🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 649.9

Radius: 14.4

Gravity: 3.13 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.54 AU - 0.64 AU

Year: 302 Days

Day: 14.1 Hours

Environment

Temp: -148 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,009,904 km

• M1: 179,069 km (0.076 R)
• M2: 655,538 km (0.111 R)
• M3: 1,117,945 km (0.091 R)
• M4: 1,596,508 km (0.04 R)
• M5: 2,053,680 km (0.105 R)
• M6: 2,600,011 km (0.108 R)
• M7: 4,039,442 km (0.101 R)
• M8: 4,504,242 km (0.053 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.8

Radius: 10.9

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.61 AU - 0.77 AU

Year: 382 Days

Day: 14.3 Hours

Environment

Temp: -159 °C

Axial Tilt: 8.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 66,009,904 km

• M1: 135,536 km (0.1 R)
• M2: 476,170 km (0.11 R)
• M3: 830,867 km (0.037 R)
• M4: 1,257,221 km (0.113 R)
• M5: 1,904,231 km (0.057 R)
• M6: 2,703,084 km (0.089 R)
• M7: 3,306,263 km (0.103 R)
• M8: 3,652,282 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 325.6

Radius: 11.9

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.86 AU - 1.42 AU

Year: 812 Days

Day: 14.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 66,009,904 km

• M1: 148,102 km (0.081 R)
• M2: 600,635 km (0.091 R)
• M3: 990,787 km (0.108 R)
• M4: 1,608,626 km (0.048 R)
• M5: 1,990,100 km (0.115 R)
• M6: 2,413,014 km (0.104 R)
• M7: 2,975,053 km (0.109 R)
• M8: 3,584,215 km (0.117 R)
• M9: 4,202,204 km (0.112 R)
• M10: 4,606,418 km (0.076 R)
• M11: 5,102,484 km (0.04 R)
• M12: 5,563,545 km (0.062 R)
• M13: 6,089,681 km (0.038 R)
• M14: 6,589,337 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 827.1

Radius: 10.9

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.66 AU - 1.68 AU

Year: 1439 Days

Day: 13.2 Hours

Environment

Temp: -192 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 66,009,904 km

• M1: 135,536 km (0.11 R)
• M2: 484,697 km (0.084 R)
• M3: 1,632,711 km (0.058 R)
• M4: 2,053,829 km (0.117 R)
• M5: 2,445,028 km (0.118 R)
• M6: 2,830,093 km (0.069 R)
• M7: 3,774,504 km (0.076 R)
• M8: 4,404,760 km (0.113 R)
• M9: 4,958,421 km (0.098 R)
• M10: 5,783,603 km (0.081 R)
• M11: 6,522,467 km (0.079 R)
• M12: 6,927,877 km (0.105 R)
• M13: 8,600,531 km (0.1 R)
• M14: 9,245,148 km (0.108 R)
• M15: 9,725,058 km (0.085 R)
• M16: 10,458,986 km (0.067 R)
• M17: 11,051,094 km (0.104 R)
• M18: 12,532,562 km (0.052 R)
• M19: 13,001,850 km (0.106 R)
• M20: 13,645,719 km (0.119 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 951.6

Radius: 12

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.52 AU - 1.96 AU

Year: 1531 Days

Day: 10.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 66,009,904 km

• M1: 149,299 km (0.106 R)
• M2: 679,174 km (0.119 R)
• M3: 1,155,943 km (0.087 R)
• M4: 1,663,080 km (0.086 R)
• M5: 2,054,876 km (0.106 R)
• M6: 2,562,163 km (0.105 R)
• M7: 5,436,686 km (0.047 R)
• M8: 7,536,142 km (0.09 R)
• M9: 8,172,980 km (0.119 R)
• M10: 12,299,339 km (0.117 R)
• M11: 13,852,164 km (0.059 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.3

Radius: 9.9

Gravity: 8.5 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.82 AU - 2.78 AU

Year: 2326 Days

Day: 7.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 66,009,904 km

• M1: 127,757 km (0.093 R)
• M2: 441,912 km (0.091 R)
• M3: 905,965 km (0.094 R)
• M4: 1,290,282 km (0.091 R)
• M5: 3,018,586 km (0.12 R)
• M6: 3,339,922 km (0.098 R)
• M7: 3,914,079 km (0.114 R)
• M8: 4,256,059 km (0.12 R)
• M9: 4,661,918 km (0.096 R)
• M10: 5,023,646 km (0.097 R)
• M11: 5,502,210 km (0.115 R)
• M12: 6,010,992 km (0.071 R)
• M13: 8,531,417 km (0.074 R)
• M14: 8,868,162 km (0.083 R)
• M15: 9,354,504 km (0.099 R)
• M16: 9,712,642 km (0.102 R)
• M17: 10,342,748 km (0.11 R)
• M18: 10,725,868 km (0.074 R)
• M19: 11,039,276 km (0.047 R)
• M20: 11,643,352 km (0.115 R)
• M21: 12,100,224 km (0.113 R)
• M22: 12,829,813 km (0.105 R)
• M23: 13,183,163 km (0.069 R)
• M24: 15,441,642 km (0.117 R)
• M25: 17,296,655 km (0.063 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96

Radius: 8.6

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.63 AU - 3.61 AU

Year: 3675 Days

Day: 11.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 66,009,904 km

• M1: 108,907 km (0.088 R)
• M2: 409,599 km (0.052 R)
• M3: 1,142,479 km (0.11 R)
• M4: 2,046,648 km (0.109 R)
• M5: 2,416,006 km (0.102 R)
• M6: 3,748,773 km (0.088 R)
• M7: 4,268,326 km (0.1 R)
• M8: 7,245,773 km (0.107 R)
• M9: 7,668,686 km (0.104 R)
• M10: 9,127,564 km (0.085 R)
• M11: 10,461,230 km (0.107 R)
• M12: 11,139,955 km (0.089 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 760

Radius: 9.5

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.07 AU - 4.01 AU

Year: 4442 Days

Day: 8.9 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 66,009,904 km

• M1: 118,182 km (0.062 R)
• M2: 501,153 km (0.116 R)
• M3: 1,000,361 km (0.037 R)
• M4: 1,351,617 km (0.095 R)
• M5: 2,535,534 km (0.1 R)
• M6: 3,162,499 km (0.078 R)
• M7: 4,352,849 km (0.115 R)
• M8: 4,749,583 km (0.097 R)
• M9: 5,089,619 km (0.12 R)
• M10: 5,907,171 km (0.092 R)
• M11: 6,941,341 km (0.083 R)
• M12: 11,728,623 km (0.046 R)
• M13: 13,098,939 km (0.112 R)
• M14: 14,034,524 km (0.082 R)
• M15: 14,518,623 km (0.066 R)
• M16: 15,013,941 km (0.104 R)
• M17: 16,038,238 km (0.082 R)
• M18: 16,627,205 km (0.068 R)
• M19: 16,926,999 km (0.104 R)
• M20: 18,673,105 km (0.117 R)
• M21: 20,330,799 km (0.092 R)
• M22: 21,441,863 km (0.077 R)
• M23: 22,228,897 km (0.028 R)
• M24: 23,183,780 km (0.118 R)
• M25: 25,096,389 km (0.095 R)
• M26: 25,810,121 km (0.098 R)
• M27: 28,886,601 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 203.3

Radius: 6.2

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.08 AU - 10.16 AU

Year: 16877 Days

Day: 19.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 66,009,904 km

• M1: 77,641 km (0.12 R)
• M2: 323,730 km (0.061 R)
• M3: 565,480 km (0.034 R)
• M4: 1,091,765 km (0.071 R)
• M5: 2,033,633 km (0.119 R)
• M6: 2,277,179 km (0.1 R)
• M7: 3,172,672 km (0.108 R)
• M8: 4,367,211 km (0.074 R)
• M9: 4,714,876 km (0.081 R)
• M10: 4,956,776 km (0.103 R)
• M11: 5,302,945 km (0.089 R)
• M12: 6,512,594 km (0.103 R)
• M13: 7,005,519 km (0.081 R)
• M14: 7,401,355 km (0.103 R)
• M15: 7,980,298 km (0.118 R)
• M16: 10,550,240 km (0.091 R)
• M17: 12,617,533 km (0.111 R)
• M18: 14,053,972 km (0.117 R)
• M19: 14,303,501 km (0.068 R)
• M20: 15,397,510 km (0.094 R)
• M21: 15,796,488 km (0.067 R)
• M22: 16,545,973 km (0.107 R)
• M23: 17,176,678 km (0.105 R)
• M24: 18,115,704 km (0.112 R)
• M25: 19,860,314 km (0.078 R)
• M26: 23,416,704 km (0.037 R)
• M27: 25,761,053 km (0.109 R)
• M28: 26,323,391 km (0.078 R)
• M29: 32,514,050 km (0.104 R)
• M30: 32,950,876 km (0.104 R)
• M31: 33,502,443 km (0.11 R)
• M32: 39,981,976 km (0.12 R)
• M33: 43,184,866 km (0.108 R)
• M34: 43,978,184 km (0.052 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 446.3

Radius: 7.2

Gravity: 8.61 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 7.69 AU - 11.63 AU

Year: 20021 Days

Day: 20.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 66,009,904 km

• M1: 103,073 km (0.116 R)
• M2: 461,360 km (0.119 R)
• M3: 956,080 km (0.055 R)
• M4: 3,649,889 km (0.115 R)
• M5: 5,294,119 km (0.103 R)
• M6: 5,553,073 km (0.105 R)
• M7: 7,289,007 km (0.07 R)
• M8: 8,379,126 km (0.09 R)
• M9: 12,426,497 km (0.069 R)
• M10: 13,219,365 km (0.092 R)
• M11: 18,444,669 km (0.082 R)
• M12: 18,698,836 km (0.091 R)
• M13: 23,484,323 km (0.11 R)
• M14: 31,734,496 km (0.114 R)
• M15: 34,605,877 km (0.049 R)
• M16: 38,743,605 km (0.094 R)
• M17: 43,648,171 km (0.063 R)
• M18: 44,402,593 km (0.093 R)
• M19: 53,455,807 km (0.095 R)
• M20: 56,074,219 km (0.093 R)
• M21: 58,229,625 km (0.099 R)
• M22: 62,323,371 km (0.075 R)
• M23: 65,026,006 km (0.071 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: 445 - 17,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit