🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.4

Radius: 9.5

Gravity: 7.33 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.64 AU - 1 AU

Year: 479 Days

Day: 6.7 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,770,245 km

• M1: 118,182 km (0.119 R)
• M2: 436,527 km (0.081 R)
• M3: 805,136 km (0.101 R)
• M4: 1,178,233 km (0.061 R)
• M5: 1,476,531 km (0.083 R)
• M6: 1,954,795 km (0.048 R)
• M7: 2,276,730 km (0.114 R)
• M8: 2,747,664 km (0.117 R)
• M9: 3,131,083 km (0.099 R)
• M10: 3,512,708 km (0.068 R)
• M11: 4,019,844 km (0.099 R)
• M12: 4,428,097 km (0.12 R)
• M13: 4,771,274 km (0.112 R)
• M14: 5,148,411 km (0.082 R)
• M15: 5,768,793 km (0.079 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94

Radius: 8.2

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 3.23 AU - 4.69 AU

Year: 5088 Days

Day: 10.5 Hours

Environment

Temp: -218 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 65,770,245 km

• M1: 150,645 km (0.091 R)
• M2: 499,806 km (0.038 R)
• M3: 808,277 km (0.087 R)
• M4: 1,737,729 km (0.102 R)
• M5: 2,315,925 km (0.075 R)
• M6: 4,852,805 km (0.089 R)
• M7: 6,680,293 km (0.088 R)
• M8: 7,138,362 km (0.082 R)
• M9: 7,938,561 km (0.045 R)
• M10: 10,059,709 km (0.085 R)
• M11: 10,411,114 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 609.5

Radius: 12.5

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 5.06 AU - 6 AU

Year: 8397 Days

Day: 9.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 65,770,245 km

• M1: 155,432 km (0.1 R)
• M2: 665,860 km (0.096 R)
• M3: 1,237,174 km (0.056 R)
• M4: 2,693,958 km (0.098 R)
• M5: 3,405,446 km (0.039 R)
• M6: 3,806,368 km (0.109 R)
• M7: 4,239,005 km (0.026 R)
• M8: 5,357,698 km (0.097 R)
• M9: 5,771,486 km (0.093 R)
• M10: 6,345,044 km (0.109 R)
• M11: 7,411,378 km (0.067 R)
• M12: 8,722,753 km (0.092 R)
• M13: 13,996,826 km (0.053 R)
• M14: 14,662,536 km (0.105 R)
• M15: 16,057,387 km (0.078 R)
• M16: 18,599,952 km (0.08 R)
• M17: 20,156,817 km (0.115 R)
• M18: 22,776,425 km (0.038 R)
• M19: 26,065,035 km (0.073 R)
• M20: 29,265,083 km (0.077 R)
• M21: 30,554,916 km (0.066 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 167.8

Radius: 9.6

Gravity: 1.82 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 5.12 AU - 6.26 AU

Year: 8764 Days

Day: 10.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 48 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 65,770,245 km

• M1: 502,200 km (0.105 R)
• M2: 918,381 km (0.045 R)
• M3: 2,145,383 km (0.08 R)
• M4: 4,870,607 km (0.1 R)
• M5: 5,622,337 km (0.096 R)
• M6: 6,542,663 km (0.07 R)
• M7: 9,102,881 km (0.104 R)
• M8: 9,499,166 km (0.117 R)
• M9: 11,336,078 km (0.12 R)
• M10: 13,246,891 km (0.078 R)
• M11: 15,142,147 km (0.043 R)
• M12: 17,392,099 km (0.113 R)
• M13: 17,818,303 km (0.098 R)
• M14: 18,313,921 km (0.087 R)
• M15: 19,790,153 km (0.105 R)
• M16: 25,000,497 km (0.109 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788

Radius: 6

Gravity: 21.89 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.99 AU - 7.31 AU

Year: 12345 Days

Day: 24.5 Hours

Environment

Temp: -215 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,770,245 km

• M1: 75,397 km (0.098 R)
• M2: 273,315 km (0.094 R)
• M3: 624,571 km (0.084 R)
• M4: 976,575 km (0.114 R)
• M5: 1,173,296 km (0.095 R)
• M6: 1,482,365 km (0.106 R)
• M7: 2,074,474 km (0.062 R)
• M8: 2,465,523 km (0.105 R)
• M9: 2,722,980 km (0.067 R)
• M10: 3,524,975 km (0.102 R)
• M11: 3,852,444 km (0.098 R)
• M12: 4,260,099 km (0.096 R)
• M13: 4,793,116 km (0.087 R)
• M14: 5,766,549 km (0.088 R)
• M15: 6,659,648 km (0.119 R)
• M16: 6,990,858 km (0.104 R)
• M17: 7,420,354 km (0.116 R)
• M18: 8,332,003 km (0.111 R)
• M19: 10,049,237 km (0.093 R)
• M20: 10,265,705 km (0.117 R)
• M21: 14,854,021 km (0.057 R)
• M22: 16,072,945 km (0.051 R)
• M23: 17,125,815 km (0.092 R)
• M24: 24,523,130 km (0.086 R)
• M25: 24,915,974 km (0.113 R)
• M26: 30,410,405 km (0.109 R)
• M27: 33,558,243 km (0.08 R)
• M28: 34,042,342 km (0.042 R)
• M29: 34,900,585 km (0.12 R)
• M30: 36,278,531 km (0.077 R)
• M31: 44,147,528 km (0.064 R)
• M32: 45,021,330 km (0.05 R)
• M33: 46,953,685 km (0.051 R)
• M34: 49,251,209 km (0.074 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 648.8

Radius: 6.1

Gravity: 17.44 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.93 AU - 8.63 AU

Year: 12683 Days

Day: 20.1 Hours

Environment

Temp: -229 °C

Axial Tilt: 78.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 65,770,245 km

• M1: 75,846 km (0.114 R)
• M2: 284,984 km (0.091 R)
• M3: 608,115 km (0.077 R)
• M4: 1,364,333 km (0.091 R)
• M5: 3,393,628 km (0.119 R)
• M6: 7,254,001 km (0.067 R)
• M7: 8,275,754 km (0.094 R)
• M8: 9,696,784 km (0.115 R)
• M9: 13,848,125 km (0.106 R)
• M10: 14,446,816 km (0.044 R)
• M11: 15,412,321 km (0.106 R)
• M12: 16,127,698 km (0.039 R)
• M13: 20,805,623 km (0.051 R)
• M14: 21,065,175 km (0.035 R)
• M15: 24,158,859 km (0.119 R)
• M16: 25,123,317 km (0.075 R)
• M17: 45,097,176 km (0.069 R)
• M18: 46,557,251 km (0.058 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 558

Radius: 5.5

Gravity: 18.45 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.56 AU - 9.74 AU

Year: 15023 Days

Day: 17.9 Hours

Environment

Temp: -227 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,770,245 km

• M1: 71,807 km (0.051 R)
• M2: 464,352 km (0.095 R)
• M3: 718,818 km (0.1 R)
• M4: 1,328,579 km (0.112 R)
• M5: 1,884,185 km (0.1 R)
• M6: 2,119,203 km (0.111 R)
• M7: 2,873,775 km (0.028 R)
• M8: 3,415,469 km (0.066 R)
• M9: 3,793,952 km (0.113 R)
• M10: 4,022,537 km (0.097 R)
• M11: 5,889,668 km (0.099 R)
• M12: 7,182,044 km (0.072 R)
• M13: 8,899,428 km (0.045 R)
• M14: 9,201,615 km (0.076 R)
• M15: 11,276,837 km (0.11 R)
• M16: 12,992,126 km (0.109 R)
• M17: 16,175,419 km (0.077 R)
• M18: 17,084,077 km (0.107 R)
• M19: 20,445,541 km (0.062 R)
• M20: 23,643,046 km (0.108 R)
• M21: 24,811,854 km (0.069 R)
• M22: 32,643,901 km (0.119 R)
• M23: 34,091,560 km (0.119 R)
• M24: 34,707,155 km (0.071 R)
• M25: 34,955,487 km (0.095 R)
• M26: 36,087,494 km (0.049 R)
• M27: 36,855,679 km (0.096 R)
• M28: 45,294,047 km (0.055 R)
• M29: 45,888,399 km (0.068 R)
• M30: 46,941,119 km (0.101 R)
• M31: 49,094,730 km (0.096 R)
• M32: 55,270,429 km (0.096 R)
• M33: 56,805,303 km (0.115 R)
• M34: 58,193,273 km (0.096 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.22 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 726.7

Radius: 6.3

Gravity: 18.31 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 6.86 AU - 9.58 AU

Year: 15217 Days

Day: 15.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 65,770,245 km

• M1: 78,389 km (0.064 R)
• M2: 279,449 km (0.102 R)
• M3: 493,972 km (0.106 R)
• M4: 993,779 km (0.063 R)
• M5: 1,364,033 km (0.084 R)
• M6: 1,670,111 km (0.075 R)
• M7: 1,911,113 km (0.09 R)
• M8: 2,378,756 km (0.112 R)
• M9: 2,754,097 km (0.087 R)
• M10: 4,150,892 km (0.041 R)
• M11: 5,107,421 km (0.087 R)
• M12: 8,496,860 km (0.1 R)
• M13: 11,544,617 km (0.07 R)
• M14: 12,167,543 km (0.105 R)
• M15: 12,747,235 km (0.095 R)
• M16: 13,277,858 km (0.069 R)
• M17: 13,822,993 km (0.11 R)
• M18: 15,030,846 km (0.082 R)
• M19: 16,853,696 km (0.096 R)
• M20: 20,840,928 km (0.115 R)
• M21: 25,414,733 km (0.068 R)
• M22: 25,832,261 km (0.074 R)
• M23: 26,681,229 km (0.07 R)
• M24: 29,111,746 km (0.11 R)
• M25: 30,147,113 km (0.083 R)
• M26: 38,639,185 km (0.115 R)
• M27: 41,597,034 km (0.093 R)
• M28: 42,469,040 km (0.057 R)
• M29: 51,536,018 km (0.086 R)
• M30: 57,946,735 km (0.104 R)
• M31: 58,670,191 km (0.095 R)
• M32: 61,623,851 km (0.106 R)
• M33: 64,288,339 km (0.051 R)

Asteroid Belt

Center: 9.59 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 323.3

Radius: 4

Gravity: 20.21 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 9.27 AU - 12.63 AU

Year: 23396 Days

Day: 17.2 Hours

Environment

Temp: -232 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,770,245 km

• M1: 130,300 km (0.091 R)
• M2: 401,969 km (0.049 R)
• M3: 1,064,389 km (0.104 R)
• M4: 2,045,751 km (0.101 R)
• M5: 3,090,542 km (0.066 R)
• M6: 3,543,226 km (0.112 R)
• M7: 4,513,368 km (0.088 R)
• M8: 6,281,315 km (0.107 R)
• M9: 6,572,732 km (0.036 R)
• M10: 6,786,358 km (0.099 R)
• M11: 8,767,632 km (0.092 R)
• M12: 11,224,328 km (0.083 R)
• M13: 12,284,828 km (0.096 R)
• M14: 12,740,353 km (0.096 R)
• M15: 13,754,327 km (0.117 R)
• M16: 14,387,874 km (0.078 R)
• M17: 19,904,745 km (0.12 R)
• M18: 24,072,242 km (0.119 R)
• M19: 26,681,229 km (0.057 R)
• M20: 27,886,689 km (0.104 R)
• M21: 29,127,902 km (0.046 R)
• M22: 36,021,372 km (0.081 R)
• M23: 36,153,467 km (0.107 R)
• M24: 45,604,163 km (0.093 R)
• M25: 49,574,790 km (0.106 R)
• M26: 52,064,397 km (0.103 R)
• M27: 57,832,442 km (0.064 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 195 - 16,704 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit