🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 979.3

Radius: 10.5

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.61 AU - 0.71 AU

Year: 358 Days

Day: 14.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 54,273,313 km

• M1: 130,599 km (0.119 R)
• M2: 595,699 km (0.101 R)
• M3: 1,104,930 km (0.099 R)
• M4: 1,509,443 km (0.095 R)
• M5: 2,181,436 km (0.102 R)
• M6: 2,576,973 km (0.1 R)
• M7: 4,307,671 km (0.104 R)
• M8: 5,058,802 km (0.111 R)
• M9: 5,457,779 km (0.033 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 806.1

Radius: 12.1

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.76 AU - 1.04 AU

Year: 569 Days

Day: 13.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,273,313 km

• M1: 150,944 km (0.103 R)
• M2: 550,071 km (0.089 R)
• M3: 942,018 km (0.111 R)
• M4: 1,338,602 km (0.103 R)
• M5: 1,767,648 km (0.095 R)
• M6: 2,582,508 km (0.118 R)
• M7: 3,124,501 km (0.085 R)
• M8: 3,633,283 km (0.111 R)
• M9: 4,065,322 km (0.063 R)
• M10: 4,469,386 km (0.063 R)
• M11: 4,950,044 km (0.113 R)
• M12: 5,754,282 km (0.075 R)
• M13: 6,188,116 km (0.109 R)
• M14: 6,603,250 km (0.101 R)
• M15: 7,271,653 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.8

Radius: 12.1

Gravity: 5.07 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 0.72 AU - 1.16 AU

Year: 608 Days

Day: 10.6 Hours

Environment

Temp: -168 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,273,313 km

• M1: 150,495 km (0.059 R)
• M2: 556,504 km (0.029 R)
• M3: 944,711 km (0.084 R)
• M4: 1,371,214 km (0.045 R)
• M5: 2,142,541 km (0.099 R)
• M6: 2,632,623 km (0.104 R)
• M7: 3,028,160 km (0.048 R)
• M8: 3,463,340 km (0.109 R)
• M9: 4,012,215 km (0.062 R)
• M10: 4,828,421 km (0.055 R)
• M11: 5,623,833 km (0.092 R)
• M12: 6,364,941 km (0.082 R)
• M13: 7,170,076 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 844.8

Radius: 14.6

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 1.86 AU - 2.44 AU

Year: 2102 Days

Day: 9.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,273,313 km

• M1: 181,612 km (0.105 R)
• M2: 754,721 km (0.118 R)
• M3: 1,265,299 km (0.097 R)
• M4: 1,788,592 km (0.051 R)
• M5: 2,350,631 km (0.115 R)
• M6: 2,998,989 km (0.052 R)
• M7: 4,087,313 km (0.111 R)
• M8: 5,145,568 km (0.114 R)
• M9: 6,273,836 km (0.094 R)
• M10: 7,651,183 km (0.083 R)
• M11: 8,492,073 km (0.085 R)
• M12: 9,086,126 km (0.069 R)
• M13: 11,506,320 km (0.065 R)
• M14: 11,988,773 km (0.095 R)
• M15: 13,037,305 km (0.088 R)
• M16: 13,561,945 km (0.117 R)
• M17: 14,237,678 km (0.084 R)
• M18: 17,167,552 km (0.101 R)
• M19: 18,173,748 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 804.3

Radius: 13.1

Gravity: 4.69 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.97 AU - 3.05 AU

Year: 2652 Days

Day: 5.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 54,273,313 km

• M1: 169,943 km (0.054 R)
• M2: 588,967 km (0.038 R)
• M3: 1,220,419 km (0.093 R)
• M4: 1,763,908 km (0.106 R)
• M5: 2,299,319 km (0.115 R)
• M6: 3,334,088 km (0.065 R)
• M7: 4,224,494 km (0.085 R)
• M8: 4,748,835 km (0.068 R)
• M9: 5,617,250 km (0.056 R)
• M10: 6,877,762 km (0.103 R)
• M11: 7,989,723 km (0.036 R)
• M12: 9,654,299 km (0.103 R)
• M13: 10,766,110 km (0.09 R)
• M14: 12,525,381 km (0.075 R)
• M15: 15,513,000 km (0.064 R)
• M16: 18,888,975 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 928.8

Radius: 9.8

Gravity: 9.67 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.43 AU - 2.71 AU

Year: 2747 Days

Day: 13.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,273,313 km

• M1: 122,221 km (0.113 R)
• M2: 649,105 km (0.088 R)
• M3: 1,094,458 km (0.059 R)
• M4: 1,845,888 km (0.1 R)
• M5: 2,335,223 km (0.063 R)
• M6: 3,479,497 km (0.118 R)
• M7: 4,251,571 km (0.117 R)
• M8: 5,233,382 km (0.038 R)
• M9: 7,415,716 km (0.109 R)
• M10: 8,619,680 km (0.066 R)
• M11: 9,454,436 km (0.12 R)
• M12: 13,386,167 km (0.114 R)
• M13: 15,370,284 km (0.079 R)
• M14: 17,373,250 km (0.102 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 714.3

Radius: 3.4

Gravity: 61.79 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 5.91 AU - 7.67 AU

Year: 11799 Days

Day: 15.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 54,273,313 km

• M1: 47,273 km (0.091 R)
• M2: 337,942 km (0.114 R)
• M3: 596,447 km (0.075 R)
• M4: 889,659 km (0.12 R)
• M5: 1,207,404 km (0.054 R)
• M6: 1,406,370 km (0.062 R)
• M7: 2,551,392 km (0.075 R)
• M8: 3,409,934 km (0.116 R)
• M9: 4,031,513 km (0.105 R)
• M10: 4,693,484 km (0.098 R)
• M11: 5,320,897 km (0.031 R)
• M12: 6,077,413 km (0.093 R)
• M13: 6,190,958 km (0.106 R)
• M14: 6,344,745 km (0.109 R)
• M15: 6,619,855 km (0.09 R)
• M16: 7,406,740 km (0.102 R)
• M17: 9,515,173 km (0.073 R)
• M18: 11,180,197 km (0.083 R)
• M19: 11,932,824 km (0.105 R)
• M20: 12,534,207 km (0.102 R)
• M21: 13,345,925 km (0.096 R)
• M22: 13,473,831 km (0.119 R)
• M23: 14,325,343 km (0.12 R)
• M24: 16,207,284 km (0.098 R)
• M25: 17,549,625 km (0.087 R)
• M26: 19,207,170 km (0.112 R)
• M27: 19,370,231 km (0.111 R)
• M28: 19,534,340 km (0.112 R)
• M29: 20,199,752 km (0.062 R)
• M30: 21,751,830 km (0.063 R)
• M31: 24,036,787 km (0.086 R)
• M32: 25,678,923 km (0.04 R)
• M33: 25,976,174 km (0.114 R)
• M34: 26,275,819 km (0.107 R)
• M35: 28,437,957 km (0.117 R)
• M36: 30,383,328 km (0.095 R)
• M37: 35,019,814 km (0.088 R)
• M38: 36,124,295 km (0.086 R)
• M39: 41,044,121 km (0.109 R)
• M40: 45,518,294 km (0.119 R)
• M41: 46,980,463 km (0.113 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 389 - 12,230 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit