🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 474.8

Radius: 9.5

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 0.54 AU - 0.82 AU

Year: 362 Days

Day: 6.1 Hours

Environment

Temp: -142 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 82,344,887 km

• M1: 119,080 km (0.101 R)
• M2: 446,250 km (0.119 R)
• M3: 1,061,546 km (0.117 R)
• M4: 1,418,936 km (0.108 R)
• M5: 1,717,084 km (0.06 R)
• M6: 2,306,799 km (0.098 R)
• M7: 2,809,448 km (0.087 R)
• M8: 3,482,938 km (0.092 R)
• M9: 4,376,486 km (0.077 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 828.6

Radius: 14.8

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 0.79 AU - 1.23 AU

Year: 655 Days

Day: 13.6 Hours

Environment

Temp: -157 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,344,887 km

• M1: 184,005 km (0.08 R)
• M2: 692,040 km (0.03 R)
• M3: 1,229,545 km (0.088 R)
• M4: 1,999,675 km (0.034 R)
• M5: 2,592,980 km (0.071 R)
• M6: 3,264,824 km (0.065 R)
• M7: 3,818,486 km (0.11 R)
• M8: 4,403,114 km (0.116 R)
• M9: 5,329,574 km (0.104 R)
• M10: 6,102,097 km (0.105 R)
• M11: 6,713,803 km (0.091 R)
• M12: 7,254,599 km (0.062 R)
• M13: 7,918,514 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662

Radius: 11.4

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.88 AU - 1.24 AU

Year: 705 Days

Day: 6.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,344,887 km

• M1: 142,268 km (0.108 R)
• M2: 550,670 km (0.092 R)
• M3: 1,003,802 km (0.098 R)
• M4: 1,392,457 km (0.105 R)
• M5: 2,137,454 km (0.067 R)
• M6: 2,595,523 km (0.056 R)
• M7: 2,984,627 km (0.112 R)
• M8: 3,386,597 km (0.038 R)
• M9: 3,839,130 km (0.096 R)
• M10: 4,457,568 km (0.027 R)
• M11: 5,990,348 km (0.117 R)
• M12: 6,866,243 km (0.114 R)
• M13: 7,802,277 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 403.8

Radius: 12.3

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.197

Orbit Range: 1.1 AU - 1.64 AU

Year: 1035 Days

Day: 8.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,344,887 km

• M1: 153,188 km (0.03 R)
• M2: 545,883 km (0.1 R)
• M3: 941,270 km (0.091 R)
• M4: 1,398,890 km (0.098 R)
• M5: 2,425,281 km (0.054 R)
• M6: 2,891,278 km (0.047 R)
• M7: 3,768,520 km (0.109 R)
• M8: 5,241,311 km (0.086 R)
• M9: 6,047,494 km (0.092 R)
• M10: 6,956,600 km (0.078 R)
• M11: 7,432,621 km (0.087 R)
• M12: 8,249,724 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 425.7

Radius: 8.8

Gravity: 5.5 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.28 AU - 2 AU

Year: 1356 Days

Day: 13.1 Hours

Environment

Temp: -191 °C

Axial Tilt: 125.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 82,344,887 km

• M1: 109,506 km (0.116 R)
• M2: 466,297 km (0.082 R)
• M3: 763,099 km (0.05 R)
• M4: 1,142,928 km (0.109 R)
• M5: 1,518,867 km (0.065 R)
• M6: 1,916,798 km (0.082 R)
• M7: 2,315,625 km (0.114 R)
• M8: 2,845,950 km (0.116 R)
• M9: 3,950,730 km (0.073 R)
• M10: 4,493,022 km (0.095 R)
• M11: 5,438,930 km (0.106 R)
• M12: 6,376,160 km (0.069 R)
• M13: 6,672,813 km (0.104 R)
• M14: 8,110,149 km (0.039 R)
• M15: 8,567,919 km (0.1 R)
• M16: 10,385,383 km (0.05 R)
• M17: 10,700,885 km (0.045 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.3

Radius: 12.8

Gravity: 4.49 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.44 AU - 3.94 AU

Year: 4577 Days

Day: 6.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,344,887 km

• M1: 171,439 km (0.074 R)
• M2: 775,216 km (0.11 R)
• M3: 2,084,796 km (0.113 R)
• M4: 2,628,435 km (0.09 R)
• M5: 3,486,678 km (0.067 R)
• M6: 4,049,914 km (0.086 R)
• M7: 5,222,761 km (0.025 R)
• M8: 5,903,282 km (0.109 R)
• M9: 7,270,307 km (0.09 R)
• M10: 8,607,263 km (0.084 R)
• M11: 10,446,868 km (0.105 R)
• M12: 12,145,552 km (0.112 R)
• M13: 16,142,209 km (0.108 R)
• M14: 17,961,319 km (0.09 R)
• M15: 25,805,782 km (0.064 R)
• M16: 26,289,731 km (0.088 R)
• M17: 26,944,222 km (0.072 R)
• M18: 27,693,707 km (0.105 R)
• M19: 28,371,386 km (0.1 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 646.3

Radius: 4.9

Gravity: 26.92 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 6.22 AU - 7.84 AU

Year: 12035 Days

Day: 16.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 82,344,887 km

• M1: 70,760 km (0.092 R)
• M2: 299,645 km (0.046 R)
• M3: 486,043 km (0.071 R)
• M4: 715,826 km (0.116 R)
• M5: 921,373 km (0.065 R)
• M6: 1,252,433 km (0.055 R)
• M7: 1,851,423 km (0.091 R)
• M8: 3,310,601 km (0.099 R)
• M9: 4,680,020 km (0.119 R)
• M10: 5,000,010 km (0.097 R)
• M11: 5,403,026 km (0.064 R)
• M12: 6,311,833 km (0.089 R)
• M13: 6,702,284 km (0.056 R)
• M14: 9,291,973 km (0.09 R)
• M15: 11,365,997 km (0.111 R)
• M16: 11,710,222 km (0.101 R)
• M17: 13,220,113 km (0.097 R)
• M18: 15,615,325 km (0.088 R)
• M19: 17,667,209 km (0.09 R)
• M20: 18,206,958 km (0.096 R)
• M21: 19,157,653 km (0.109 R)
• M22: 19,892,029 km (0.108 R)
• M23: 20,140,960 km (0.077 R)
• M24: 25,274,411 km (0.106 R)
• M25: 26,157,337 km (0.056 R)
• M26: 26,356,302 km (0.12 R)
• M27: 29,786,582 km (0.053 R)
• M28: 31,439,638 km (0.09 R)
• M29: 31,777,430 km (0.105 R)
• M30: 32,231,609 km (0.076 R)
• M31: 35,047,939 km (0.063 R)
• M32: 36,764,275 km (0.091 R)
• M33: 41,298,736 km (0.102 R)
• M34: 44,050,140 km (0.047 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 542.5

Radius: 3.5

Gravity: 44.29 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 8.66 AU - 8.78 AU

Year: 16626 Days

Day: 21.1 Hours

Environment

Temp: -232 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 82,344,887 km

• M1: 43,533 km (0.074 R)
• M2: 1,483,263 km (0.093 R)
• M3: 1,950,756 km (0.045 R)
• M4: 2,619,758 km (0.091 R)
• M5: 3,018,436 km (0.086 R)
• M6: 4,114,241 km (0.073 R)
• M7: 4,817,949 km (0.075 R)
• M8: 5,377,744 km (0.105 R)
• M9: 6,793,688 km (0.063 R)
• M10: 9,728,649 km (0.085 R)
• M11: 9,946,314 km (0.098 R)
• M12: 10,334,969 km (0.09 R)
• M13: 12,115,932 km (0.109 R)
• M14: 14,160,785 km (0.092 R)
• M15: 31,768,454 km (0.054 R)
• M16: 35,349,678 km (0.092 R)
• M17: 37,038,937 km (0.108 R)
• M18: 45,991,322 km (0.108 R)
• M19: 48,949,770 km (0.084 R)
• M20: 50,882,125 km (0.041 R)
• M21: 54,044,924 km (0.116 R)
• M22: 54,214,867 km (0.119 R)
• M23: 58,581,479 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 62.2

Radius: 5.2

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.08 AU - 10.84 AU

Year: 18787 Days

Day: 18.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 11.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 82,344,887 km

• M1: 64,776 km (0.077 R)
• M2: 258,804 km (0.099 R)
• M3: 558,000 km (0.087 R)
• M4: 930,948 km (0.074 R)
• M5: 1,284,447 km (0.085 R)
• M6: 1,492,538 km (0.09 R)
• M7: 1,709,455 km (0.075 R)
• M8: 2,969,069 km (0.105 R)
• M9: 5,077,801 km (0.086 R)
• M10: 6,551,788 km (0.1 R)
• M11: 7,980,747 km (0.079 R)
• M12: 13,169,998 km (0.093 R)
• M13: 15,481,136 km (0.106 R)
• M14: 19,192,360 km (0.105 R)
• M15: 21,033,161 km (0.036 R)
• M16: 21,326,373 km (0.071 R)
• M17: 22,450,452 km (0.099 R)
• M18: 24,169,630 km (0.102 R)
• M19: 31,065,943 km (0.053 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.49 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 974.7

Radius: 3.4

Gravity: 84.32 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 8.09 AU - 10.89 AU

Year: 18876 Days

Day: 16.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,344,887 km

• M1: 42,336 km (0.082 R)
• M2: 188,045 km (0.049 R)
• M3: 303,684 km (0.113 R)
• M4: 837,598 km (0.097 R)
• M5: 2,008,351 km (0.111 R)
• M6: 2,264,463 km (0.114 R)
• M7: 2,664,039 km (0.092 R)
• M8: 2,815,731 km (0.1 R)
• M9: 5,192,093 km (0.066 R)
• M10: 6,315,873 km (0.097 R)
• M11: 8,696,723 km (0.049 R)
• M12: 10,516,431 km (0.076 R)
• M13: 11,218,644 km (0.108 R)
• M14: 15,770,608 km (0.079 R)
• M15: 17,819,650 km (0.056 R)
• M16: 20,426,392 km (0.053 R)
• M17: 21,016,257 km (0.087 R)
• M18: 29,375,038 km (0.073 R)
• M19: 31,405,979 km (0.061 R)
• M20: 39,249,545 km (0.053 R)
• M21: 39,855,117 km (0.108 R)
• M22: 46,256,410 km (0.074 R)
• M23: 47,101,787 km (0.084 R)
• M24: 47,272,179 km (0.088 R)
• M25: 47,785,449 km (0.029 R)
• M26: 52,757,484 km (0.046 R)
• M27: 53,494,703 km (0.049 R)
• M28: 54,989,784 km (0.099 R)
• M29: 57,090,736 km (0.056 R)
• M30: 59,244,497 km (0.098 R)
• M31: 59,641,829 km (0.108 R)
• M32: 61,248,809 km (0.112 R)
• M33: 68,401,532 km (0.069 R)
• M34: 72,177,831 km (0.103 R)
• M35: 78,696,558 km (0.067 R)
• M36: 81,606,386 km (0.028 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 244 - 16,973 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit