🌌 Stone's Star System Generator

Asteroid Belt

Center: 2.2 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 882.7

Radius: 9.8

Gravity: 9.19 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 4.24 AU - 4.56 AU

Year: 6260 Days

Day: 9.2 Hours

Environment

Temp: -216 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 75,174,856 km

• M1: 121,922 km (0.098 R)
• M2: 647,908 km (0.091 R)
• M3: 1,489,247 km (0.108 R)
• M4: 2,687,077 km (0.062 R)
• M5: 3,658,865 km (0.117 R)
• M6: 4,199,511 km (0.087 R)
• M7: 4,543,587 km (0.063 R)
• M8: 5,786,296 km (0.052 R)
• M9: 6,146,378 km (0.048 R)
• M10: 6,626,288 km (0.109 R)
• M11: 8,299,241 km (0.054 R)
• M12: 10,813,832 km (0.106 R)
• M13: 11,565,262 km (0.065 R)
• M14: 11,980,097 km (0.095 R)
• M15: 12,458,660 km (0.093 R)
• M16: 13,682,221 km (0.109 R)
• M17: 15,415,163 km (0.09 R)
• M18: 17,289,774 km (0.048 R)
• M19: 17,695,932 km (0.059 R)
• M20: 22,512,385 km (0.044 R)
• M21: 25,786,335 km (0.104 R)
• M22: 27,951,465 km (0.076 R)
• M23: 29,268,973 km (0.085 R)
• M24: 32,231,011 km (0.091 R)
• M25: 35,713,649 km (0.109 R)
• M26: 36,262,225 km (0.093 R)

Planet 2 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 101.8

Radius: 11.5

Gravity: 0.77 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 3.92 AU - 4.92 AU

Year: 6303 Days

Day: 9.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,174,856 km

• M1: 144,661 km (0.094 R)
• M2: 820,844 km (0.084 R)
• M3: 2,053,680 km (0.088 R)
• M4: 2,672,865 km (0.096 R)
• M5: 3,343,512 km (0.115 R)
• M6: 4,083,872 km (0.106 R)
• M7: 5,276,466 km (0.07 R)
• M8: 5,688,459 km (0.11 R)
• M9: 6,387,380 km (0.118 R)
• M10: 6,827,946 km (0.061 R)
• M11: 8,019,194 km (0.08 R)
• M12: 10,925,581 km (0.057 R)
• M13: 11,397,114 km (0.08 R)
• M14: 11,841,270 km (0.065 R)
• M15: 13,332,162 km (0.11 R)
• M16: 14,849,085 km (0.047 R)
• M17: 16,580,381 km (0.091 R)
• M18: 17,896,842 km (0.079 R)

Planet 3 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 534.8

Radius: 3.7

Gravity: 39.07 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.58 AU - 7.46 AU

Year: 10018 Days

Day: 18.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,174,856 km

• M1: 46,375 km (0.068 R)
• M2: 270,623 km (0.099 R)
• M3: 431,889 km (0.082 R)
• M4: 1,025,493 km (0.084 R)
• M5: 1,214,286 km (0.073 R)
• M6: 1,890,468 km (0.078 R)
• M7: 2,105,590 km (0.075 R)
• M8: 2,245,913 km (0.037 R)
• M9: 3,022,176 km (0.112 R)
• M10: 3,410,831 km (0.087 R)
• M11: 4,122,469 km (0.115 R)
• M12: 4,370,951 km (0.045 R)
• M13: 4,658,478 km (0.108 R)
• M14: 4,958,571 km (0.103 R)
• M15: 5,731,244 km (0.105 R)
• M16: 7,270,905 km (0.066 R)
• M17: 9,533,573 km (0.108 R)
• M18: 10,214,393 km (0.082 R)
• M19: 12,507,878 km (0.037 R)
• M20: 14,049,185 km (0.028 R)
• M21: 15,058,073 km (0.111 R)
• M22: 15,580,169 km (0.097 R)
• M23: 17,218,865 km (0.099 R)
• M24: 18,006,797 km (0.12 R)
• M25: 18,299,260 km (0.037 R)
• M26: 21,075,348 km (0.08 R)
• M27: 34,757,868 km (0.061 R)
• M28: 36,945,887 km (0.106 R)
• M29: 37,774,659 km (0.06 R)
• M30: 39,101,891 km (0.089 R)
• M31: 39,223,963 km (0.114 R)
• M32: 43,400,137 km (0.099 R)

Planet 4 - Ice Giant

Semi-Major Axis: 7.27 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.9

Radius: 6.5

Gravity: 7.67 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 7.1 AU - 7.44 AU

Year: 13295 Days

Day: 22.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,174,856 km

• M1: 81,232 km (0.113 R)
• M2: 286,929 km (0.1 R)
• M3: 535,112 km (0.087 R)
• M4: 1,080,845 km (0.06 R)
• M5: 1,359,545 km (0.095 R)
• M6: 1,980,227 km (0.085 R)
• M7: 4,641,723 km (0.062 R)
• M8: 5,065,234 km (0.084 R)
• M9: 10,260,768 km (0.076 R)
• M10: 13,515,270 km (0.093 R)
• M11: 14,630,821 km (0.106 R)
• M12: 14,886,783 km (0.091 R)
• M13: 16,624,363 km (0.089 R)
• M14: 17,613,952 km (0.086 R)
• M15: 24,479,298 km (0.075 R)
• M16: 27,564,754 km (0.089 R)
• M17: 28,349,993 km (0.052 R)
• M18: 31,640,249 km (0.045 R)
• M19: 32,718,550 km (0.091 R)
• M20: 34,268,983 km (0.093 R)
• M21: 35,405,926 km (0.065 R)
• M22: 38,722,960 km (0.032 R)
• M23: 42,630,606 km (0.114 R)
• M24: 44,211,257 km (0.05 R)
• M25: 44,478,439 km (0.081 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 913.6

Radius: 4.8

Gravity: 39.65 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 7.72 AU - 7.98 AU

Year: 14917 Days

Day: 21 Hours

Environment

Temp: -234 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,174,856 km

• M1: 60,737 km (0.062 R)
• M2: 403,765 km (0.119 R)
• M3: 1,071,869 km (0.067 R)
• M4: 2,555,580 km (0.107 R)
• M5: 2,788,654 km (0.091 R)
• M6: 3,378,967 km (0.035 R)
• M7: 4,908,007 km (0.092 R)
• M8: 5,380,437 km (0.076 R)
• M9: 5,724,811 km (0.081 R)
• M10: 5,962,522 km (0.105 R)
• M11: 6,585,597 km (0.09 R)
• M12: 9,515,322 km (0.091 R)
• M13: 11,200,841 km (0.077 R)
• M14: 12,276,300 km (0.078 R)
• M15: 12,538,994 km (0.115 R)
• M16: 13,627,618 km (0.09 R)
• M17: 15,149,926 km (0.091 R)
• M18: 17,351,109 km (0.087 R)
• M19: 20,208,428 km (0.112 R)
• M20: 22,473,041 km (0.09 R)
• M21: 23,364,195 km (0.061 R)
• M22: 24,692,774 km (0.104 R)
• M23: 28,863,264 km (0.105 R)
• M24: 29,797,502 km (0.112 R)
• M25: 37,592,299 km (0.089 R)
• M26: 38,146,260 km (0.117 R)
• M27: 42,177,474 km (0.092 R)
• M28: 44,449,567 km (0.117 R)
• M29: 45,694,071 km (0.092 R)
• M30: 56,136,451 km (0.106 R)
• M31: 57,224,178 km (0.084 R)
• M32: 64,243,609 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 178.9

Radius: 6.6

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 8.41 AU - 10.51 AU

Year: 19735 Days

Day: 16.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 34.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,174,856 km

• M1: 82,279 km (0.106 R)
• M2: 534,214 km (0.071 R)
• M3: 918,232 km (0.075 R)
• M4: 1,407,566 km (0.1 R)
• M5: 2,764,569 km (0.039 R)
• M6: 3,302,672 km (0.106 R)
• M7: 3,750,269 km (0.047 R)
• M8: 4,070,558 km (0.083 R)
• M9: 4,467,292 km (0.098 R)
• M10: 6,809,545 km (0.094 R)
• M11: 7,958,158 km (0.045 R)
• M12: 9,326,530 km (0.096 R)
• M13: 11,718,450 km (0.115 R)
• M14: 13,055,406 km (0.092 R)
• M15: 17,672,296 km (0.073 R)
• M16: 21,711,139 km (0.088 R)
• M17: 25,751,478 km (0.085 R)
• M18: 34,121,778 km (0.12 R)
• M19: 36,585,805 km (0.057 R)
• M20: 47,486,702 km (0.088 R)
• M21: 47,773,182 km (0.082 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 389

Radius: 3.7

Gravity: 28.41 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 7.89 AU - 11.27 AU

Year: 20111 Days

Day: 16.2 Hours

Environment

Temp: -240 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,174,856 km

• M1: 46,226 km (0.076 R)
• M2: 281,394 km (0.036 R)
• M3: 414,536 km (0.07 R)
• M4: 775,515 km (0.073 R)
• M5: 1,045,390 km (0.067 R)
• M6: 1,635,703 km (0.049 R)
• M7: 2,136,258 km (0.102 R)
• M8: 2,551,840 km (0.041 R)
• M9: 3,352,039 km (0.093 R)
• M10: 4,761,700 km (0.074 R)
• M11: 6,482,525 km (0.053 R)
• M12: 7,526,718 km (0.087 R)
• M13: 9,348,521 km (0.088 R)
• M14: 10,908,228 km (0.045 R)
• M15: 11,935,367 km (0.048 R)
• M16: 15,180,594 km (0.068 R)
• M17: 20,181,351 km (0.047 R)
• M18: 23,930,274 km (0.101 R)
• M19: 26,177,533 km (0.073 R)
• M20: 27,244,016 km (0.11 R)
• M21: 27,678,598 km (0.08 R)
• M22: 30,616,700 km (0.113 R)
• M23: 30,968,554 km (0.098 R)
• M24: 31,323,101 km (0.083 R)
• M25: 36,312,041 km (0.106 R)
• M26: 37,637,029 km (0.077 R)
• M27: 40,948,079 km (0.12 R)
• M28: 45,657,420 km (0.086 R)
• M29: 47,826,589 km (0.101 R)
• M30: 48,458,789 km (0.077 R)
• M31: 49,417,413 km (0.115 R)
• M32: 58,081,822 km (0.063 R)
• M33: 58,440,707 km (0.088 R)
• M34: 58,981,952 km (0.062 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.6

Radius: 3.2

Gravity: 58.16 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 9.88 AU - 9.88 AU

Year: 21063 Days

Day: 15.4 Hours

Environment

Temp: -231 °C

Axial Tilt: 141.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 75,174,856 km

• M1: 39,943 km (0.116 R)
• M2: 172,935 km (0.097 R)
• M3: 395,986 km (0.08 R)
• M4: 507,885 km (0.057 R)
• M5: 776,114 km (0.074 R)
• M6: 2,410,620 km (0.095 R)
• M7: 2,814,235 km (0.036 R)
• M8: 3,019,035 km (0.103 R)
• M9: 5,646,272 km (0.065 R)
• M10: 6,660,845 km (0.088 R)
• M11: 6,886,439 km (0.072 R)
• M12: 7,545,567 km (0.097 R)
• M13: 7,890,390 km (0.097 R)
• M14: 10,422,633 km (0.098 R)
• M15: 11,162,544 km (0.075 R)
• M16: 11,739,843 km (0.074 R)
• M17: 13,023,841 km (0.067 R)
• M18: 14,623,790 km (0.098 R)
• M19: 15,470,963 km (0.115 R)
• M20: 19,187,273 km (0.092 R)
• M21: 22,035,916 km (0.109 R)
• M22: 28,672,077 km (0.104 R)
• M23: 29,029,018 km (0.111 R)
• M24: 29,148,696 km (0.064 R)
• M25: 30,733,835 km (0.098 R)
• M26: 34,341,388 km (0.062 R)
• M27: 35,558,367 km (0.083 R)
• M28: 35,832,580 km (0.05 R)
• M29: 42,229,235 km (0.113 R)
• M30: 44,731,858 km (0.119 R)
• M31: 55,179,175 km (0.045 R)
• M32: 55,362,881 km (0.103 R)
• M33: 62,845,018 km (0.108 R)
• M34: 64,662,333 km (0.104 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 172 - 16,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit