🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 16.7

Radius: 10.6

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 1.06 AU - 1.58 AU

Year: 1011 Days

Day: 12.9 Hours

Environment

Temp: -178 °C

Axial Tilt: 138.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 64,128,451 km

• M1: 133,591 km (0.117 R)
• M2: 516,861 km (0.074 R)
• M3: 1,373,458 km (0.08 R)
• M4: 1,745,957 km (0.114 R)
• M5: 2,574,280 km (0.039 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.7

Radius: 12.2

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 1.84 AU - 2.06 AU

Year: 1816 Days

Day: 8.5 Hours

Environment

Temp: -196 °C

Axial Tilt: 17.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,128,451 km

• M1: 151,692 km (0.099 R)
• M2: 543,788 km (0.114 R)
• M3: 984,204 km (0.119 R)
• M4: 1,393,055 km (0.12 R)
• M5: 1,906,475 km (0.118 R)
• M6: 2,729,264 km (0.113 R)
• M7: 3,174,168 km (0.062 R)
• M8: 4,037,347 km (0.103 R)
• M9: 4,766,637 km (0.051 R)
• M10: 5,998,276 km (0.098 R)
• M11: 6,382,743 km (0.113 R)
• M12: 7,607,201 km (0.1 R)
• M13: 8,275,455 km (0.095 R)
• M14: 9,729,247 km (0.102 R)
• M15: 11,541,476 km (0.099 R)
• M16: 12,138,670 km (0.103 R)
• M17: 12,589,708 km (0.094 R)
• M18: 14,144,479 km (0.12 R)
• M19: 15,969,573 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 353.6

Radius: 11.3

Gravity: 2.77 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.8 AU - 2.98 AU

Year: 2464 Days

Day: 10.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 64,128,451 km

• M1: 140,622 km (0.117 R)
• M2: 524,939 km (0.106 R)
• M3: 962,064 km (0.082 R)
• M4: 1,398,590 km (0.108 R)
• M5: 1,796,222 km (0.114 R)
• M6: 2,197,443 km (0.045 R)
• M7: 2,686,179 km (0.112 R)
• M8: 3,184,191 km (0.08 R)
• M9: 3,691,477 km (0.066 R)
• M10: 4,765,440 km (0.091 R)
• M11: 6,686,726 km (0.061 R)
• M12: 7,777,294 km (0.118 R)
• M13: 8,185,846 km (0.118 R)
• M14: 9,897,694 km (0.046 R)
• M15: 10,766,409 km (0.106 R)
• M16: 11,798,784 km (0.059 R)
• M17: 12,260,892 km (0.105 R)
• M18: 14,535,827 km (0.041 R)
• M19: 14,977,739 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.9

Radius: 11.9

Gravity: 6.64 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 2.83 AU - 2.99 AU

Year: 3310 Days

Day: 5.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 121.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,128,451 km

• M1: 148,102 km (0.103 R)
• M2: 646,712 km (0.116 R)
• M3: 1,117,795 km (0.088 R)
• M4: 1,733,540 km (0.084 R)
• M5: 2,176,799 km (0.095 R)
• M6: 3,221,441 km (0.088 R)
• M7: 4,250,076 km (0.1 R)
• M8: 5,378,941 km (0.085 R)
• M9: 6,158,196 km (0.086 R)
• M10: 8,115,834 km (0.115 R)
• M11: 13,367,019 km (0.095 R)
• M12: 13,916,492 km (0.104 R)
• M13: 15,167,429 km (0.067 R)
• M14: 15,765,222 km (0.098 R)
• M15: 17,299,348 km (0.089 R)
• M16: 22,778,370 km (0.079 R)
• M17: 24,735,858 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.7

Radius: 8.2

Gravity: 11.88 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.78 AU - 3.5 AU

Year: 3710 Days

Day: 9.3 Hours

Environment

Temp: -208 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,128,451 km

• M1: 102,175 km (0.059 R)
• M2: 421,866 km (0.106 R)
• M3: 741,407 km (0.094 R)
• M4: 1,112,859 km (0.102 R)
• M5: 1,689,110 km (0.084 R)
• M6: 2,223,174 km (0.116 R)
• M7: 2,482,277 km (0.113 R)
• M8: 4,008,924 km (0.085 R)
• M9: 4,372,147 km (0.081 R)
• M10: 5,431,300 km (0.107 R)
• M11: 5,763,108 km (0.097 R)
• M12: 8,700,612 km (0.072 R)
• M13: 9,271,926 km (0.081 R)
• M14: 10,961,634 km (0.079 R)
• M15: 11,269,357 km (0.043 R)
• M16: 13,041,793 km (0.098 R)
• M17: 13,587,825 km (0.047 R)
• M18: 15,591,838 km (0.114 R)
• M19: 16,837,988 km (0.066 R)
• M20: 20,307,612 km (0.105 R)
• M21: 21,654,292 km (0.054 R)
• M22: 22,279,312 km (0.102 R)
• M23: 23,059,465 km (0.108 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.8

Radius: 12.7

Gravity: 0.78 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 3.07 AU - 3.89 AU

Year: 4329 Days

Day: 10.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,128,451 km

• M1: 229,782 km (0.09 R)
• M2: 738,116 km (0.092 R)
• M3: 1,907,822 km (0.078 R)
• M4: 3,409,036 km (0.116 R)
• M5: 5,294,568 km (0.118 R)
• M6: 5,846,883 km (0.109 R)
• M7: 6,336,367 km (0.104 R)
• M8: 12,854,646 km (0.102 R)
• M9: 13,390,505 km (0.089 R)
• M10: 15,224,276 km (0.09 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.9

Radius: 12.1

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 5.11 AU - 5.97 AU

Year: 8695 Days

Day: 11 Hours

Environment

Temp: -225 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,128,451 km

• M1: 150,795 km (0.11 R)
• M2: 531,222 km (0.05 R)
• M3: 1,087,876 km (0.107 R)
• M4: 2,517,583 km (0.111 R)
• M5: 3,113,281 km (0.089 R)
• M6: 3,501,189 km (0.114 R)
• M7: 4,195,023 km (0.111 R)
• M8: 5,093,807 km (0.119 R)
• M9: 6,521,121 km (0.077 R)
• M10: 7,649,388 km (0.1 R)
• M11: 9,292,272 km (0.095 R)
• M12: 10,196,740 km (0.098 R)
• M13: 11,109,587 km (0.096 R)
• M14: 11,560,475 km (0.112 R)
• M15: 12,180,857 km (0.09 R)
• M16: 13,431,944 km (0.114 R)
• M17: 16,573,798 km (0.065 R)
• M18: 18,384,681 km (0.083 R)
• M19: 21,075,647 km (0.03 R)
• M20: 25,545,931 km (0.109 R)
• M21: 27,955,952 km (0.027 R)
• M22: 28,885,853 km (0.044 R)
• M23: 29,453,577 km (0.089 R)
• M24: 33,638,577 km (0.092 R)
• M25: 35,655,755 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.6

Radius: 5.8

Gravity: 23.98 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 5.51 AU - 6.83 AU

Year: 10220 Days

Day: 23.3 Hours

Environment

Temp: -220 °C

Axial Tilt: 24.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 64,128,451 km

• M1: 72,405 km (0.091 R)
• M2: 407,505 km (0.059 R)
• M3: 664,065 km (0.12 R)
• M4: 863,928 km (0.109 R)
• M5: 1,115,551 km (0.07 R)
• M6: 1,498,821 km (0.077 R)
• M7: 2,034,980 km (0.117 R)
• M8: 2,328,042 km (0.112 R)
• M9: 2,798,228 km (0.066 R)
• M10: 3,256,895 km (0.056 R)
• M11: 3,478,898 km (0.113 R)
• M12: 3,981,248 km (0.117 R)
• M13: 4,293,459 km (0.097 R)
• M14: 5,295,316 km (0.116 R)
• M15: 6,217,138 km (0.082 R)
• M16: 6,559,867 km (0.079 R)
• M17: 12,532,711 km (0.095 R)
• M18: 16,846,366 km (0.048 R)
• M19: 18,975,592 km (0.063 R)
• M20: 19,293,787 km (0.1 R)
• M21: 19,858,968 km (0.07 R)
• M22: 22,319,105 km (0.041 R)
• M23: 23,122,146 km (0.041 R)
• M24: 24,596,882 km (0.112 R)
• M25: 25,743,250 km (0.085 R)
• M26: 29,395,832 km (0.11 R)
• M27: 36,104,249 km (0.099 R)
• M28: 36,715,656 km (0.111 R)
• M29: 37,085,761 km (0.047 R)
• M30: 39,230,246 km (0.1 R)
• M31: 39,487,854 km (0.108 R)
• M32: 40,398,456 km (0.104 R)
• M33: 41,857,484 km (0.077 R)
• M34: 46,157,825 km (0.053 R)
• M35: 46,733,178 km (0.079 R)
• M36: 49,682,500 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 634

Radius: 3.4

Gravity: 54.84 G

Time & Orbit

Eccentricity (e): 0.118

Orbit Range: 5.44 AU - 6.9 AU

Year: 10220 Days

Day: 20.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,128,451 km

• M1: 42,486 km (0.097 R)
• M2: 183,706 km (0.075 R)
• M3: 352,004 km (0.082 R)
• M4: 610,958 km (0.112 R)
• M5: 893,847 km (0.098 R)
• M6: 1,005,746 km (0.099 R)
• M7: 1,308,084 km (0.102 R)
• M8: 1,838,558 km (0.098 R)
• M9: 2,196,845 km (0.092 R)
• M10: 3,211,268 km (0.08 R)
• M11: 4,076,093 km (0.059 R)
• M12: 4,215,070 km (0.114 R)
• M13: 4,927,305 km (0.092 R)
• M14: 5,344,982 km (0.094 R)
• M15: 7,012,550 km (0.027 R)
• M16: 8,269,471 km (0.052 R)
• M17: 9,767,694 km (0.109 R)
• M18: 11,164,938 km (0.086 R)
• M19: 13,656,191 km (0.065 R)
• M20: 14,157,194 km (0.112 R)
• M21: 15,129,581 km (0.106 R)
• M22: 19,308,896 km (0.103 R)
• M23: 19,543,765 km (0.106 R)
• M24: 19,780,728 km (0.094 R)
• M25: 19,939,601 km (0.096 R)
• M26: 22,341,544 km (0.111 R)
• M27: 25,771,225 km (0.068 R)
• M28: 26,055,910 km (0.115 R)
• M29: 28,108,842 km (0.077 R)
• M30: 29,328,962 km (0.12 R)
• M31: 33,877,036 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 511.1

Radius: 6.9

Gravity: 10.74 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 7.36 AU - 10.58 AU

Year: 17915 Days

Day: 17.6 Hours

Environment

Temp: -235 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 64,128,451 km

• M1: 85,869 km (0.038 R)
• M2: 916,885 km (0.073 R)
• M3: 1,160,281 km (0.058 R)
• M4: 2,184,428 km (0.08 R)
• M5: 3,712,122 km (0.062 R)
• M6: 4,184,552 km (0.119 R)
• M7: 4,967,397 km (0.055 R)
• M8: 7,080,318 km (0.083 R)
• M9: 7,437,408 km (0.093 R)
• M10: 9,353,008 km (0.079 R)
• M11: 10,740,978 km (0.102 R)
• M12: 11,575,434 km (0.097 R)
• M13: 12,973,127 km (0.103 R)
• M14: 13,919,035 km (0.093 R)
• M15: 14,693,952 km (0.086 R)
• M16: 14,910,121 km (0.109 R)
• M17: 15,348,891 km (0.098 R)
• M18: 17,836,405 km (0.099 R)
• M19: 25,307,921 km (0.099 R)
• M20: 25,618,785 km (0.086 R)
• M21: 29,666,455 km (0.108 R)
• M22: 30,947,312 km (0.068 R)
• M23: 31,661,342 km (0.04 R)
• M24: 33,994,770 km (0.095 R)
• M25: 34,246,842 km (0.05 R)
• M26: 36,308,899 km (0.076 R)
• M27: 38,452,337 km (0.096 R)
• M28: 40,254,693 km (0.097 R)
• M29: 44,930,224 km (0.084 R)
• M30: 47,870,720 km (0.054 R)
• M31: 52,434,353 km (0.037 R)
• M32: 54,648,252 km (0.093 R)
• M33: 59,261,850 km (0.053 R)
• M34: 59,627,168 km (0.076 R)
• M35: 60,362,292 km (0.087 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 533 - 10,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit