🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.5

Radius: 8.3

Gravity: 13.78 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.83 AU - 1.07 AU

Year: 607 Days

Day: 6.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,257,416 km

• M1: 103,223 km (0.074 R)
• M2: 380,577 km (0.096 R)
• M3: 644,916 km (0.102 R)
• M4: 1,317,359 km (0.059 R)
• M5: 1,605,634 km (0.119 R)
• M6: 2,458,491 km (0.039 R)
• M7: 3,059,276 km (0.102 R)
• M8: 3,516,298 km (0.105 R)
• M9: 3,797,392 km (0.087 R)
• M10: 4,078,487 km (0.081 R)
• M11: 4,405,208 km (0.08 R)
• M12: 4,817,051 km (0.107 R)
• M13: 5,111,610 km (0.105 R)
• M14: 5,436,536 km (0.114 R)
• M15: 5,698,781 km (0.11 R)
• M16: 7,569,353 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 96.9

Radius: 14.2

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.96 AU - 1.2 AU

Year: 736 Days

Day: 12.2 Hours

Environment

Temp: -167 °C

Axial Tilt: 47 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 84,257,416 km

• M1: 177,124 km (0.114 R)
• M2: 1,709,305 km (0.064 R)
• M3: 2,229,158 km (0.102 R)
• M4: 4,007,877 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 555.7

Radius: 10

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.13 AU - 1.85 AU

Year: 1193 Days

Day: 12.8 Hours

Environment

Temp: -178 °C

Axial Tilt: 48.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 84,257,416 km

• M1: 124,316 km (0.115 R)
• M2: 468,840 km (0.045 R)
• M3: 841,189 km (0.106 R)
• M4: 1,272,180 km (0.079 R)
• M5: 1,682,976 km (0.092 R)
• M6: 2,203,277 km (0.115 R)
• M7: 2,664,488 km (0.094 R)
• M8: 3,203,489 km (0.116 R)
• M9: 3,612,190 km (0.111 R)
• M10: 4,239,604 km (0.117 R)
• M11: 4,678,973 km (0.093 R)
• M12: 5,546,491 km (0.087 R)
• M13: 6,226,114 km (0.06 R)
• M14: 6,912,918 km (0.114 R)
• M15: 7,225,727 km (0.096 R)
• M16: 8,062,876 km (0.113 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 241.4

Radius: 12.2

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.79 AU - 2.03 AU

Year: 1732 Days

Day: 13.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 114.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 84,257,416 km

• M1: 151,692 km (0.108 R)
• M2: 860,936 km (0.116 R)
• M3: 1,424,321 km (0.069 R)
• M4: 1,933,552 km (0.092 R)
• M5: 4,102,273 km (0.091 R)
• M6: 5,090,217 km (0.093 R)
• M7: 7,658,813 km (0.079 R)
• M8: 8,409,943 km (0.098 R)
• M9: 9,323,687 km (0.064 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 646.3

Radius: 11.3

Gravity: 5.06 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 4.62 AU - 5.14 AU

Year: 7072 Days

Day: 11 Hours

Environment

Temp: -210 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 84,257,416 km

• M1: 140,472 km (0.097 R)
• M2: 616,942 km (0.101 R)
• M3: 1,280,558 km (0.098 R)
• M4: 1,803,702 km (0.081 R)
• M5: 2,164,382 km (0.113 R)
• M6: 3,014,547 km (0.089 R)
• M7: 3,573,594 km (0.08 R)
• M8: 3,951,179 km (0.098 R)
• M9: 4,622,275 km (0.097 R)
• M10: 4,985,499 km (0.063 R)
• M11: 5,612,912 km (0.087 R)
• M12: 7,507,270 km (0.116 R)
• M13: 9,795,070 km (0.119 R)
• M14: 11,933,422 km (0.106 R)
• M15: 13,167,305 km (0.04 R)
• M16: 13,729,494 km (0.094 R)
• M17: 14,484,215 km (0.051 R)
• M18: 16,849,657 km (0.103 R)
• M19: 17,445,655 km (0.084 R)
• M20: 25,822,388 km (0.088 R)
• M21: 32,419,055 km (0.065 R)
• M22: 35,560,910 km (0.101 R)
• M23: 36,431,869 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 934.9

Radius: 6.3

Gravity: 23.56 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.76 AU - 7.56 AU

Year: 11275 Days

Day: 21.6 Hours

Environment

Temp: -232 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,257,416 km

• M1: 78,389 km (0.073 R)
• M2: 460,612 km (0.074 R)
• M3: 760,107 km (0.03 R)
• M4: 1,510,340 km (0.033 R)
• M5: 1,998,777 km (0.102 R)
• M6: 2,440,240 km (0.092 R)
• M7: 2,695,454 km (0.047 R)
• M8: 3,234,605 km (0.037 R)
• M9: 5,354,856 km (0.073 R)
• M10: 7,139,558 km (0.116 R)
• M11: 7,486,177 km (0.09 R)
• M12: 7,798,537 km (0.071 R)
• M13: 8,886,263 km (0.118 R)
• M14: 9,135,643 km (0.113 R)
• M15: 11,593,835 km (0.066 R)
• M16: 12,440,559 km (0.118 R)
• M17: 12,689,789 km (0.044 R)
• M18: 13,263,048 km (0.09 R)
• M19: 13,919,932 km (0.108 R)
• M20: 14,875,713 km (0.099 R)
• M21: 15,512,850 km (0.096 R)
• M22: 16,539,840 km (0.09 R)
• M23: 17,070,015 km (0.119 R)
• M24: 17,455,678 km (0.094 R)
• M25: 27,902,546 km (0.07 R)
• M26: 28,761,986 km (0.07 R)
• M27: 29,749,781 km (0.104 R)
• M28: 31,908,927 km (0.081 R)
• M29: 32,848,401 km (0.084 R)
• M30: 42,290,121 km (0.044 R)
• M31: 46,195,374 km (0.111 R)
• M32: 46,493,821 km (0.074 R)
• M33: 56,568,640 km (0.03 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.6

Radius: 5.3

Gravity: 7.14 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.04 AU - 7.48 AU

Year: 11530 Days

Day: 15.6 Hours

Environment

Temp: -214 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 84,257,416 km

• M1: 65,973 km (0.117 R)
• M2: 243,695 km (0.075 R)
• M3: 900,430 km (0.098 R)
• M4: 1,355,955 km (0.109 R)
• M5: 1,668,764 km (0.04 R)
• M6: 1,878,800 km (0.075 R)
• M7: 2,106,488 km (0.071 R)
• M8: 2,491,253 km (0.085 R)
• M9: 4,699,916 km (0.054 R)
• M10: 4,893,346 km (0.11 R)
• M11: 5,237,421 km (0.035 R)
• M12: 5,445,362 km (0.085 R)
• M13: 5,658,988 km (0.102 R)
• M14: 6,102,845 km (0.075 R)
• M15: 6,638,106 km (0.08 R)
• M16: 7,059,823 km (0.078 R)
• M17: 7,277,188 km (0.101 R)
• M18: 7,763,531 km (0.095 R)
• M19: 8,073,498 km (0.084 R)
• M20: 8,884,468 km (0.112 R)
• M21: 10,018,270 km (0.114 R)
• M22: 10,478,882 km (0.103 R)
• M23: 11,196,353 km (0.108 R)
• M24: 12,411,387 km (0.07 R)
• M25: 13,323,486 km (0.074 R)
• M26: 16,453,372 km (0.107 R)
• M27: 21,519,803 km (0.113 R)
• M28: 23,872,379 km (0.052 R)
• M29: 26,131,606 km (0.118 R)
• M30: 26,739,871 km (0.03 R)
• M31: 28,529,361 km (0.072 R)
• M32: 31,654,311 km (0.07 R)
• M33: 34,065,081 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 553.3

Radius: 7.4

Gravity: 10.1 G

Time & Orbit

Eccentricity (e): 0.09

Orbit Range: 6.59 AU - 7.89 AU

Year: 12780 Days

Day: 24.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 84,257,416 km

• M1: 107,860 km (0.116 R)
• M2: 345,272 km (0.086 R)
• M3: 705,803 km (0.089 R)
• M4: 993,180 km (0.085 R)
• M5: 1,960,779 km (0.108 R)
• M6: 3,400,509 km (0.107 R)
• M7: 4,264,437 km (0.118 R)
• M8: 5,166,811 km (0.085 R)
• M9: 6,971,710 km (0.064 R)
• M10: 8,680,865 km (0.088 R)
• M11: 9,557,060 km (0.066 R)
• M12: 10,979,736 km (0.049 R)
• M13: 11,257,988 km (0.119 R)
• M14: 13,213,830 km (0.099 R)
• M15: 14,043,051 km (0.104 R)
• M16: 16,088,353 km (0.087 R)
• M17: 20,007,518 km (0.09 R)
• M18: 22,142,579 km (0.105 R)
• M19: 24,614,235 km (0.118 R)
• M20: 27,162,635 km (0.109 R)
• M21: 28,605,207 km (0.107 R)
• M22: 30,753,433 km (0.095 R)
• M23: 33,122,614 km (0.094 R)
• M24: 39,637,601 km (0.104 R)
• M25: 40,029,997 km (0.086 R)
• M26: 44,943,090 km (0.078 R)
• M27: 48,432,759 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 667.6

Radius: 5.3

Gravity: 23.77 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 10.87 AU - 10.93 AU

Year: 23607 Days

Day: 19.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 84,257,416 km

• M1: 65,973 km (0.097 R)
• M2: 465,100 km (0.119 R)
• M3: 749,635 km (0.107 R)
• M4: 974,630 km (0.095 R)
• M5: 1,144,723 km (0.071 R)
• M6: 1,495,081 km (0.115 R)
• M7: 1,874,761 km (0.071 R)
• M8: 3,091,440 km (0.107 R)
• M9: 3,404,249 km (0.114 R)
• M10: 3,928,889 km (0.092 R)
• M11: 4,159,868 km (0.086 R)
• M12: 5,137,340 km (0.066 R)
• M13: 6,438,094 km (0.09 R)
• M14: 8,314,350 km (0.088 R)
• M15: 8,975,423 km (0.113 R)
• M16: 9,611,514 km (0.096 R)
• M17: 13,694,787 km (0.067 R)
• M18: 14,381,143 km (0.111 R)
• M19: 15,090,236 km (0.104 R)
• M20: 15,739,790 km (0.057 R)
• M21: 18,525,452 km (0.1 R)
• M22: 19,937,507 km (0.06 R)
• M23: 20,719,305 km (0.119 R)
• M24: 21,724,902 km (0.104 R)
• M25: 24,824,869 km (0.11 R)
• M26: 26,305,589 km (0.087 R)
• M27: 32,016,936 km (0.073 R)
• M28: 32,415,764 km (0.098 R)
• M29: 49,433,868 km (0.118 R)
• M30: 50,682,861 km (0.099 R)
• M31: 59,019,053 km (0.079 R)
• M32: 60,424,226 km (0.066 R)
• M33: 61,646,291 km (0.11 R)
• M34: 64,350,571 km (0.089 R)
• M35: 65,411,220 km (0.099 R)
• M36: 72,021,950 km (0.119 R)
• M37: 75,019,742 km (0.088 R)
• M38: 77,381,443 km (0.027 R)
• M39: 79,063,971 km (0.116 R)
• M40: 83,000,788 km (0.114 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: 201 - 14,408 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit