🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.3 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.76

Radius: 1.7

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.5 AU - 0.68 AU

Year: 165 Days

Day: 23.7 Hours

Environment

Temp: 199 °C

Axial Tilt: 29.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.92 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.21

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.88 AU - 0.96 AU

Year: 321 Days

Day: 40.7 Hours

Environment

Temp: 157 °C

Axial Tilt: 17.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.97 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.87

Radius: 1.88

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.8 AU - 1.14 AU

Year: 347 Days

Day: 15.3 Hours

Environment

Temp: 29 °C

Axial Tilt: 49.7 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.12

Radius: 0.43

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1 AU - 1.04 AU

Year: 374 Days

Day: 34.7 Hours

Environment

Temp: 33 °C

Axial Tilt: 45.4 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 94,286,172 km

• M1: 77,193 km (0.074 R)
• M2: 167,699 km (0.066 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.05

Radius: 1.56

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.93 AU - 1.21 AU

Year: 402 Days

Day: 31.2 Hours

Environment

Temp: 23 °C

Axial Tilt: 12.9 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Planet 6 - Terrestrial

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.58

Radius: 0.8

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.92 AU - 2.98 AU

Year: 1394 Days

Day: 37.4 Hours

Environment

Temp: -77 °C

Axial Tilt: 23.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 94,286,172 km

• M1: 1,100,442 km (0.091 R)
• M2: 1,184,965 km (0.096 R)

Planet 7 - Terrestrial

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 2.22 AU - 3.2 AU

Year: 1621 Days

Day: 19.5 Hours

Environment

Temp: -91 °C

Axial Tilt: 1.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 5.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 256.7

Radius: 11.5

Gravity: 1.94 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 5.06 AU - 6.22 AU

Year: 4868 Days

Day: 11.4 Hours

Environment

Temp: -146 °C

Axial Tilt: 75.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 94,286,172 km

• M1: 237,262 km (0.073 R)
• M2: 470,934 km (0.068 R)
• M3: 562,039 km (0.116 R)
• M4: 745,446 km (0.08 R)
• M5: 896,989 km (0.115 R)
• M6: 1,291,628 km (0.092 R)
• M7: 1,389,465 km (0.075 R)
• M8: 1,477,129 km (0.071 R)
• M9: 1,605,784 km (0.078 R)
• M10: 2,042,909 km (0.104 R)
• M11: 2,231,252 km (0.108 R)
• M12: 2,516,685 km (0.088 R)
• M13: 2,846,249 km (0.077 R)
• M14: 3,156,365 km (0.053 R)
• M15: 3,477,552 km (0.113 R)
• M16: 3,598,577 km (0.086 R)
• M17: 3,756,253 km (0.056 R)
• M18: 4,078,786 km (0.095 R)
• M19: 4,466,244 km (0.106 R)
• M20: 4,846,522 km (0.09 R)
• M21: 5,356,501 km (0.103 R)
• M22: 5,516,870 km (0.036 R)
• M23: 5,904,329 km (0.077 R)
• M24: 6,216,390 km (0.026 R)
• M25: 6,321,707 km (0.06 R)
• M26: 6,427,473 km (0.117 R)
• M27: 6,900,351 km (0.072 R)
• M28: 7,451,320 km (0.054 R)
• M29: 7,563,220 km (0.069 R)
• M30: 8,572,257 km (0.085 R)
• M31: 8,666,055 km (0.11 R)
• M32: 8,997,115 km (0.095 R)
• M33: 9,092,559 km (0.09 R)
• M34: 9,477,474 km (0.06 R)
• M35: 9,550,178 km (0.079 R)
• M36: 9,623,182 km (0.054 R)
• M37: 9,794,173 km (0.055 R)
• M38: 9,966,061 km (0.049 R)
• M39: 10,263,312 km (0.111 R)
• M40: 10,815,627 km (0.099 R)
• M41: 10,891,772 km (0.081 R)
• M42: 11,095,524 km (0.06 R)
• M43: 12,001,788 km (0.109 R)
• M44: 12,265,081 km (0.112 R)
• M45: 12,370,996 km (0.063 R)
• M46: 12,690,537 km (0.065 R)
• M47: 12,770,721 km (0.115 R)
• M48: 13,039,549 km (0.105 R)
• M49: 13,446,455 km (0.095 R)
• M50: 14,106,032 km (0.085 R)
• M51: 14,217,034 km (0.106 R)
• M52: 14,328,185 km (0.118 R)
• M53: 14,523,709 km (0.118 R)
• M54: 14,945,426 km (0.117 R)
• M55: 15,285,611 km (0.066 R)
• M56: 15,485,324 km (0.039 R)
• M57: 15,571,194 km (0.052 R)
• M58: 15,657,212 km (0.117 R)
• M59: 15,916,166 km (0.069 R)
• M60: 16,002,783 km (0.114 R)
• M61: 16,409,091 km (0.088 R)
• M62: 16,848,311 km (0.088 R)
• M63: 17,350,810 km (0.053 R)
• M64: 18,582,898 km (0.111 R)
• M65: 19,132,670 km (0.111 R)
• M66: 19,317,124 km (0.066 R)
• M67: 19,564,110 km (0.114 R)
• M68: 19,967,426 km (0.1 R)
• M69: 20,123,307 km (0.069 R)
• M70: 20,342,318 km (0.051 R)
• M71: 20,436,416 km (0.114 R)
• M72: 20,814,150 km (0.086 R)
• M73: 21,067,270 km (0.056 R)
• M74: 21,257,708 km (0.059 R)
• M75: 21,385,016 km (0.084 R)

Planet 9 - Ice Giant

Semi-Major Axis: 13.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 458.6

Radius: 3.7

Gravity: 33.5 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 12.15 AU - 13.95 AU

Year: 17133 Days

Day: 16 Hours

Environment

Temp: -187 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 94,286,172 km

• M1: 61,186 km (0.093 R)
• M2: 124,914 km (0.095 R)
• M3: 373,396 km (0.076 R)
• M4: 581,038 km (0.119 R)
• M5: 819,796 km (0.08 R)
• M6: 1,253,780 km (0.089 R)
• M7: 1,830,480 km (0.066 R)
• M8: 2,234,843 km (0.105 R)
• M9: 2,294,682 km (0.103 R)
• M10: 3,088,298 km (0.075 R)
• M11: 3,324,364 km (0.112 R)
• M12: 3,531,407 km (0.071 R)
• M13: 3,813,848 km (0.106 R)
• M14: 3,994,114 km (0.084 R)
• M15: 4,103,619 km (0.08 R)
• M16: 4,475,819 km (0.044 R)
• M17: 5,014,670 km (0.096 R)
• M18: 5,054,014 km (0.053 R)
• M19: 5,172,496 km (0.115 R)
• M20: 5,492,785 km (0.078 R)
• M21: 5,696,238 km (0.091 R)
• M22: 6,363,893 km (0.052 R)
• M23: 6,924,287 km (0.107 R)
• M24: 7,055,933 km (0.035 R)
• M25: 7,635,475 km (0.056 R)
• M26: 8,137,825 km (0.087 R)
• M27: 8,369,702 km (0.094 R)
• M28: 8,650,796 km (0.031 R)
• M29: 8,792,465 km (0.116 R)
• M30: 9,609,868 km (0.105 R)
• M31: 11,264,420 km (0.118 R)
• M32: 11,316,032 km (0.11 R)
• M33: 12,203,446 km (0.062 R)
• M34: 12,256,254 km (0.116 R)
• M35: 13,823,142 km (0.101 R)
• M36: 14,433,801 km (0.104 R)
• M37: 14,658,048 km (0.077 R)
• M38: 15,109,834 km (0.06 R)
• M39: 16,317,687 km (0.104 R)
• M40: 16,434,373 km (0.051 R)
• M41: 16,668,494 km (0.039 R)
• M42: 16,903,662 km (0.114 R)
• M43: 19,377,263 km (0.074 R)
• M44: 19,500,681 km (0.095 R)
• M45: 19,562,614 km (0.083 R)
• M46: 19,748,565 km (0.117 R)
• M47: 20,184,792 km (0.067 R)
• M48: 20,624,161 km (0.086 R)
• M49: 21,640,230 km (0.082 R)
• M50: 22,998,429 km (0.06 R)
• M51: 24,051,598 km (0.071 R)
• M52: 24,784,627 km (0.036 R)
• M53: 28,138,312 km (0.116 R)
• M54: 28,488,521 km (0.111 R)
• M55: 28,840,076 km (0.087 R)
• M56: 29,051,757 km (0.111 R)
• M57: 29,760,851 km (0.074 R)
• M58: 31,123,837 km (0.061 R)
• M59: 33,613,295 km (0.097 R)
• M60: 34,059,246 km (0.069 R)
• M61: 34,656,890 km (0.055 R)
• M62: 34,956,983 km (0.094 R)
• M63: 35,710,957 km (0.042 R)
• M64: 35,862,350 km (0.053 R)
• M65: 36,241,879 km (0.072 R)
• M66: 36,928,384 km (0.116 R)
• M67: 37,927,698 km (0.088 R)
• M68: 38,624,525 km (0.048 R)
• M69: 40,582,611 km (0.114 R)
• M70: 40,740,736 km (0.117 R)
• M71: 40,899,011 km (0.102 R)
• M72: 41,852,697 km (0.109 R)
• M73: 42,412,492 km (0.066 R)
• M74: 42,572,861 km (0.111 R)
• M75: 42,894,197 km (0.066 R)
• M76: 44,431,615 km (0.064 R)
• M77: 45,575,889 km (0.069 R)
• M78: 45,904,705 km (0.076 R)
• M79: 46,069,263 km (0.084 R)
• M80: 46,234,120 km (0.117 R)
• M81: 46,729,887 km (0.118 R)
• M82: 47,227,449 km (0.033 R)
• M83: 47,310,626 km (0.112 R)
• M84: 47,726,807 km (0.113 R)
• M85: 48,898,458 km (0.032 R)
• M86: 49,150,829 km (0.062 R)
• M87: 52,814,631 km (0.087 R)
• M88: 53,159,903 km (0.108 R)
• M89: 53,332,838 km (0.103 R)
• M90: 55,334,756 km (0.104 R)
• M91: 55,422,421 km (0.1 R)
• M92: 56,212,896 km (0.109 R)
• M93: 56,741,874 km (0.063 R)
• M94: 58,517,301 km (0.116 R)
• M95: 58,695,772 km (0.063 R)
• M96: 59,591,115 km (0.099 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 976.4

Radius: 4.2

Gravity: 55.35 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 15.55 AU - 16.31 AU

Year: 23108 Days

Day: 15.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 94,286,172 km

• M1: 96,042 km (0.114 R)
• M2: 402,568 km (0.038 R)
• M3: 447,298 km (0.115 R)
• M4: 806,033 km (0.103 R)
• M5: 1,234,781 km (0.11 R)
• M6: 1,613,862 km (0.118 R)
• M7: 1,760,169 km (0.11 R)
• M8: 2,305,602 km (0.12 R)
• M9: 2,470,459 km (0.119 R)
• M10: 2,768,009 km (0.105 R)
• M11: 3,490,118 km (0.064 R)
• M12: 3,775,252 km (0.106 R)
• M13: 4,674,634 km (0.103 R)
• M14: 4,830,665 km (0.102 R)
• M15: 4,935,683 km (0.074 R)
• M16: 5,094,705 km (0.108 R)
• M17: 6,139,796 km (0.117 R)
• M18: 6,541,167 km (0.077 R)
• M19: 6,950,915 km (0.11 R)
• M20: 8,229,229 km (0.11 R)
• M21: 9,185,608 km (0.101 R)
• M22: 9,315,759 km (0.113 R)
• M23: 9,643,827 km (0.11 R)
• M24: 10,856,018 km (0.106 R)
• M25: 10,993,648 km (0.05 R)
• M26: 11,270,554 km (0.109 R)
• M27: 11,760,936 km (0.082 R)
• M28: 11,902,156 km (0.107 R)
• M29: 12,044,125 km (0.084 R)
• M30: 13,567,779 km (0.101 R)
• M31: 13,790,381 km (0.102 R)
• M32: 14,540,913 km (0.11 R)
• M33: 15,150,973 km (0.1 R)
• M34: 15,304,760 km (0.083 R)
• M35: 16,712,177 km (0.075 R)
• M36: 16,950,785 km (0.044 R)
• M37: 17,270,625 km (0.097 R)
• M38: 17,350,810 km (0.116 R)
• M39: 17,997,521 km (0.111 R)
• M40: 18,982,175 km (0.074 R)
• M41: 19,314,282 km (0.047 R)
• M42: 20,832,251 km (0.09 R)
• M43: 22,388,219 km (0.077 R)
• M44: 22,563,398 km (0.052 R)
• M45: 22,826,989 km (0.062 R)
• M46: 25,518,854 km (0.114 R)
• M47: 26,438,132 km (0.105 R)
• M48: 29,644,015 km (0.038 R)
• M49: 32,870,392 km (0.036 R)
• M50: 34,575,509 km (0.111 R)
• M51: 35,285,949 km (0.091 R)
• M52: 35,591,877 km (0.116 R)
• M53: 36,514,895 km (0.101 R)
• M54: 38,594,306 km (0.119 R)
• M55: 39,648,223 km (0.053 R)
• M56: 40,178,847 km (0.11 R)
• M57: 40,711,714 km (0.063 R)
• M58: 45,611,643 km (0.115 R)
• M59: 46,167,548 km (0.105 R)
• M60: 46,390,449 km (0.098 R)
• M61: 46,613,799 km (0.083 R)
• M62: 48,639,653 km (0.068 R)
• M63: 48,980,138 km (0.1 R)
• M64: 50,235,115 km (0.054 R)
• M65: 51,963,419 km (0.097 R)
• M66: 53,126,542 km (0.098 R)
• M67: 55,478,221 km (0.118 R)
• M68: 56,309,237 km (0.07 R)
• M69: 59,068,869 km (0.067 R)
• M70: 59,431,943 km (0.082 R)
• M71: 61,258,982 km (0.048 R)
• M72: 61,994,854 km (0.097 R)
• M73: 62,117,823 km (0.103 R)
• M74: 66,345,908 km (0.057 R)
• M75: 66,723,343 km (0.104 R)
• M76: 67,101,676 km (0.091 R)
• M77: 71,437,621 km (0.03 R)
• M78: 71,953,584 km (0.053 R)
• M79: 74,291,051 km (0.076 R)
• M80: 76,257,814 km (0.101 R)
• M81: 78,108,938 km (0.078 R)
• M82: 78,640,609 km (0.057 R)
• M83: 82,800,925 km (0.1 R)
• M84: 87,169,931 km (0.071 R)
• M85: 87,445,491 km (0.12 R)
• M86: 87,721,349 km (0.094 R)
• M87: 88,412,192 km (0.11 R)
• M88: 90,356,216 km (0.073 R)
• M89: 91,333,390 km (0.105 R)
• M90: 91,753,311 km (0.032 R)
• M91: 92,595,098 km (0.056 R)
• M92: 92,876,192 km (0.041 R)

Kuiper Belt

Range: 30.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 157 - 15,302 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit