🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770

Radius: 10.6

Gravity: 6.85 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.69 AU - 0.87 AU

Year: 467 Days

Day: 7 Hours

Environment

Temp: -170 °C

Axial Tilt: 26.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 85,999,035 km

• M1: 132,095 km (0.119 R)
• M2: 501,751 km (0.048 R)
• M3: 909,405 km (0.1 R)
• M4: 1,459,178 km (0.119 R)
• M5: 1,855,163 km (0.12 R)
• M6: 2,267,156 km (0.064 R)
• M7: 2,761,277 km (0.027 R)
• M8: 3,091,440 km (0.103 R)
• M9: 3,779,441 km (0.102 R)
• M10: 4,795,210 km (0.106 R)
• M11: 5,275,719 km (0.063 R)
• M12: 5,665,571 km (0.113 R)
• M13: 6,147,724 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 406.8

Radius: 10.5

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 1.27 AU - 1.29 AU

Year: 982 Days

Day: 14.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 1.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 85,999,035 km

• M1: 130,749 km (0.114 R)
• M2: 811,568 km (0.1 R)
• M3: 1,161,179 km (0.06 R)
• M4: 1,629,869 km (0.1 R)
• M5: 2,133,864 km (0.103 R)
• M6: 2,682,290 km (0.093 R)
• M7: 3,204,985 km (0.106 R)
• M8: 4,471,331 km (0.109 R)
• M9: 5,354,407 km (0.094 R)
• M10: 5,808,437 km (0.074 R)
• M11: 6,968,418 km (0.073 R)
• M12: 7,418,110 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.6

Radius: 10

Gravity: 2.66 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.92 AU - 2.22 AU

Year: 2020 Days

Day: 8.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 21 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 85,999,035 km

• M1: 124,465 km (0.081 R)
• M2: 496,515 km (0.108 R)
• M3: 1,071,121 km (0.072 R)
• M4: 1,457,831 km (0.113 R)
• M5: 1,968,409 km (0.097 R)
• M6: 2,948,873 km (0.07 R)
• M7: 3,409,934 km (0.053 R)
• M8: 4,625,117 km (0.112 R)
• M9: 6,198,737 km (0.088 R)
• M10: 6,523,664 km (0.117 R)
• M11: 7,233,207 km (0.113 R)
• M12: 7,993,313 km (0.03 R)
• M13: 8,519,599 km (0.04 R)
• M14: 10,078,857 km (0.116 R)
• M15: 10,759,528 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 994.4

Radius: 10.5

Gravity: 9.02 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 3.48 AU - 5.5 AU

Year: 6453 Days

Day: 11.8 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 85,999,035 km

• M1: 130,898 km (0.116 R)
• M2: 543,339 km (0.115 R)
• M3: 1,136,345 km (0.112 R)
• M4: 1,517,371 km (0.117 R)
• M5: 1,847,833 km (0.087 R)
• M6: 2,955,755 km (0.108 R)
• M7: 3,787,369 km (0.092 R)
• M8: 5,060,148 km (0.051 R)
• M9: 5,942,925 km (0.054 R)
• M10: 8,218,309 km (0.07 R)
• M11: 8,769,577 km (0.079 R)
• M12: 9,300,200 km (0.085 R)
• M13: 9,665,668 km (0.039 R)
• M14: 11,276,239 km (0.073 R)
• M15: 12,499,800 km (0.107 R)
• M16: 12,889,203 km (0.027 R)
• M17: 13,286,684 km (0.117 R)
• M18: 14,589,532 km (0.061 R)
• M19: 16,236,904 km (0.098 R)
• M20: 18,145,923 km (0.117 R)
• M21: 19,897,564 km (0.08 R)
• M22: 20,505,829 km (0.093 R)
• M23: 21,362,277 km (0.08 R)
• M24: 23,313,332 km (0.113 R)
• M25: 25,558,198 km (0.051 R)
• M26: 27,754,893 km (0.111 R)
• M27: 32,625,201 km (0.078 R)
• M28: 36,096,171 km (0.108 R)
• M29: 36,887,095 km (0.115 R)
• M30: 38,738,069 km (0.038 R)
• M31: 40,166,280 km (0.085 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.2

Radius: 3.6

Gravity: 46.7 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 5.55 AU - 6.43 AU

Year: 9943 Days

Day: 24.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 85,999,035 km

• M1: 45,478 km (0.071 R)
• M2: 218,562 km (0.085 R)
• M3: 410,945 km (0.064 R)
• M4: 896,690 km (0.091 R)
• M5: 2,162,736 km (0.104 R)
• M6: 2,556,628 km (0.065 R)
• M7: 3,608,600 km (0.114 R)
• M8: 4,356,589 km (0.109 R)
• M9: 4,736,867 km (0.054 R)
• M10: 5,012,875 km (0.077 R)
• M11: 5,170,701 km (0.109 R)
• M12: 5,870,370 km (0.092 R)
• M13: 6,593,227 km (0.077 R)
• M14: 6,744,620 km (0.104 R)
• M15: 7,495,751 km (0.093 R)
• M16: 8,170,138 km (0.093 R)
• M17: 9,882,884 km (0.074 R)
• M18: 10,282,310 km (0.115 R)
• M19: 11,007,262 km (0.07 R)
• M20: 11,820,925 km (0.036 R)
• M21: 12,442,653 km (0.093 R)
• M22: 13,324,982 km (0.091 R)
• M23: 14,060,405 km (0.107 R)
• M24: 17,201,661 km (0.078 R)
• M25: 19,125,489 km (0.055 R)
• M26: 21,270,124 km (0.059 R)
• M27: 23,658,006 km (0.11 R)
• M28: 25,561,938 km (0.089 R)
• M29: 31,027,197 km (0.04 R)
• M30: 38,186,652 km (0.025 R)
• M31: 38,797,909 km (0.092 R)
• M32: 39,664,529 km (0.11 R)
• M33: 42,996,522 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.29 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.7

Radius: 5

Gravity: 35.55 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 7.24 AU - 7.34 AU

Year: 13350 Days

Day: 20.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 24.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 85,999,035 km

• M1: 62,382 km (0.116 R)
• M2: 251,324 km (0.1 R)
• M3: 503,397 km (0.058 R)
• M4: 832,662 km (0.099 R)
• M5: 1,350,570 km (0.077 R)
• M6: 1,823,598 km (0.111 R)
• M7: 2,079,261 km (0.051 R)
• M8: 2,235,890 km (0.086 R)
• M9: 2,639,804 km (0.066 R)
• M10: 3,066,008 km (0.068 R)
• M11: 8,120,621 km (0.083 R)
• M12: 9,017,161 km (0.106 R)
• M13: 9,542,699 km (0.089 R)
• M14: 11,301,970 km (0.085 R)
• M15: 17,937,832 km (0.096 R)
• M16: 22,725,562 km (0.078 R)
• M17: 22,917,646 km (0.061 R)
• M18: 24,594,189 km (0.089 R)
• M19: 26,139,834 km (0.065 R)
• M20: 29,423,358 km (0.087 R)
• M21: 30,692,995 km (0.113 R)
• M22: 33,094,490 km (0.056 R)
• M23: 33,465,044 km (0.076 R)
• M24: 39,778,822 km (0.1 R)
• M25: 43,066,983 km (0.119 R)
• M26: 48,094,668 km (0.095 R)
• M27: 48,729,412 km (0.079 R)
• M28: 50,015,655 km (0.093 R)
• M29: 52,992,353 km (0.12 R)
• M30: 57,319,322 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.64 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 440.6

Radius: 3.1

Gravity: 45.85 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 10.21 AU - 11.07 AU

Year: 23540 Days

Day: 19.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 85,999,035 km

• M1: 38,596 km (0.045 R)
• M2: 181,462 km (0.066 R)
• M3: 343,926 km (0.065 R)
• M4: 1,012,778 km (0.094 R)
• M5: 1,209,648 km (0.113 R)
• M6: 1,478,925 km (0.104 R)
• M7: 1,917,246 km (0.115 R)
• M8: 3,312,546 km (0.101 R)
• M9: 3,897,623 km (0.105 R)
• M10: 5,938,437 km (0.095 R)
• M11: 6,272,340 km (0.071 R)
• M12: 7,636,373 km (0.052 R)
• M13: 7,733,761 km (0.047 R)
• M14: 8,335,743 km (0.119 R)
• M15: 9,519,361 km (0.11 R)
• M16: 11,244,674 km (0.093 R)
• M17: 12,481,399 km (0.046 R)
• M18: 12,821,435 km (0.114 R)
• M19: 13,237,467 km (0.03 R)
• M20: 13,590,967 km (0.102 R)
• M21: 15,144,690 km (0.089 R)
• M22: 16,649,046 km (0.097 R)
• M23: 17,648,659 km (0.101 R)
• M24: 17,904,771 km (0.111 R)
• M25: 18,250,043 km (0.111 R)
• M26: 20,042,973 km (0.075 R)
• M27: 20,791,860 km (0.103 R)
• M28: 23,048,694 km (0.11 R)
• M29: 25,247,034 km (0.118 R)
• M30: 30,176,284 km (0.036 R)
• M31: 33,708,589 km (0.104 R)
• M32: 34,632,805 km (0.108 R)
• M33: 36,256,241 km (0.094 R)
• M34: 37,506,729 km (0.097 R)
• M35: 37,788,422 km (0.099 R)
• M36: 41,730,775 km (0.042 R)
• M37: 42,185,104 km (0.093 R)
• M38: 45,138,914 km (0.079 R)
• M39: 46,910,601 km (0.117 R)
• M40: 55,915,196 km (0.099 R)
• M41: 65,392,371 km (0.047 R)
• M42: 68,284,247 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 702

Radius: 3.5

Gravity: 57.31 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 8.03 AU - 13.38 AU

Year: 23739 Days

Day: 18.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 85,999,035 km

• M1: 47,273 km (0.112 R)
• M2: 174,282 km (0.061 R)
• M3: 305,628 km (0.07 R)
• M4: 458,368 km (0.1 R)
• M5: 671,096 km (0.119 R)
• M6: 1,022,651 km (0.1 R)
• M7: 1,402,779 km (0.049 R)
• M8: 1,589,477 km (0.044 R)
• M9: 2,364,394 km (0.092 R)
• M10: 3,188,978 km (0.118 R)
• M11: 3,921,708 km (0.12 R)
• M12: 4,504,242 km (0.051 R)
• M13: 4,986,995 km (0.11 R)
• M14: 5,503,556 km (0.081 R)
• M15: 5,669,460 km (0.089 R)
• M16: 7,118,764 km (0.105 R)
• M17: 8,301,485 km (0.108 R)
• M18: 9,197,427 km (0.111 R)
• M19: 10,156,050 km (0.109 R)
• M20: 10,405,729 km (0.102 R)
• M21: 10,532,139 km (0.097 R)
• M22: 11,512,753 km (0.118 R)
• M23: 15,961,943 km (0.049 R)
• M24: 16,130,091 km (0.032 R)
• M25: 16,727,884 km (0.099 R)
• M26: 16,988,633 km (0.11 R)
• M27: 21,741,807 km (0.089 R)
• M28: 24,308,756 km (0.048 R)
• M29: 30,419,680 km (0.12 R)
• M30: 31,992,701 km (0.103 R)
• M31: 35,016,224 km (0.095 R)
• M32: 36,451,316 km (0.1 R)
• M33: 37,925,005 km (0.078 R)
• M34: 38,525,491 km (0.029 R)
• M35: 38,676,734 km (0.073 R)
• M36: 40,833,936 km (0.051 R)
• M37: 46,233,222 km (0.089 R)
• M38: 57,824,663 km (0.033 R)
• M39: 59,422,219 km (0.058 R)
• M40: 65,890,681 km (0.106 R)
• M41: 71,209,185 km (0.091 R)
• M42: 82,941,547 km (0.054 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: 496 - 17,673 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit