🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.9

Radius: 8.6

Gravity: 13.25 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.75 AU - 0.97 AU

Year: 507 Days

Day: 6.2 Hours

Environment

Temp: -140 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,449,402 km

• M1: 107,112 km (0.104 R)
• M2: 464,501 km (0.102 R)
• M3: 753,824 km (0.094 R)
• M4: 1,034,918 km (0.11 R)
• M5: 1,464,563 km (0.118 R)
• M6: 1,819,858 km (0.084 R)
• M7: 2,156,154 km (0.101 R)
• M8: 2,565,603 km (0.078 R)
• M9: 2,885,893 km (0.038 R)
• M10: 3,397,368 km (0.102 R)
• M11: 3,840,626 km (0.087 R)
• M12: 4,246,485 km (0.119 R)
• M13: 4,585,324 km (0.104 R)
• M14: 4,942,115 km (0.105 R)
• M15: 5,265,097 km (0.072 R)
• M16: 6,241,373 km (0.116 R)
• M17: 6,907,532 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313

Radius: 14.1

Gravity: 1.57 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 0.77 AU - 1.13 AU

Year: 589 Days

Day: 5 Hours

Environment

Temp: -154 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 30,449,402 km

• M1: 175,329 km (0.109 R)
• M2: 675,135 km (0.035 R)
• M3: 1,269,936 km (0.047 R)
• M4: 2,440,240 km (0.096 R)
• M5: 3,337,379 km (0.088 R)
• M6: 4,133,838 km (0.091 R)
• M7: 4,656,084 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.7

Radius: 10.5

Gravity: 6.87 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 0.99 AU - 1.19 AU

Year: 724 Days

Day: 10.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,449,402 km

• M1: 131,646 km (0.064 R)
• M2: 610,509 km (0.092 R)
• M3: 1,016,368 km (0.028 R)
• M4: 1,357,301 km (0.067 R)
• M5: 1,742,217 km (0.041 R)
• M6: 2,250,251 km (0.104 R)
• M7: 2,843,407 km (0.075 R)
• M8: 3,229,220 km (0.051 R)
• M9: 3,749,970 km (0.069 R)
• M10: 4,168,844 km (0.088 R)
• M11: 4,787,431 km (0.047 R)
• M12: 5,154,993 km (0.084 R)
• M13: 5,541,255 km (0.109 R)
• M14: 5,927,217 km (0.083 R)
• M15: 6,539,671 km (0.104 R)
• M16: 7,398,662 km (0.045 R)
• M17: 8,060,333 km (0.058 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.5

Radius: 9.4

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 1.44 AU - 1.5 AU

Year: 1133 Days

Day: 6.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 30,449,402 km

• M1: 116,986 km (0.036 R)
• M2: 604,675 km (0.075 R)
• M3: 899,682 km (0.115 R)
• M4: 1,224,608 km (0.113 R)
• M5: 1,570,478 km (0.102 R)
• M6: 1,934,001 km (0.056 R)
• M7: 2,674,062 km (0.033 R)
• M8: 3,504,480 km (0.033 R)
• M9: 3,940,558 km (0.036 R)
• M10: 4,653,840 km (0.094 R)
• M11: 5,489,793 km (0.085 R)
• M12: 6,665,932 km (0.086 R)
• M13: 7,457,454 km (0.076 R)
• M14: 8,155,328 km (0.074 R)
• M15: 8,733,673 km (0.096 R)
• M16: 9,226,897 km (0.091 R)
• M17: 9,652,204 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.7

Radius: 12.3

Gravity: 1.99 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.55 AU - 1.73 AU

Year: 1335 Days

Day: 14 Hours

Environment

Temp: -180 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 30,449,402 km

• M1: 153,039 km (0.067 R)
• M2: 537,954 km (0.112 R)
• M3: 1,036,115 km (0.113 R)
• M4: 1,852,770 km (0.082 R)
• M5: 2,486,017 km (0.09 R)
• M6: 3,382,408 km (0.095 R)
• M7: 4,952,886 km (0.103 R)
• M8: 5,378,941 km (0.103 R)
• M9: 6,919,201 km (0.072 R)
• M10: 7,816,040 km (0.072 R)
• M11: 9,221,811 km (0.114 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236

Radius: 9

Gravity: 2.91 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.85 AU - 2.65 AU

Year: 2146 Days

Day: 13.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,449,402 km

• M1: 116,686 km (0.112 R)
• M2: 418,276 km (0.031 R)
• M3: 782,247 km (0.105 R)
• M4: 1,818,961 km (0.055 R)
• M5: 2,846,997 km (0.11 R)
• M6: 3,313,742 km (0.101 R)
• M7: 5,166,063 km (0.119 R)
• M8: 8,839,589 km (0.113 R)
• M9: 10,022,758 km (0.056 R)
• M10: 11,724,883 km (0.082 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 663.1

Radius: 12.9

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.37 AU - 3.75 AU

Year: 4271 Days

Day: 10.7 Hours

Environment

Temp: -214 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 30,449,402 km

• M1: 160,369 km (0.109 R)
• M2: 882,179 km (0.115 R)
• M3: 1,581,399 km (0.118 R)
• M4: 2,437,398 km (0.058 R)
• M5: 4,631,999 km (0.073 R)
• M6: 5,322,094 km (0.11 R)
• M7: 5,791,083 km (0.092 R)
• M8: 8,021,288 km (0.095 R)
• M9: 8,865,469 km (0.053 R)
• M10: 9,808,534 km (0.066 R)
• M11: 10,262,713 km (0.086 R)
• M12: 11,664,296 km (0.071 R)
• M13: 12,127,451 km (0.057 R)
• M14: 12,747,983 km (0.108 R)
• M15: 13,339,493 km (0.102 R)
• M16: 13,795,018 km (0.1 R)
• M17: 14,261,015 km (0.106 R)
• M18: 14,844,746 km (0.119 R)
• M19: 15,946,983 km (0.097 R)
• M20: 19,388,183 km (0.062 R)
• M21: 21,247,685 km (0.08 R)
• M22: 21,661,024 km (0.065 R)
• M23: 24,481,093 km (0.076 R)
• M24: 26,491,689 km (0.087 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 266.7

Radius: 10.1

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.19

Orbit Range: 3.27 AU - 4.81 AU

Year: 5163 Days

Day: 9.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 30,449,402 km

• M1: 131,197 km (0.099 R)
• M2: 451,038 km (0.096 R)
• M3: 923,318 km (0.11 R)
• M4: 1,646,923 km (0.118 R)
• M5: 2,059,813 km (0.099 R)
• M6: 2,496,040 km (0.042 R)
• M7: 2,959,345 km (0.044 R)
• M8: 3,330,049 km (0.114 R)
• M9: 3,672,478 km (0.115 R)
• M10: 4,252,170 km (0.097 R)
• M11: 7,325,509 km (0.118 R)
• M12: 8,109,102 km (0.096 R)
• M13: 8,947,598 km (0.089 R)
• M14: 10,593,025 km (0.08 R)
• M15: 12,658,074 km (0.067 R)
• M16: 14,825,448 km (0.116 R)
• M17: 15,286,958 km (0.112 R)
• M18: 15,652,425 km (0.105 R)
• M19: 17,911,951 km (0.063 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 378.4

Radius: 11.2

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 4.35 AU - 5.37 AU

Year: 6812 Days

Day: 8.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 30,449,402 km

• M1: 139,874 km (0.087 R)
• M2: 563,535 km (0.111 R)
• M3: 917,484 km (0.075 R)
• M4: 2,064,600 km (0.074 R)
• M5: 3,013,200 km (0.036 R)
• M6: 3,860,223 km (0.1 R)
• M7: 4,754,669 km (0.114 R)
• M8: 5,320,897 km (0.111 R)
• M9: 6,269,796 km (0.045 R)
• M10: 7,574,739 km (0.113 R)
• M11: 9,419,729 km (0.072 R)
• M12: 10,402,587 km (0.059 R)
• M13: 11,079,517 km (0.102 R)
• M14: 11,785,619 km (0.076 R)
• M15: 12,272,860 km (0.054 R)
• M16: 13,602,934 km (0.036 R)
• M17: 15,833,289 km (0.114 R)
• M18: 16,426,893 km (0.102 R)
• M19: 18,622,392 km (0.08 R)
• M20: 19,688,426 km (0.107 R)
• M21: 20,514,356 km (0.071 R)
• M22: 24,284,222 km (0.104 R)
• M23: 26,044,391 km (0.106 R)
• M24: 27,039,666 km (0.114 R)
• M25: 27,546,653 km (0.046 R)
• M26: 27,973,904 km (0.115 R)
• M27: 29,907,158 km (0.057 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 324 - 20,095 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit