🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.01 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 291.5

Radius: 10.8

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1.84 AU - 2.2 AU

Year: 1947 Days

Day: 7.5 Hours

Environment

Temp: -205 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 41,280,545 km

• M1: 134,339 km (0.104 R)
• M2: 541,694 km (0.117 R)
• M3: 990,488 km (0.057 R)
• M4: 1,560,904 km (0.051 R)
• M5: 3,546,666 km (0.057 R)
• M6: 5,371,611 km (0.046 R)
• M7: 6,523,514 km (0.116 R)
• M8: 10,798,124 km (0.044 R)
• M9: 11,477,149 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 76.9

Radius: 12.8

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 2.1 AU - 2.14 AU

Year: 2094 Days

Day: 6.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 41,280,545 km

• M1: 159,172 km (0.088 R)
• M2: 1,054,366 km (0.111 R)
• M3: 1,784,254 km (0.073 R)
• M4: 3,167,735 km (0.107 R)
• M5: 3,613,088 km (0.113 R)
• M6: 4,160,466 km (0.117 R)
• M7: 5,477,676 km (0.112 R)
• M8: 6,926,531 km (0.063 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.7

Radius: 11.2

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.98 AU - 2.92 AU

Year: 2601 Days

Day: 5 Hours

Environment

Temp: -209 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 41,280,545 km

• M1: 142,268 km (0.094 R)
• M2: 616,942 km (0.12 R)
• M3: 1,037,162 km (0.105 R)
• M4: 2,292,139 km (0.061 R)
• M5: 2,712,808 km (0.1 R)
• M6: 3,474,411 km (0.071 R)
• M7: 5,718,379 km (0.119 R)
• M8: 6,198,438 km (0.115 R)
• M9: 10,489,204 km (0.109 R)
• M10: 14,211,499 km (0.105 R)
• M11: 14,914,908 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.5

Radius: 9.9

Gravity: 5.15 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 2.6 AU - 3.16 AU

Year: 3315 Days

Day: 11.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 41,280,545 km

• M1: 126,410 km (0.116 R)
• M2: 590,313 km (0.105 R)
• M3: 1,029,682 km (0.102 R)
• M4: 1,660,985 km (0.103 R)
• M5: 2,051,735 km (0.069 R)
• M6: 3,940,109 km (0.068 R)
• M7: 5,154,993 km (0.108 R)
• M8: 5,705,364 km (0.047 R)
• M9: 6,021,613 km (0.102 R)
• M10: 6,405,631 km (0.093 R)
• M11: 8,783,489 km (0.084 R)
• M12: 9,314,263 km (0.101 R)
• M13: 9,679,880 km (0.114 R)
• M14: 10,955,202 km (0.11 R)
• M15: 14,998,533 km (0.119 R)
• M16: 16,541,485 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 995.3

Radius: 9.6

Gravity: 10.8 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.24 AU - 5.96 AU

Year: 7812 Days

Day: 8.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,280,545 km

• M1: 119,678 km (0.114 R)
• M2: 498,011 km (0.087 R)
• M3: 811,568 km (0.102 R)
• M4: 1,149,360 km (0.119 R)
• M5: 1,554,920 km (0.09 R)
• M6: 3,497,897 km (0.096 R)
• M7: 3,952,376 km (0.048 R)
• M8: 4,767,235 km (0.049 R)
• M9: 5,198,825 km (0.106 R)
• M10: 5,964,467 km (0.071 R)
• M11: 8,185,397 km (0.11 R)
• M12: 8,625,215 km (0.039 R)
• M13: 11,713,663 km (0.109 R)
• M14: 12,674,680 km (0.065 R)
• M15: 13,565,535 km (0.06 R)
• M16: 16,488,677 km (0.06 R)
• M17: 23,023,411 km (0.058 R)
• M18: 26,954,993 km (0.088 R)
• M19: 28,226,425 km (0.069 R)
• M20: 31,206,116 km (0.081 R)
• M21: 32,171,920 km (0.109 R)
• M22: 34,163,067 km (0.11 R)
• M23: 34,730,492 km (0.071 R)
• M24: 35,535,329 km (0.089 R)
• M25: 35,884,191 km (0.064 R)
• M26: 41,137,021 km (0.07 R)
• M27: 44,012,890 km (0.104 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.3

Radius: 11.4

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.138

Orbit Range: 4.69 AU - 6.19 AU

Year: 8606 Days

Day: 12.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 41,280,545 km

• M1: 141,819 km (0.102 R)
• M2: 908,657 km (0.096 R)
• M3: 1,334,862 km (0.092 R)
• M4: 1,959,433 km (0.092 R)
• M5: 3,691,926 km (0.11 R)
• M6: 4,775,613 km (0.059 R)
• M7: 5,608,424 km (0.062 R)
• M8: 5,988,852 km (0.057 R)
• M9: 6,423,583 km (0.08 R)
• M10: 7,235,301 km (0.047 R)
• M11: 7,687,087 km (0.039 R)
• M12: 8,969,290 km (0.097 R)
• M13: 9,933,149 km (0.08 R)
• M14: 10,492,047 km (0.072 R)
• M15: 12,821,286 km (0.075 R)
• M16: 13,240,608 km (0.053 R)
• M17: 18,176,590 km (0.098 R)
• M18: 19,090,783 km (0.117 R)
• M19: 20,519,293 km (0.097 R)
• M20: 25,045,676 km (0.086 R)
• M21: 26,658,939 km (0.108 R)
• M22: 28,746,278 km (0.111 R)
• M23: 33,019,691 km (0.11 R)
• M24: 36,609,741 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.4

Radius: 6.1

Gravity: 18.31 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 5.49 AU - 7.59 AU

Year: 11344 Days

Day: 23.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 41,280,545 km

• M1: 76,594 km (0.106 R)
• M2: 331,210 km (0.12 R)
• M3: 543,489 km (0.108 R)
• M4: 794,215 km (0.079 R)
• M5: 1,893,011 km (0.104 R)
• M6: 2,136,557 km (0.094 R)
• M7: 2,400,896 km (0.095 R)
• M8: 2,995,548 km (0.114 R)
• M9: 3,303,121 km (0.111 R)
• M10: 3,605,458 km (0.059 R)
• M11: 3,817,139 km (0.109 R)
• M12: 4,324,126 km (0.108 R)
• M13: 4,874,946 km (0.07 R)
• M14: 9,349,867 km (0.112 R)
• M15: 15,917,064 km (0.046 R)
• M16: 20,375,828 km (0.038 R)
• M17: 21,478,215 km (0.032 R)
• M18: 22,979,131 km (0.097 R)
• M19: 24,454,315 km (0.064 R)
• M20: 27,694,156 km (0.089 R)
• M21: 31,766,360 km (0.064 R)
• M22: 33,827,519 km (0.11 R)
• M23: 35,854,570 km (0.057 R)
• M24: 37,458,260 km (0.117 R)
• M25: 37,709,135 km (0.09 R)
• M26: 45,339,823 km (0.066 R)
• M27: 47,653,205 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 807.4

Radius: 5.6

Gravity: 25.75 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 6.41 AU - 6.89 AU

Year: 11631 Days

Day: 24.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 41,280,545 km

• M1: 69,713 km (0.093 R)
• M2: 625,469 km (0.102 R)
• M3: 1,271,283 km (0.085 R)
• M4: 2,191,160 km (0.091 R)
• M5: 2,550,793 km (0.053 R)
• M6: 3,114,478 km (0.105 R)
• M7: 3,412,926 km (0.067 R)
• M8: 4,272,814 km (0.12 R)
• M9: 4,454,725 km (0.073 R)
• M10: 4,705,152 km (0.119 R)
• M11: 5,549,183 km (0.101 R)
• M12: 6,771,248 km (0.096 R)
• M13: 8,162,808 km (0.116 R)
• M14: 8,682,212 km (0.117 R)
• M15: 9,173,341 km (0.114 R)
• M16: 10,318,812 km (0.049 R)
• M17: 11,614,928 km (0.034 R)
• M18: 14,188,311 km (0.107 R)
• M19: 14,731,202 km (0.106 R)
• M20: 15,288,005 km (0.118 R)
• M21: 18,046,440 km (0.04 R)
• M22: 19,253,545 km (0.096 R)
• M23: 24,331,794 km (0.116 R)
• M24: 29,792,865 km (0.099 R)
• M25: 36,393,721 km (0.101 R)
• M26: 37,924,855 km (0.066 R)
• M27: 40,032,241 km (0.111 R)
• M28: 43,337,905 km (0.088 R)
• M29: 43,905,928 km (0.113 R)
• M30: 45,933,278 km (0.105 R)
• M31: 48,783,417 km (0.075 R)
• M32: 51,273,025 km (0.067 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 277.3

Radius: 5.1

Gravity: 10.66 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 6.25 AU - 7.75 AU

Year: 12561 Days

Day: 24 Hours

Environment

Temp: -228 °C

Axial Tilt: 29.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 41,280,545 km

• M1: 68,217 km (0.107 R)
• M2: 434,283 km (0.1 R)
• M3: 997,668 km (0.063 R)
• M4: 1,165,218 km (0.105 R)
• M5: 1,339,499 km (0.087 R)
• M6: 1,599,201 km (0.093 R)
• M7: 2,134,313 km (0.047 R)
• M8: 2,761,128 km (0.114 R)
• M9: 3,227,424 km (0.094 R)
• M10: 3,869,648 km (0.107 R)
• M11: 4,824,083 km (0.098 R)
• M12: 5,530,932 km (0.108 R)
• M13: 6,199,635 km (0.109 R)
• M14: 6,481,777 km (0.118 R)
• M15: 7,537,040 km (0.093 R)
• M16: 8,230,875 km (0.032 R)
• M17: 9,145,516 km (0.038 R)
• M18: 9,934,196 km (0.037 R)
• M19: 10,767,307 km (0.068 R)
• M20: 10,969,862 km (0.093 R)
• M21: 11,226,722 km (0.112 R)
• M22: 11,967,082 km (0.119 R)
• M23: 12,909,399 km (0.051 R)
• M24: 15,003,320 km (0.108 R)
• M25: 15,192,711 km (0.117 R)
• M26: 15,705,532 km (0.096 R)
• M27: 16,901,418 km (0.027 R)
• M28: 20,001,684 km (0.109 R)
• M29: 21,166,603 km (0.088 R)
• M30: 22,293,972 km (0.09 R)
• M31: 23,716,199 km (0.077 R)
• M32: 24,232,162 km (0.082 R)
• M33: 24,667,941 km (0.098 R)
• M34: 34,079,592 km (0.113 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: 542 - 15,213 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit