🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.5

Radius: 9.2

Gravity: 10 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.71 AU - 0.85 AU

Year: 445 Days

Day: 6.8 Hours

Environment

Temp: -140 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 86,762,616 km

• M1: 114,442 km (0.025 R)
• M2: 484,847 km (0.077 R)
• M3: 851,511 km (0.096 R)
• M4: 1,204,562 km (0.065 R)
• M5: 1,539,960 km (0.089 R)
• M6: 1,856,360 km (0.042 R)
• M7: 2,162,138 km (0.108 R)
• M8: 2,491,702 km (0.097 R)
• M9: 3,147,689 km (0.11 R)
• M10: 3,847,059 km (0.108 R)
• M11: 4,191,134 km (0.052 R)
• M12: 4,722,954 km (0.105 R)
• M13: 5,134,498 km (0.07 R)
• M14: 5,708,655 km (0.061 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.6

Radius: 12.6

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.73 AU - 4.27 AU

Year: 4228 Days

Day: 6.2 Hours

Environment

Temp: -203 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 86,762,616 km

• M1: 156,779 km (0.112 R)
• M2: 556,354 km (0.043 R)
• M3: 1,363,285 km (0.069 R)
• M4: 2,525,362 km (0.046 R)
• M5: 3,126,446 km (0.119 R)
• M6: 3,885,655 km (0.081 R)
• M7: 4,690,342 km (0.103 R)
• M8: 5,384,775 km (0.107 R)
• M9: 6,087,736 km (0.061 R)
• M10: 9,291,973 km (0.112 R)
• M11: 10,220,975 km (0.111 R)
• M12: 11,034,339 km (0.117 R)
• M13: 12,501,146 km (0.08 R)
• M14: 13,836,905 km (0.032 R)
• M15: 15,265,565 km (0.055 R)
• M16: 16,907,252 km (0.102 R)
• M17: 17,320,591 km (0.115 R)
• M18: 18,167,614 km (0.079 R)
• M19: 20,009,762 km (0.119 R)
• M20: 21,077,891 km (0.102 R)
• M21: 21,626,018 km (0.059 R)
• M22: 24,661,209 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.1

Radius: 9.4

Gravity: 7.09 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 2.87 AU - 4.51 AU

Year: 4577 Days

Day: 12.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 86,762,616 km

• M1: 116,986 km (0.1 R)
• M2: 413,788 km (0.076 R)
• M3: 1,160,431 km (0.039 R)
• M4: 1,838,109 km (0.09 R)
• M5: 2,258,629 km (0.079 R)
• M6: 2,794,488 km (0.107 R)
• M7: 3,555,493 km (0.108 R)
• M8: 4,258,902 km (0.109 R)
• M9: 5,131,357 km (0.106 R)
• M10: 6,178,542 km (0.054 R)
• M11: 6,833,032 km (0.087 R)
• M12: 7,260,882 km (0.111 R)
• M13: 9,232,732 km (0.115 R)
• M14: 10,643,589 km (0.041 R)
• M15: 11,309,599 km (0.03 R)
• M16: 11,862,214 km (0.105 R)
• M17: 14,254,583 km (0.099 R)
• M18: 16,074,890 km (0.115 R)
• M19: 21,607,916 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.9

Radius: 12.4

Gravity: 5.53 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 4.62 AU - 5.46 AU

Year: 7306 Days

Day: 9.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 172.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 86,762,616 km

• M1: 154,235 km (0.041 R)
• M2: 573,708 km (0.088 R)
• M3: 1,048,531 km (0.038 R)
• M4: 1,544,000 km (0.061 R)
• M5: 2,585,650 km (0.064 R)
• M6: 3,194,363 km (0.112 R)
• M7: 4,075,196 km (0.12 R)
• M8: 4,475,968 km (0.087 R)
• M9: 5,326,283 km (0.047 R)
• M10: 6,040,912 km (0.032 R)
• M11: 6,672,364 km (0.101 R)
• M12: 7,661,954 km (0.089 R)
• M13: 10,762,071 km (0.059 R)
• M14: 12,285,276 km (0.101 R)
• M15: 13,475,028 km (0.051 R)
• M16: 14,677,945 km (0.06 R)
• M17: 15,242,078 km (0.106 R)
• M18: 15,951,322 km (0.106 R)
• M19: 17,505,195 km (0.07 R)
• M20: 18,354,761 km (0.081 R)
• M21: 22,193,891 km (0.052 R)
• M22: 23,442,734 km (0.049 R)
• M23: 28,424,343 km (0.105 R)
• M24: 31,418,694 km (0.112 R)
• M25: 31,937,500 km (0.082 R)
• M26: 34,397,786 km (0.108 R)
• M27: 35,505,858 km (0.09 R)
• M28: 36,295,735 km (0.101 R)
• M29: 36,752,158 km (0.095 R)
• M30: 37,793,359 km (0.076 R)
• M31: 40,055,877 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.9

Radius: 7.7

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 6.07 AU - 7.99 AU

Year: 12035 Days

Day: 24.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 86,762,616 km

• M1: 95,892 km (0.1 R)
• M2: 435,629 km (0.118 R)
• M3: 1,141,432 km (0.064 R)
• M4: 1,689,259 km (0.045 R)
• M5: 2,285,706 km (0.045 R)
• M6: 3,496,850 km (0.118 R)
• M7: 3,756,403 km (0.11 R)
• M8: 4,552,562 km (0.085 R)
• M9: 5,525,397 km (0.098 R)
• M10: 9,468,049 km (0.088 R)
• M11: 12,480,202 km (0.079 R)
• M12: 13,275,764 km (0.113 R)
• M13: 13,910,208 km (0.109 R)
• M14: 18,772,887 km (0.067 R)
• M15: 19,734,652 km (0.08 R)
• M16: 27,711,510 km (0.072 R)
• M17: 31,115,609 km (0.117 R)
• M18: 41,758,750 km (0.108 R)
• M19: 46,070,160 km (0.104 R)
• M20: 49,756,252 km (0.031 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787

Radius: 4.8

Gravity: 34.16 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 7.79 AU - 10.55 AU

Year: 17930 Days

Day: 24.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 86,762,616 km

• M1: 60,587 km (0.105 R)
• M2: 299,645 km (0.104 R)
• M3: 491,429 km (0.119 R)
• M4: 1,135,149 km (0.082 R)
• M5: 1,533,079 km (0.077 R)
• M6: 1,979,629 km (0.059 R)
• M7: 2,329,837 km (0.113 R)
• M8: 3,261,084 km (0.103 R)
• M9: 3,809,659 km (0.044 R)
• M10: 4,622,275 km (0.097 R)
• M11: 6,153,559 km (0.091 R)
• M12: 6,761,076 km (0.1 R)
• M13: 15,497,591 km (0.055 R)
• M14: 16,863,719 km (0.027 R)
• M15: 19,376,066 km (0.097 R)
• M16: 20,017,990 km (0.058 R)
• M17: 23,235,392 km (0.077 R)
• M18: 31,292,284 km (0.03 R)
• M19: 31,542,861 km (0.118 R)
• M20: 41,933,330 km (0.029 R)
• M21: 42,237,912 km (0.05 R)
• M22: 44,096,216 km (0.063 R)
• M23: 49,655,872 km (0.063 R)
• M24: 54,752,372 km (0.114 R)
• M25: 55,481,662 km (0.111 R)
• M26: 56,217,384 km (0.1 R)
• M27: 56,402,287 km (0.098 R)
• M28: 63,133,593 km (0.069 R)
• M29: 63,533,617 km (0.04 R)
• M30: 63,734,228 km (0.091 R)
• M31: 66,175,216 km (0.088 R)
• M32: 69,525,760 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 336.9

Radius: 8

Gravity: 5.26 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 8.27 AU - 11.49 AU

Year: 20052 Days

Day: 23.8 Hours

Environment

Temp: -238 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 86,762,616 km

• M1: 115,190 km (0.086 R)
• M2: 713,283 km (0.118 R)
• M3: 972,087 km (0.071 R)
• M4: 2,049,341 km (0.059 R)
• M5: 2,481,230 km (0.113 R)
• M6: 3,447,633 km (0.116 R)
• M7: 3,745,332 km (0.094 R)
• M8: 5,216,029 km (0.082 R)
• M9: 8,161,162 km (0.114 R)
• M10: 9,930,157 km (0.067 R)
• M11: 10,761,173 km (0.092 R)
• M12: 14,207,759 km (0.078 R)
• M13: 16,067,559 km (0.114 R)
• M14: 19,917,161 km (0.105 R)
• M15: 21,688,251 km (0.099 R)
• M16: 23,658,155 km (0.107 R)
• M17: 28,493,757 km (0.079 R)
• M18: 29,377,581 km (0.112 R)
• M19: 30,393,500 km (0.085 R)
• M20: 31,549,742 km (0.088 R)
• M21: 35,193,797 km (0.091 R)
• M22: 36,726,876 km (0.097 R)
• M23: 40,476,247 km (0.031 R)
• M24: 53,740,492 km (0.045 R)
• M25: 56,805,004 km (0.099 R)
• M26: 58,911,492 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 861.3

Radius: 3.3

Gravity: 79.09 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 8.74 AU - 12.1 AU

Year: 21718 Days

Day: 16 Hours

Environment

Temp: -231 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 86,762,616 km

• M1: 45,478 km (0.086 R)
• M2: 179,966 km (0.112 R)
• M3: 467,045 km (0.071 R)
• M4: 608,115 km (0.102 R)
• M5: 1,015,770 km (0.09 R)
• M6: 1,316,312 km (0.05 R)
• M7: 2,048,593 km (0.118 R)
• M8: 2,177,995 km (0.116 R)
• M9: 3,360,118 km (0.052 R)
• M10: 4,398,177 km (0.099 R)
• M11: 4,762,149 km (0.093 R)
• M12: 5,145,868 km (0.065 R)
• M13: 6,018,023 km (0.078 R)
• M14: 10,306,396 km (0.067 R)
• M15: 11,143,545 km (0.073 R)
• M16: 12,661,814 km (0.07 R)
• M17: 13,395,293 km (0.115 R)
• M18: 14,312,477 km (0.112 R)
• M19: 21,417,179 km (0.109 R)
• M20: 23,419,995 km (0.057 R)
• M21: 25,544,136 km (0.029 R)
• M22: 25,890,754 km (0.056 R)
• M23: 28,282,824 km (0.06 R)
• M24: 29,028,120 km (0.091 R)
• M25: 29,153,633 km (0.078 R)
• M26: 36,189,370 km (0.052 R)
• M27: 36,334,780 km (0.047 R)
• M28: 37,809,964 km (0.086 R)
• M29: 40,252,449 km (0.112 R)
• M30: 44,609,187 km (0.098 R)
• M31: 54,244,338 km (0.103 R)
• M32: 73,226,063 km (0.1 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 419 - 12,368 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit