🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 941.4

Radius: 13.3

Gravity: 5.32 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.82 AU - 1.14 AU

Year: 670 Days

Day: 5.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,670,241 km

• M1: 169,794 km (0.044 R)
• M2: 841,488 km (0.118 R)
• M3: 1,576,612 km (0.083 R)
• M4: 2,141,942 km (0.102 R)
• M5: 2,610,782 km (0.087 R)
• M6: 3,072,591 km (0.047 R)
• M7: 4,449,041 km (0.078 R)
• M8: 5,167,410 km (0.109 R)
• M9: 5,804,397 km (0.1 R)
• M10: 6,244,066 km (0.115 R)
• M11: 6,923,689 km (0.092 R)
• M12: 7,350,192 km (0.087 R)
• M13: 7,818,134 km (0.025 R)
• M14: 8,305,823 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.6

Radius: 9.1

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 0.93 AU - 1.47 AU

Year: 907 Days

Day: 14.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 58,670,241 km

• M1: 113,096 km (0.114 R)
• M2: 539,450 km (0.034 R)
• M3: 1,044,492 km (0.065 R)
• M4: 1,382,883 km (0.072 R)
• M5: 1,886,429 km (0.06 R)
• M6: 2,181,885 km (0.113 R)
• M7: 2,493,198 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 184.2

Radius: 9.8

Gravity: 1.92 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 1.12 AU - 1.34 AU

Year: 942 Days

Day: 13.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 49.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,670,241 km

• M1: 121,922 km (0.114 R)
• M2: 500,255 km (0.111 R)
• M3: 1,083,837 km (0.098 R)
• M4: 1,722,619 km (0.091 R)
• M5: 2,761,277 km (0.115 R)
• M6: 3,572,696 km (0.071 R)
• M7: 4,301,238 km (0.12 R)
• M8: 5,289,482 km (0.103 R)
• M9: 5,749,196 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674

Radius: 9.5

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.01 AU - 2.05 AU

Year: 1996 Days

Day: 6.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,670,241 km

• M1: 120,875 km (0.091 R)
• M2: 461,809 km (0.06 R)
• M3: 841,488 km (0.112 R)
• M4: 1,137,393 km (0.074 R)
• M5: 1,458,130 km (0.115 R)
• M6: 2,008,501 km (0.09 R)
• M7: 3,175,664 km (0.105 R)
• M8: 3,716,011 km (0.087 R)
• M9: 4,218,660 km (0.115 R)
• M10: 4,619,732 km (0.114 R)
• M11: 5,291,875 km (0.081 R)
• M12: 5,929,012 km (0.05 R)
• M13: 6,485,217 km (0.094 R)
• M14: 7,470,170 km (0.112 R)
• M15: 8,364,615 km (0.104 R)
• M16: 8,710,037 km (0.049 R)
• M17: 9,700,375 km (0.091 R)
• M18: 10,187,615 km (0.058 R)
• M19: 10,911,669 km (0.109 R)
• M20: 12,341,376 km (0.117 R)
• M21: 13,206,350 km (0.043 R)
• M22: 13,632,106 km (0.113 R)
• M23: 14,556,322 km (0.109 R)
• M24: 14,873,320 km (0.096 R)
• M25: 15,805,015 km (0.086 R)
• M26: 16,285,224 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 795.9

Radius: 8.1

Gravity: 12.13 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 3.72 AU - 5.38 AU

Year: 6699 Days

Day: 5.9 Hours

Environment

Temp: -221 °C

Axial Tilt: 65.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 58,670,241 km

• M1: 103,223 km (0.098 R)
• M2: 504,893 km (0.076 R)
• M3: 833,111 km (0.099 R)
• M4: 1,118,992 km (0.103 R)
• M5: 1,586,635 km (0.119 R)
• M6: 1,956,591 km (0.066 R)
• M7: 2,695,006 km (0.083 R)
• M8: 3,994,712 km (0.101 R)
• M9: 4,939,722 km (0.073 R)
• M10: 5,669,011 km (0.09 R)
• M11: 7,004,322 km (0.067 R)
• M12: 8,206,490 km (0.088 R)
• M13: 9,405,517 km (0.065 R)
• M14: 9,860,744 km (0.069 R)
• M15: 10,140,940 km (0.055 R)
• M16: 11,214,006 km (0.104 R)
• M17: 12,093,791 km (0.104 R)
• M18: 16,859,680 km (0.109 R)
• M19: 17,668,257 km (0.119 R)
• M20: 19,290,047 km (0.091 R)
• M21: 21,008,627 km (0.053 R)
• M22: 22,583,893 km (0.075 R)
• M23: 24,576,387 km (0.074 R)
• M24: 26,683,323 km (0.106 R)
• M25: 26,954,844 km (0.058 R)
• M26: 27,780,624 km (0.066 R)
• M27: 30,064,983 km (0.07 R)
• M28: 32,471,714 km (0.038 R)
• M29: 34,039,499 km (0.097 R)
• M30: 34,788,087 km (0.075 R)
• M31: 36,540,327 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.6

Radius: 12.8

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 5.08 AU - 5.68 AU

Year: 8614 Days

Day: 11.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,670,241 km

• M1: 159,920 km (0.079 R)
• M2: 617,241 km (0.089 R)
• M3: 1,015,470 km (0.081 R)
• M4: 1,532,630 km (0.071 R)
• M5: 2,265,959 km (0.078 R)
• M6: 4,215,070 km (0.107 R)
• M7: 4,888,559 km (0.097 R)
• M8: 5,977,931 km (0.096 R)
• M9: 6,451,109 km (0.065 R)
• M10: 7,409,882 km (0.102 R)
• M11: 9,609,868 km (0.11 R)
• M12: 10,458,088 km (0.112 R)
• M13: 12,347,958 km (0.101 R)
• M14: 12,979,710 km (0.089 R)
• M15: 13,444,211 km (0.053 R)
• M16: 14,754,090 km (0.12 R)
• M17: 17,401,673 km (0.065 R)
• M18: 20,601,272 km (0.078 R)
• M19: 21,234,071 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.3

Radius: 14.5

Gravity: 1.18 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.96 AU - 5.96 AU

Year: 8806 Days

Day: 8.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 17.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,670,241 km

• M1: 183,557 km (0.114 R)
• M2: 650,751 km (0.103 R)
• M3: 1,723,517 km (0.112 R)
• M4: 2,576,973 km (0.097 R)
• M5: 3,258,990 km (0.111 R)
• M6: 4,646,510 km (0.117 R)
• M7: 5,961,924 km (0.119 R)
• M8: 7,802,277 km (0.069 R)
• M9: 8,873,248 km (0.063 R)
• M10: 9,612,112 km (0.105 R)
• M11: 11,213,108 km (0.098 R)
• M12: 16,284,925 km (0.086 R)
• M13: 20,809,513 km (0.045 R)
• M14: 26,193,690 km (0.072 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.7

Radius: 6.8

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 5.73 AU - 9.15 AU

Year: 14008 Days

Day: 22.5 Hours

Environment

Temp: -240 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,670,241 km

• M1: 84,972 km (0.085 R)
• M2: 348,862 km (0.07 R)
• M3: 1,645,876 km (0.113 R)
• M4: 3,280,981 km (0.096 R)
• M5: 3,710,326 km (0.091 R)
• M6: 4,225,392 km (0.108 R)
• M7: 4,894,394 km (0.107 R)
• M8: 5,934,099 km (0.085 R)
• M9: 7,148,833 km (0.09 R)
• M10: 7,612,437 km (0.081 R)
• M11: 8,639,427 km (0.101 R)
• M12: 10,460,930 km (0.09 R)
• M13: 12,524,334 km (0.115 R)
• M14: 14,560,959 km (0.118 R)
• M15: 15,305,657 km (0.116 R)
• M16: 18,939,988 km (0.069 R)
• M17: 21,609,712 km (0.093 R)
• M18: 24,044,417 km (0.074 R)
• M19: 26,740,470 km (0.097 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 76

Radius: 3.1

Gravity: 7.91 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 9.33 AU - 9.67 AU

Year: 20211 Days

Day: 22.2 Hours

Environment

Temp: -230 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,670,241 km

• M1: 38,596 km (0.035 R)
• M2: 216,019 km (0.104 R)
• M3: 424,858 km (0.113 R)
• M4: 655,687 km (0.102 R)
• M5: 926,310 km (0.096 R)
• M6: 1,031,627 km (0.099 R)
• M7: 1,384,528 km (0.045 R)
• M8: 1,588,580 km (0.109 R)
• M9: 2,536,581 km (0.034 R)
• M10: 3,214,559 km (0.077 R)
• M11: 5,330,471 km (0.092 R)
• M12: 6,091,326 km (0.09 R)
• M13: 9,590,271 km (0.08 R)
• M14: 10,564,751 km (0.098 R)
• M15: 11,002,026 km (0.054 R)
• M16: 12,817,097 km (0.063 R)
• M17: 13,939,081 km (0.108 R)
• M18: 15,003,320 km (0.065 R)
• M19: 15,124,943 km (0.111 R)
• M20: 17,159,325 km (0.081 R)
• M21: 17,627,416 km (0.06 R)
• M22: 20,244,033 km (0.045 R)
• M23: 35,403,084 km (0.093 R)
• M24: 35,834,824 km (0.03 R)
• M25: 36,819,028 km (0.114 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 294.3

Radius: 4.3

Gravity: 15.92 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 8.51 AU - 10.77 AU

Year: 20660 Days

Day: 24.5 Hours

Environment

Temp: -238 °C

Axial Tilt: 43.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 58,670,241 km

• M1: 55,202 km (0.094 R)
• M2: 197,768 km (0.081 R)
• M3: 362,326 km (0.113 R)
• M4: 748,289 km (0.12 R)
• M5: 1,060,200 km (0.093 R)
• M6: 1,259,315 km (0.12 R)
• M7: 1,938,489 km (0.053 R)
• M8: 2,377,709 km (0.086 R)
• M9: 3,046,710 km (0.063 R)
• M10: 3,194,363 km (0.098 R)
• M11: 3,861,570 km (0.107 R)
• M12: 5,184,165 km (0.099 R)
• M13: 6,375,263 km (0.098 R)
• M14: 7,424,692 km (0.108 R)
• M15: 8,829,715 km (0.063 R)
• M16: 10,128,524 km (0.091 R)
• M17: 10,966,122 km (0.1 R)
• M18: 12,400,766 km (0.084 R)
• M19: 17,762,354 km (0.041 R)
• M20: 21,932,095 km (0.114 R)
• M21: 22,206,757 km (0.082 R)
• M22: 25,180,164 km (0.092 R)
• M23: 25,683,411 km (0.032 R)
• M24: 26,502,460 km (0.117 R)
• M25: 27,977,345 km (0.056 R)
• M26: 28,192,317 km (0.105 R)
• M27: 28,517,094 km (0.05 R)
• M28: 34,671,999 km (0.105 R)
• M29: 35,545,651 km (0.074 R)
• M30: 42,500,905 km (0.102 R)
• M31: 43,070,573 km (0.112 R)
• M32: 48,429,468 km (0.085 R)
• M33: 50,468,936 km (0.116 R)
• M34: 51,429,205 km (0.071 R)
• M35: 52,076,066 km (0.084 R)
• M36: 52,401,591 km (0.118 R)
• M37: 53,386,095 km (0.045 R)
• M38: 55,901,433 km (0.072 R)
• M39: 57,447,826 km (0.058 R)
• M40: 58,319,234 km (0.115 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: 539 - 11,095 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit