km (0.088 R)
• M2: 346,319 km (0.12 R)
• M3: 565,480 km (0.111 R)
• M4: 833,260 km (0.111 R)
• M5: 2,221,678 km (0.105 R)
• M6: 2,472,105 km (0.063 R)
• M7: 2,665,984 km (0.06 R)
• M8: 3,002,728 km (0.084 R)
• M9: 3,367,448 km (0.061 R)
• M10: 4,677,028 km (0.031 R)
• M11: 5,089,768 km (0.081 R)
• M12: 7,082,861 km (0.118 R)
• M13: 10,023,656 km (0.116 R)
• M14: 10,207,661 km (0.063 R)
• M15: 11,161,198 km (0.055 R)
• M16: 13,614,753 km (0.084 R)
• M17: 13,916,192 km (0.09 R)
• M18: 14,926,876 km (0.102 R)
• M19: 18,342,943 km (0.055 R)
• M20: 18,526,200 km (0.118 R)
• M21: 19,843,858 km (0.101 R)
• M22: 20,922,160 km (0.049 R)
• M23: 26,904,279 km (0.058 R)
• M24: 28,223,733 km (0.086 R)
• M25: 28,961,250 km (0.098 R)
• M26: 31,250,995 km (0.07 R)
• M27: 32,842,866 km (0.04 R)
• M28: 38,239,161 km (0.042 R)
• M29: 43,869,725 km (0.073 R)
• M30: 46,370,254 km (0.055 R)
• M31: 67,018,649 km (0.082 R)
• M32: 71,003,488 km (0.057 R)
• M33: 73,514,787 km (0.105 R)
• M34: 81,155,798 km (0.078 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 492 - 16,795 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit