🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.29

Radius: 1.61

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 0.56 AU - 0.6 AU

Year: 285 Days

Day: 29.7 Hours

Environment

Temp: -117 °C

Axial Tilt: 26.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 70,333,367 km

• M1: 171,738 km (0.099 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.82

Radius: 1.51

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.55 AU - 0.61 AU

Year: 285 Days

Day: 43.8 Hours

Environment

Temp: -133 °C

Axial Tilt: 36.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.96

Radius: 1.73

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.48 AU - 0.74 AU

Year: 308 Days

Day: 29.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 20.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 790.1

Radius: 14.6

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.7 AU - 0.92 AU

Year: 471 Days

Day: 9.6 Hours

Environment

Temp: -154 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,333,367 km

• M1: 194,477 km (0.046 R)
• M2: 287,228 km (0.116 R)
• M3: 600,935 km (0.109 R)
• M4: 738,714 km (0.05 R)
• M5: 997,219 km (0.105 R)
• M6: 1,186,910 km (0.059 R)
• M7: 1,383,930 km (0.07 R)
• M8: 1,489,696 km (0.092 R)
• M9: 1,598,154 km (0.095 R)
• M10: 1,811,630 km (0.113 R)
• M11: 1,928,317 km (0.073 R)
• M12: 2,041,263 km (0.106 R)
• M13: 2,163,036 km (0.081 R)
• M14: 2,260,873 km (0.088 R)
• M15: 2,360,355 km (0.093 R)
• M16: 2,481,829 km (0.074 R)
• M17: 2,626,191 km (0.114 R)
• M18: 2,745,121 km (0.068 R)
• M19: 2,909,230 km (0.073 R)
• M20: 3,032,498 km (0.043 R)
• M21: 3,157,712 km (0.101 R)
• M22: 3,277,091 km (0.065 R)
• M23: 3,474,560 km (0.067 R)
• M24: 3,636,874 km (0.083 R)
• M25: 3,730,821 km (0.103 R)
• M26: 3,969,430 km (0.059 R)
• M27: 4,123,067 km (0.09 R)
• M28: 4,221,203 km (0.119 R)
• M29: 4,428,247 km (0.089 R)
• M30: 4,706,648 km (0.113 R)
• M31: 4,930,147 km (0.05 R)
• M32: 5,210,195 km (0.09 R)
• M33: 5,378,941 km (0.081 R)
• M34: 5,504,454 km (0.076 R)
• M35: 5,749,196 km (0.073 R)
• M36: 5,942,177 km (0.099 R)
• M37: 6,053,478 km (0.063 R)
• M38: 6,363,145 km (0.1 R)
• M39: 6,515,137 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 488.4

Radius: 14.9

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.72 AU - 1.1 AU

Year: 561 Days

Day: 11.2 Hours

Environment

Temp: -144 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 70,333,367 km

• M1: 185,501 km (0.08 R)
• M2: 288,425 km (0.087 R)
• M3: 435,180 km (0.105 R)
• M4: 661,821 km (0.086 R)
• M5: 800,498 km (0.1 R)
• M6: 900,878 km (0.07 R)
• M7: 1,053,468 km (0.091 R)
• M8: 1,150,557 km (0.088 R)
• M9: 1,256,173 km (0.065 R)
• M10: 1,381,237 km (0.088 R)
• M11: 1,599,800 km (0.087 R)
• M12: 1,895,405 km (0.05 R)
• M13: 2,004,163 km (0.114 R)
• M14: 2,115,164 km (0.063 R)
• M15: 2,215,694 km (0.082 R)
• M16: 2,421,541 km (0.088 R)
• M17: 2,593,728 km (0.1 R)
• M18: 2,701,738 km (0.06 R)
• M19: 2,839,068 km (0.115 R)
• M20: 3,049,403 km (0.065 R)
• M21: 3,178,207 km (0.05 R)
• M22: 3,279,634 km (0.093 R)
• M23: 3,382,109 km (0.092 R)
• M24: 3,508,220 km (0.095 R)
• M25: 3,635,827 km (0.09 R)
• M26: 3,788,117 km (0.055 R)
• M27: 4,170,190 km (0.076 R)
• M28: 4,345,818 km (0.097 R)
• M29: 4,458,914 km (0.065 R)
• M30: 4,646,959 km (0.075 R)
• M31: 4,854,301 km (0.102 R)
• M32: 5,013,922 km (0.104 R)
• M33: 5,261,058 km (0.101 R)
• M34: 5,460,023 km (0.079 R)
• M35: 5,617,550 km (0.077 R)
• M36: 5,749,794 km (0.111 R)
• M37: 5,856,607 km (0.068 R)
• M38: 5,972,845 km (0.113 R)
• M39: 6,098,956 km (0.102 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 410.7

Radius: 12.2

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 1.35 AU - 1.89 AU

Year: 1331 Days

Day: 10 Hours

Environment

Temp: -171 °C

Axial Tilt: 26.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (59)

Outer Limit: 70,333,367 km

• M1: 159,172 km (0.104 R)
• M2: 257,608 km (0.119 R)
• M3: 356,641 km (0.111 R)
• M4: 446,250 km (0.115 R)
• M5: 562,039 km (0.099 R)
• M6: 695,780 km (0.101 R)
• M7: 816,505 km (0.089 R)
• M8: 912,098 km (0.08 R)
• M9: 1,025,493 km (0.116 R)
• M10: 1,151,305 km (0.058 R)
• M11: 1,252,882 km (0.081 R)
• M12: 1,350,121 km (0.099 R)
• M13: 1,450,052 km (0.101 R)
• M14: 1,707,061 km (0.117 R)
• M15: 1,824,346 km (0.088 R)
• M16: 1,901,239 km (0.066 R)
• M17: 2,067,293 km (0.097 R)
• M18: 2,147,627 km (0.106 R)
• M19: 2,247,259 km (0.059 R)
• M20: 2,413,911 km (0.079 R)
• M21: 2,498,883 km (0.076 R)
• M22: 2,632,923 km (0.106 R)
• M23: 2,958,747 km (0.052 R)
• M24: 3,070,197 km (0.114 R)
• M25: 3,193,466 km (0.065 R)
• M26: 3,350,095 km (0.055 R)
• M27: 3,434,618 km (0.117 R)
• M28: 3,519,888 km (0.096 R)
• M29: 3,979,303 km (0.114 R)
• M30: 4,125,311 km (0.073 R)
• M31: 4,239,005 km (0.082 R)
• M32: 4,551,066 km (0.103 R)
• M33: 4,704,105 km (0.101 R)
• M34: 5,100,091 km (0.045 R)
• M35: 5,432,347 km (0.112 R)
• M36: 5,682,924 km (0.057 R)
• M37: 5,860,646 km (0.11 R)
• M38: 6,117,805 km (0.118 R)
• M39: 6,536,978 km (0.111 R)
• M40: 6,884,494 km (0.099 R)
• M41: 7,087,798 km (0.12 R)
• M42: 7,265,520 km (0.106 R)
• M43: 7,389,536 km (0.097 R)
• M44: 7,569,802 km (0.051 R)
• M45: 7,821,874 km (0.113 R)
• M46: 8,162,359 km (0.075 R)
• M47: 8,248,228 km (0.073 R)
• M48: 8,406,503 km (0.092 R)
• M49: 8,507,631 km (0.105 R)
• M50: 8,682,212 km (0.089 R)
• M51: 8,769,876 km (0.062 R)
• M52: 8,872,500 km (0.076 R)
• M53: 9,257,415 km (0.113 R)
• M54: 9,361,984 km (0.107 R)
• M55: 9,647,866 km (0.108 R)
• M56: 9,769,040 km (0.049 R)
• M57: 9,845,185 km (0.102 R)
• M58: 10,398,398 km (0.026 R)
• M59: 10,491,598 km (0.079 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.6

Radius: 13.3

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 1.58 AU - 2.62 AU

Year: 1965 Days

Day: 6 Hours

Environment

Temp: -201 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (58)

Outer Limit: 70,333,367 km

• M1: 172,636 km (0.034 R)
• M2: 324,328 km (0.076 R)
• M3: 627,264 km (0.037 R)
• M4: 756,217 km (0.105 R)
• M5: 852,708 km (0.028 R)
• M6: 1,121,984 km (0.118 R)
• M7: 1,218,175 km (0.108 R)
• M8: 1,428,061 km (0.103 R)
• M9: 1,568,982 km (0.097 R)
• M10: 1,789,340 km (0.112 R)
• M11: 1,951,803 km (0.116 R)
• M12: 2,069,687 km (0.063 R)
• M13: 2,353,922 km (0.073 R)
• M14: 2,629,631 km (0.104 R)
• M15: 2,771,450 km (0.107 R)
• M16: 2,882,302 km (0.114 R)
• M17: 3,062,867 km (0.079 R)
• M18: 3,247,321 km (0.108 R)
• M19: 3,388,093 km (0.084 R)
• M20: 3,554,894 km (0.094 R)
• M21: 3,984,240 km (0.066 R)
• M22: 4,084,770 km (0.036 R)
• M23: 4,211,629 km (0.107 R)
• M24: 4,443,206 km (0.093 R)
• M25: 4,586,970 km (0.119 R)
• M26: 4,732,229 km (0.036 R)
• M27: 4,973,232 km (0.104 R)
• M28: 5,068,077 km (0.082 R)
• M29: 5,273,325 km (0.03 R)
• M30: 5,593,614 km (0.067 R)
• M31: 5,848,678 km (0.115 R)
• M32: 5,948,909 km (0.113 R)
• M33: 6,180,187 km (0.102 R)
• M34: 6,297,023 km (0.101 R)
• M35: 6,385,136 km (0.106 R)
• M36: 6,547,600 km (0.111 R)
• M37: 6,711,559 km (0.107 R)
• M38: 6,816,726 km (0.091 R)
• M39: 7,319,375 km (0.098 R)
• M40: 7,443,092 km (0.09 R)
• M41: 7,881,564 km (0.085 R)
• M42: 8,280,242 km (0.074 R)
• M43: 8,538,747 km (0.073 R)
• M44: 8,734,571 km (0.107 R)
• M45: 8,948,346 km (0.081 R)
• M46: 9,180,373 km (0.103 R)
• M47: 9,330,718 km (0.102 R)
• M48: 9,532,376 km (0.105 R)
• M49: 9,718,626 km (0.108 R)
• M50: 9,940,180 km (0.03 R)
• M51: 10,527,501 km (0.093 R)
• M52: 11,002,175 km (0.076 R)
• M53: 11,108,539 km (0.111 R)
• M54: 11,393,972 km (0.12 R)
• M55: 11,483,731 km (0.114 R)
• M56: 11,573,639 km (0.066 R)
• M57: 12,264,931 km (0.107 R)
• M58: 12,375,334 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.46 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.3

Radius: 3.9

Gravity: 56.36 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.44 AU - 10.48 AU

Year: 15888 Days

Day: 19.4 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 70,333,367 km

• M1: 489,185 km (0.073 R)
• M2: 528,529 km (0.067 R)
• M3: 610,808 km (0.034 R)
• M4: 857,944 km (0.091 R)
• M5: 906,114 km (0.052 R)
• M6: 955,033 km (0.107 R)
• M7: 1,378,245 km (0.107 R)
• M8: 1,946,119 km (0.08 R)
• M9: 2,718,343 km (0.071 R)
• M10: 3,889,096 km (0.083 R)
• M11: 4,546,728 km (0.064 R)
• M12: 4,802,092 km (0.04 R)
• M13: 5,018,560 km (0.116 R)
• M14: 5,961,625 km (0.08 R)
• M15: 6,240,924 km (0.063 R)
• M16: 6,476,989 km (0.116 R)
• M17: 6,620,005 km (0.111 R)
• M18: 7,350,641 km (0.099 R)
• M19: 7,499,790 km (0.046 R)
• M20: 8,312,256 km (0.099 R)
• M21: 8,364,017 km (0.051 R)
• M22: 9,259,211 km (0.109 R)
• M23: 10,517,927 km (0.105 R)
• M24: 11,655,320 km (0.104 R)
• M25: 11,887,346 km (0.087 R)
• M26: 12,004,032 km (0.08 R)
• M27: 12,062,525 km (0.053 R)
• M28: 12,592,999 km (0.069 R)
• M29: 14,353,168 km (0.103 R)
• M30: 14,852,077 km (0.115 R)
• M31: 14,914,908 km (0.074 R)
• M32: 15,995,453 km (0.04 R)
• M33: 16,512,613 km (0.074 R)
• M34: 19,522,073 km (0.039 R)
• M35: 19,659,703 km (0.12 R)
• M36: 20,143,952 km (0.071 R)
• M37: 20,282,928 km (0.089 R)
• M38: 21,336,097 km (0.067 R)
• M39: 24,008,813 km (0.087 R)
• M40: 24,156,167 km (0.1 R)
• M41: 24,303,969 km (0.089 R)
• M42: 26,176,037 km (0.1 R)
• M43: 26,632,161 km (0.066 R)
• M44: 28,482,836 km (0.093 R)
• M45: 28,717,106 km (0.099 R)
• M46: 28,873,586 km (0.085 R)
• M47: 29,977,169 km (0.074 R)
• M48: 31,174,700 km (0.094 R)
• M49: 31,577,418 km (0.088 R)
• M50: 32,469,320 km (0.105 R)
• M51: 32,550,701 km (0.106 R)
• M52: 32,795,593 km (0.072 R)
• M53: 36,118,760 km (0.108 R)
• M54: 36,287,656 km (0.078 R)
• M55: 37,306,867 km (0.069 R)
• M56: 38,335,502 km (0.082 R)
• M57: 38,766,792 km (0.055 R)
• M58: 40,070,388 km (0.07 R)
• M59: 40,245,268 km (0.068 R)
• M60: 41,741,995 km (0.038 R)
• M61: 42,008,129 km (0.032 R)
• M62: 44,156,504 km (0.06 R)
• M63: 46,157,077 km (0.08 R)
• M64: 46,799,899 km (0.052 R)
• M65: 48,839,067 km (0.074 R)
• M66: 49,119,414 km (0.075 R)
• M67: 49,963,594 km (0.098 R)
• M68: 50,246,035 km (0.111 R)
• M69: 50,528,925 km (0.059 R)
• M70: 51,571,024 km (0.103 R)
• M71: 51,856,456 km (0.062 R)
• M72: 52,047,044 km (0.096 R)
• M73: 53,965,786 km (0.072 R)
• M74: 54,158,917 km (0.101 R)
• M75: 54,448,987 km (0.047 R)
• M76: 54,933,685 km (0.06 R)
• M77: 56,298,466 km (0.119 R)
• M78: 56,788,698 km (0.066 R)
• M79: 57,773,202 km (0.107 R)
• M80: 58,168,439 km (0.065 R)
• M81: 59,858,895 km (0.106 R)
• M82: 60,158,839 km (0.118 R)
• M83: 60,559,612 km (0.053 R)
• M84: 60,760,222 km (0.103 R)
• M85: 61,666,187 km (0.03 R)
• M86: 61,969,123 km (0.094 R)
• M87: 65,746,020 km (0.09 R)
• M88: 65,952,316 km (0.076 R)
• M89: 67,506,189 km (0.097 R)
• M90: 68,548,736 km (0.098 R)
• M91: 69,701,687 km (0.12 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 458 - 20,051 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit