🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 258.3

Radius: 9.5

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.5 AU - 0.74 AU

Year: 326 Days

Day: 8.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,579,813 km

• M1: 118,182 km (0.026 R)
• M2: 416,780 km (0.089 R)
• M3: 730,337 km (0.085 R)
• M4: 1,229,395 km (0.097 R)
• M5: 1,669,961 km (0.106 R)
• M6: 2,169,768 km (0.06 R)
• M7: 2,863,004 km (0.105 R)
• M8: 3,203,788 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 107.7

Radius: 10.7

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1 AU - 1.4 AU

Year: 877 Days

Day: 10.8 Hours

Environment

Temp: -183 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,579,813 km

• M1: 133,142 km (0.11 R)
• M2: 784,940 km (0.104 R)
• M3: 1,175,091 km (0.114 R)
• M4: 1,662,182 km (0.082 R)
• M5: 2,020,020 km (0.096 R)
• M6: 2,402,991 km (0.117 R)
• M7: 3,133,028 km (0.116 R)
• M8: 3,602,915 km (0.059 R)
• M9: 4,093,895 km (0.118 R)
• M10: 4,769,928 km (0.05 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291

Radius: 12.5

Gravity: 1.86 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.17 AU - 2.33 AU

Year: 2251 Days

Day: 10.7 Hours

Environment

Temp: -199 °C

Axial Tilt: 31.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,579,813 km

• M1: 155,432 km (0.101 R)
• M2: 544,237 km (0.085 R)
• M3: 1,167,013 km (0.071 R)
• M4: 1,668,016 km (0.081 R)
• M5: 2,139,399 km (0.115 R)
• M6: 2,608,538 km (0.096 R)
• M7: 3,387,943 km (0.068 R)
• M8: 4,390,698 km (0.115 R)
• M9: 5,366,225 km (0.111 R)
• M10: 8,565,824 km (0.117 R)
• M11: 10,516,730 km (0.113 R)
• M12: 10,960,737 km (0.117 R)
• M13: 12,256,105 km (0.108 R)
• M14: 13,018,456 km (0.105 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.1

Radius: 12.3

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 3.7 AU - 3.84 AU

Year: 4881 Days

Day: 9.6 Hours

Environment

Temp: -218 °C

Axial Tilt: 49.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,579,813 km

• M1: 170,990 km (0.094 R)
• M2: 671,395 km (0.072 R)
• M3: 1,083,089 km (0.106 R)
• M4: 2,024,807 km (0.047 R)
• M5: 2,492,001 km (0.099 R)
• M6: 3,452,120 km (0.089 R)
• M7: 5,361,588 km (0.118 R)
• M8: 6,679,246 km (0.088 R)
• M9: 7,495,452 km (0.079 R)
• M10: 7,927,939 km (0.089 R)
• M11: 9,101,235 km (0.114 R)
• M12: 11,834,837 km (0.119 R)
• M13: 12,653,736 km (0.118 R)
• M14: 13,754,776 km (0.111 R)
• M15: 17,040,544 km (0.059 R)
• M16: 19,356,618 km (0.057 R)
• M17: 21,209,687 km (0.113 R)
• M18: 23,459,040 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971

Radius: 11

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 3.68 AU - 5 AU

Year: 6029 Days

Day: 5 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 48,579,813 km

• M1: 136,732 km (0.12 R)
• M2: 555,756 km (0.074 R)
• M3: 968,347 km (0.04 R)
• M4: 1,345,034 km (0.079 R)
• M5: 2,587,445 km (0.082 R)
• M6: 2,933,465 km (0.111 R)
• M7: 3,839,729 km (0.114 R)
• M8: 4,266,531 km (0.074 R)
• M9: 4,753,024 km (0.092 R)
• M10: 9,262,801 km (0.033 R)
• M11: 9,711,445 km (0.117 R)
• M12: 10,174,750 km (0.109 R)
• M13: 12,337,037 km (0.118 R)
• M14: 14,971,755 km (0.12 R)
• M15: 15,970,171 km (0.054 R)
• M16: 16,420,610 km (0.111 R)
• M17: 17,686,358 km (0.063 R)
• M18: 18,168,811 km (0.072 R)
• M19: 19,449,518 km (0.075 R)
• M20: 20,261,236 km (0.052 R)
• M21: 20,942,056 km (0.096 R)
• M22: 22,670,660 km (0.063 R)
• M23: 25,005,733 km (0.092 R)
• M24: 27,040,264 km (0.108 R)
• M25: 28,897,222 km (0.072 R)
• M26: 29,566,822 km (0.075 R)
• M27: 30,639,888 km (0.117 R)
• M28: 33,070,853 km (0.118 R)
• M29: 35,518,723 km (0.11 R)
• M30: 36,731,064 km (0.065 R)
• M31: 37,743,244 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 261.8

Radius: 10.8

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 3.39 AU - 5.53 AU

Year: 6281 Days

Day: 12.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 41.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,579,813 km

• M1: 188,793 km (0.11 R)
• M2: 606,619 km (0.111 R)
• M3: 1,038,060 km (0.099 R)
• M4: 1,571,226 km (0.064 R)
• M5: 2,718,941 km (0.056 R)
• M6: 4,042,284 km (0.103 R)
• M7: 5,111,460 km (0.101 R)
• M8: 6,632,272 km (0.098 R)
• M9: 11,056,180 km (0.025 R)
• M10: 12,316,991 km (0.053 R)
• M11: 13,872,510 km (0.097 R)
• M12: 14,488,255 km (0.083 R)
• M13: 16,276,099 km (0.066 R)
• M14: 18,882,542 km (0.082 R)
• M15: 23,728,466 km (0.083 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 61.2

Radius: 7.1

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 4.51 AU - 7.05 AU

Year: 9267 Days

Day: 17.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,579,813 km

• M1: 91,554 km (0.101 R)
• M2: 335,099 km (0.111 R)
• M3: 1,003,203 km (0.058 R)
• M4: 1,634,058 km (0.059 R)
• M5: 2,088,087 km (0.046 R)
• M6: 2,653,717 km (0.077 R)
• M7: 3,824,170 km (0.026 R)
• M8: 4,381,572 km (0.09 R)
• M9: 4,968,295 km (0.066 R)
• M10: 6,577,818 km (0.107 R)
• M11: 8,406,204 km (0.091 R)
• M12: 9,131,604 km (0.074 R)
• M13: 9,897,994 km (0.053 R)
• M14: 10,162,782 km (0.052 R)
• M15: 12,807,822 km (0.041 R)
• M16: 13,396,190 km (0.113 R)
• M17: 14,097,206 km (0.05 R)
• M18: 14,773,388 km (0.067 R)
• M19: 15,623,254 km (0.109 R)
• M20: 17,585,080 km (0.106 R)
• M21: 18,198,581 km (0.028 R)
• M22: 19,646,090 km (0.066 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 515.5

Radius: 6.9

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.158

Orbit Range: 5.07 AU - 6.97 AU

Year: 9850 Days

Day: 22.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 14.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,579,813 km

• M1: 107,112 km (0.115 R)
• M2: 420,220 km (0.1 R)
• M3: 758,910 km (0.057 R)
• M4: 1,202,916 km (0.103 R)
• M5: 2,062,207 km (0.101 R)
• M6: 2,544,061 km (0.083 R)
• M7: 2,801,519 km (0.091 R)
• M8: 3,054,639 km (0.112 R)
• M9: 3,369,243 km (0.09 R)
• M10: 3,656,022 km (0.084 R)
• M11: 4,673,138 km (0.103 R)
• M12: 5,153,647 km (0.102 R)
• M13: 5,405,869 km (0.085 R)
• M14: 6,107,782 km (0.103 R)
• M15: 6,354,618 km (0.094 R)
• M16: 6,944,333 km (0.12 R)
• M17: 7,213,460 km (0.066 R)
• M18: 10,908,078 km (0.106 R)
• M19: 12,639,524 km (0.105 R)
• M20: 13,157,731 km (0.039 R)
• M21: 14,052,775 km (0.117 R)
• M22: 17,050,417 km (0.081 R)
• M23: 21,729,540 km (0.076 R)
• M24: 23,404,437 km (0.064 R)
• M25: 24,804,973 km (0.101 R)
• M26: 25,344,273 km (0.058 R)
• M27: 27,198,538 km (0.096 R)
• M28: 32,226,373 km (0.105 R)
• M29: 32,868,447 km (0.1 R)
• M30: 35,408,918 km (0.115 R)
• M31: 37,368,800 km (0.093 R)
• M32: 41,251,912 km (0.113 R)

Asteroid Belt

Center: 6.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 530.8

Radius: 4.8

Gravity: 23.04 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 6.43 AU - 6.99 AU

Year: 11591 Days

Day: 15.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 48,579,813 km

• M1: 60,737 km (0.103 R)
• M2: 233,522 km (0.114 R)
• M3: 535,261 km (0.066 R)
• M4: 808,726 km (0.071 R)
• M5: 993,629 km (0.113 R)
• M6: 1,819,260 km (0.091 R)
• M7: 2,034,830 km (0.059 R)
• M8: 2,323,405 km (0.12 R)
• M9: 3,259,139 km (0.049 R)
• M10: 3,680,257 km (0.115 R)
• M11: 4,540,295 km (0.117 R)
• M12: 5,226,950 km (0.05 R)
• M13: 6,197,840 km (0.067 R)
• M14: 6,495,988 km (0.071 R)
• M15: 8,264,983 km (0.094 R)
• M16: 13,882,533 km (0.109 R)
• M17: 16,348,055 km (0.075 R)
• M18: 17,572,813 km (0.08 R)
• M19: 19,562,166 km (0.108 R)
• M20: 20,122,410 km (0.088 R)
• M21: 20,365,805 km (0.1 R)
• M22: 24,716,111 km (0.11 R)
• M23: 25,654,688 km (0.114 R)
• M24: 30,067,975 km (0.104 R)
• M25: 35,430,909 km (0.113 R)
• M26: 37,718,710 km (0.034 R)
• M27: 42,319,891 km (0.074 R)
• M28: 43,661,485 km (0.107 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 321 - 16,251 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit