🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 421.7

Radius: 12.4

Gravity: 2.74 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 0.54 AU - 0.84 AU

Year: 370 Days

Day: 13.3 Hours

Environment

Temp: -132 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 63,597,546 km

• M1: 154,235 km (0.085 R)
• M2: 641,027 km (0.086 R)
• M3: 1,094,308 km (0.106 R)
• M4: 1,487,452 km (0.075 R)
• M5: 2,127,880 km (0.054 R)
• M6: 2,539,573 km (0.1 R)
• M7: 3,186,135 km (0.089 R)
• M8: 3,683,848 km (0.053 R)
• M9: 4,097,037 km (0.098 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 654.1

Radius: 11.8

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 2.36 AU - 3.66 AU

Year: 3372 Days

Day: 5.5 Hours

Environment

Temp: -194 °C

Axial Tilt: 129.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 63,597,546 km

• M1: 147,504 km (0.087 R)
• M2: 672,742 km (0.099 R)
• M3: 1,233,434 km (0.077 R)
• M4: 2,566,351 km (0.03 R)
• M5: 2,986,721 km (0.1 R)
• M6: 3,947,289 km (0.113 R)
• M7: 7,165,140 km (0.116 R)
• M8: 7,545,567 km (0.09 R)
• M9: 8,451,382 km (0.074 R)
• M10: 9,428,107 km (0.106 R)
• M11: 10,318,214 km (0.084 R)
• M12: 10,969,862 km (0.089 R)
• M13: 12,131,639 km (0.109 R)
• M14: 12,582,079 km (0.04 R)
• M15: 13,231,632 km (0.093 R)
• M16: 13,709,149 km (0.097 R)
• M17: 16,764,536 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.7

Radius: 8.4

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.69 AU - 3.81 AU

Year: 4689 Days

Day: 8 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 63,597,546 km

• M1: 104,569 km (0.076 R)
• M2: 565,031 km (0.117 R)
• M3: 1,030,281 km (0.112 R)
• M4: 1,425,069 km (0.105 R)
• M5: 1,802,355 km (0.065 R)
• M6: 2,312,633 km (0.057 R)
• M7: 3,144,547 km (0.052 R)
• M8: 4,022,388 km (0.117 R)
• M9: 4,871,505 km (0.107 R)
• M10: 5,758,620 km (0.096 R)
• M11: 6,471,305 km (0.107 R)
• M12: 8,394,086 km (0.089 R)
• M13: 11,098,367 km (0.115 R)
• M14: 12,454,023 km (0.111 R)
• M15: 12,755,163 km (0.097 R)
• M16: 13,193,934 km (0.12 R)
• M17: 14,523,260 km (0.097 R)
• M18: 15,789,158 km (0.112 R)
• M19: 17,339,291 km (0.079 R)
• M20: 17,823,539 km (0.08 R)
• M21: 18,538,767 km (0.11 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.1

Radius: 7.1

Gravity: 14.36 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 5.64 AU - 8.96 AU

Year: 12735 Days

Day: 20.4 Hours

Environment

Temp: -234 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 63,597,546 km

• M1: 88,562 km (0.103 R)
• M2: 428,000 km (0.048 R)
• M3: 841,189 km (0.102 R)
• M4: 1,400,386 km (0.074 R)
• M5: 1,861,596 km (0.038 R)
• M6: 2,203,427 km (0.096 R)
• M7: 2,919,702 km (0.11 R)
• M8: 3,408,288 km (0.095 R)
• M9: 4,362,424 km (0.112 R)
• M10: 4,610,756 km (0.12 R)
• M11: 4,835,751 km (0.099 R)
• M12: 5,922,131 km (0.11 R)
• M13: 6,868,487 km (0.101 R)
• M14: 7,334,484 km (0.09 R)
• M15: 7,776,247 km (0.119 R)
• M16: 8,958,220 km (0.081 R)
• M17: 9,618,245 km (0.086 R)
• M18: 13,938,782 km (0.11 R)
• M19: 16,781,590 km (0.113 R)
• M20: 18,098,799 km (0.12 R)
• M21: 18,660,838 km (0.081 R)
• M22: 23,488,062 km (0.085 R)
• M23: 26,136,543 km (0.034 R)
• M24: 27,375,214 km (0.08 R)
• M25: 28,652,331 km (0.037 R)
• M26: 34,159,627 km (0.107 R)
• M27: 37,807,122 km (0.037 R)
• M28: 39,657,498 km (0.108 R)
• M29: 43,395,051 km (0.085 R)
• M30: 47,968,108 km (0.098 R)

Asteroid Belt

Center: 7.62 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 543.2

Radius: 4.6

Gravity: 25.67 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.51 AU - 8.37 AU

Year: 14446 Days

Day: 16.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 63,597,546 km

• M1: 57,146 km (0.062 R)
• M2: 293,511 km (0.069 R)
• M3: 552,315 km (0.083 R)
• M4: 811,120 km (0.103 R)
• M5: 1,007,392 km (0.051 R)
• M6: 1,396,197 km (0.114 R)
• M7: 1,601,744 km (0.085 R)
• M8: 2,055,924 km (0.096 R)
• M9: 2,879,909 km (0.097 R)
• M10: 3,044,017 km (0.069 R)
• M11: 4,283,585 km (0.093 R)
• M12: 7,793,600 km (0.099 R)
• M13: 9,075,205 km (0.096 R)
• M14: 12,291,260 km (0.108 R)
• M15: 15,255,542 km (0.042 R)
• M16: 15,755,648 km (0.057 R)
• M17: 15,900,608 km (0.032 R)
• M18: 17,398,980 km (0.116 R)
• M19: 18,582,898 km (0.092 R)
• M20: 20,847,211 km (0.09 R)
• M21: 25,814,160 km (0.106 R)
• M22: 27,560,416 km (0.11 R)
• M23: 31,400,593 km (0.089 R)
• M24: 31,745,416 km (0.089 R)
• M25: 31,976,694 km (0.057 R)
• M26: 33,268,921 km (0.085 R)
• M27: 34,473,633 km (0.052 R)
• M28: 34,717,926 km (0.109 R)
• M29: 36,587,750 km (0.109 R)
• M30: 37,741,299 km (0.096 R)
• M31: 40,662,646 km (0.084 R)
• M32: 40,935,513 km (0.103 R)
• M33: 49,388,839 km (0.043 R)
• M34: 51,910,162 km (0.12 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 713.6

Radius: 5.6

Gravity: 22.76 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 6.84 AU - 9.76 AU

Year: 15439 Days

Day: 19 Hours

Environment

Temp: -217 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 63,597,546 km

• M1: 69,713 km (0.103 R)
• M2: 355,594 km (0.108 R)
• M3: 1,209,200 km (0.104 R)
• M4: 1,539,212 km (0.115 R)
• M5: 3,407,540 km (0.09 R)
• M6: 4,188,292 km (0.08 R)
• M7: 4,942,414 km (0.053 R)
• M8: 5,860,796 km (0.11 R)
• M9: 7,512,655 km (0.098 R)
• M10: 7,933,923 km (0.104 R)
• M11: 8,420,266 km (0.11 R)
• M12: 8,721,406 km (0.053 R)
• M13: 9,832,470 km (0.06 R)
• M14: 10,054,473 km (0.09 R)
• M15: 11,702,293 km (0.073 R)
• M16: 11,888,992 km (0.086 R)
• M17: 13,796,813 km (0.049 R)
• M18: 16,128,745 km (0.07 R)
• M19: 16,750,324 km (0.08 R)
• M20: 18,626,281 km (0.088 R)
• M21: 24,372,036 km (0.072 R)
• M22: 25,190,037 km (0.06 R)
• M23: 28,420,603 km (0.069 R)
• M24: 30,134,995 km (0.052 R)
• M25: 30,721,419 km (0.039 R)
• M26: 35,170,459 km (0.112 R)
• M27: 35,689,714 km (0.077 R)
• M28: 44,105,940 km (0.1 R)
• M29: 46,554,558 km (0.109 R)
• M30: 49,904,204 km (0.102 R)
• M31: 54,962,706 km (0.119 R)
• M32: 55,837,704 km (0.063 R)
• M33: 57,795,342 km (0.078 R)
• M34: 59,798,158 km (0.104 R)
• M35: 60,352,419 km (0.062 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 149

Radius: 7.2

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7.24 AU - 10.16 AU

Year: 16569 Days

Day: 16.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 63,597,546 km

• M1: 89,609 km (0.12 R)
• M2: 357,090 km (0.048 R)
• M3: 605,572 km (0.113 R)
• M4: 3,052,096 km (0.11 R)
• M5: 5,622,786 km (0.061 R)
• M6: 5,984,214 km (0.09 R)
• M7: 6,937,452 km (0.1 R)
• M8: 7,469,870 km (0.06 R)
• M9: 9,141,477 km (0.091 R)
• M10: 17,012,419 km (0.102 R)
• M11: 18,909,320 km (0.062 R)
• M12: 21,652,048 km (0.087 R)
• M13: 23,117,957 km (0.068 R)
• M14: 23,705,578 km (0.039 R)
• M15: 32,276,040 km (0.078 R)
• M16: 38,344,777 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 436.5

Radius: 7.2

Gravity: 8.42 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 8.36 AU - 10.8 AU

Year: 19145 Days

Day: 22.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 37.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 63,597,546 km

• M1: 95,743 km (0.12 R)
• M2: 385,364 km (0.089 R)
• M3: 636,689 km (0.06 R)
• M4: 872,305 km (0.038 R)
• M5: 1,167,611 km (0.118 R)
• M6: 1,999,824 km (0.087 R)
• M7: 2,930,772 km (0.104 R)
• M8: 3,358,921 km (0.045 R)
• M9: 3,713,767 km (0.104 R)
• M10: 4,595,946 km (0.064 R)
• M11: 5,174,142 km (0.086 R)
• M12: 5,536,318 km (0.051 R)
• M13: 7,334,784 km (0.104 R)
• M14: 7,980,448 km (0.088 R)
• M15: 8,613,397 km (0.062 R)
• M16: 9,122,777 km (0.093 R)
• M17: 9,760,064 km (0.079 R)
• M18: 10,145,428 km (0.036 R)
• M19: 11,302,418 km (0.114 R)
• M20: 12,803,932 km (0.087 R)
• M21: 13,875,950 km (0.093 R)
• M22: 14,433,801 km (0.112 R)
• M23: 16,815,997 km (0.115 R)
• M24: 19,448,172 km (0.051 R)
• M25: 21,134,439 km (0.101 R)
• M26: 22,248,345 km (0.068 R)
• M27: 25,101,027 km (0.099 R)
• M28: 27,204,822 km (0.11 R)
• M29: 34,342,734 km (0.048 R)
• M30: 34,977,927 km (0.118 R)
• M31: 38,000,552 km (0.091 R)
• M32: 41,050,404 km (0.094 R)
• M33: 42,489,236 km (0.091 R)
• M34: 44,710,016 km (0.093 R)
• M35: 49,060,323 km (0.101 R)
• M36: 51,834,615 km (0.087 R)
• M37: 55,057,252 km (0.094 R)
• M38: 59,315,556 km (0.062 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 371 - 18,214 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit