🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.35

Radius: 1.8

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 0.51 AU - 0.71 AU

Year: 166 Days

Day: 29.1 Hours

Environment

Temp: 259 °C

Axial Tilt: 47.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.94 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.11

Radius: 0.41

Gravity: 0.65 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 0.72 AU - 1.16 AU

Year: 317 Days

Day: 14.1 Hours

Environment

Temp: 123 °C

Axial Tilt: 7.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 92,374,745 km

• M1: 30,069 km (0.106 R)

Planet 3 - Terrestrial

Semi-Major Axis: 1.24 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.5

Radius: 0.76

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.02 AU - 1.46 AU

Year: 481 Days

Day: 16.2 Hours

Environment

Temp: 10 °C

Axial Tilt: 22.2 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 92,374,745 km

• M1: 212,130 km (0.108 R)

Planet 4 - Terrestrial

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.89

Radius: 1.53

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.65 AU - 2.39 AU

Year: 1000 Days

Day: 24 Hours

Environment

Temp: -44 °C

Axial Tilt: 41.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 92,374,745 km

• M1: 1,383,631 km (0.038 R)

Planet 5 - Terrestrial

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.47

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 2.91 AU - 4.13 AU

Year: 2300 Days

Day: 19.6 Hours

Environment

Temp: -99 °C

Axial Tilt: 46.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Terrestrial

Semi-Major Axis: 4.54 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.96

Radius: 0.98

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 3.74 AU - 5.34 AU

Year: 3369 Days

Day: 24.2 Hours

Environment

Temp: -114 °C

Axial Tilt: 35.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 92,374,745 km

• M1: 154,834 km (0.05 R)
• M2: 558,150 km (0.116 R)

Asteroid Belt

Center: 7.38 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 10.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.5

Radius: 12.7

Gravity: 4.76 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 9.22 AU - 11.2 AU

Year: 11361 Days

Day: 10.3 Hours

Environment

Temp: -173 °C

Axial Tilt: 53.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (82)

Outer Limit: 92,374,745 km

• M1: 220,358 km (0.106 R)
• M2: 1,032,973 km (0.066 R)
• M3: 1,137,542 km (0.037 R)
• M4: 1,335,311 km (0.103 R)
• M5: 1,892,862 km (0.084 R)
• M6: 2,293,335 km (0.072 R)
• M7: 2,404,636 km (0.088 R)
• M8: 2,546,605 km (0.071 R)
• M9: 2,662,094 km (0.074 R)
• M10: 3,173,120 km (0.104 R)
• M11: 3,879,671 km (0.075 R)
• M12: 4,354,495 km (0.097 R)
• M13: 4,847,869 km (0.05 R)
• M14: 5,508,493 km (0.083 R)
• M15: 6,552,536 km (0.056 R)
• M16: 7,447,730 km (0.084 R)
• M17: 7,614,681 km (0.088 R)
• M18: 8,123,015 km (0.047 R)
• M19: 8,862,028 km (0.074 R)
• M20: 9,622,434 km (0.092 R)
• M21: 9,713,390 km (0.101 R)
• M22: 10,264,508 km (0.095 R)
• M23: 11,349,392 km (0.114 R)
• M24: 12,076,438 km (0.026 R)
• M25: 13,473,831 km (0.113 R)
• M26: 13,677,733 km (0.109 R)
• M27: 14,555,274 km (0.116 R)
• M28: 14,764,562 km (0.065 R)
• M29: 15,291,745 km (0.077 R)
• M30: 16,040,332 km (0.065 R)
• M31: 16,256,501 km (0.11 R)
• M32: 16,364,810 km (0.059 R)
• M33: 16,582,475 km (0.028 R)
• M34: 16,910,543 km (0.098 R)
• M35: 17,130,452 km (0.078 R)
• M36: 17,296,057 km (0.112 R)
• M37: 17,406,759 km (0.04 R)
• M38: 17,573,262 km (0.119 R)
• M39: 18,639,895 km (0.103 R)
• M40: 18,810,137 km (0.099 R)
• M41: 19,381,751 km (0.062 R)
• M42: 19,669,726 km (0.099 R)
• M43: 21,545,833 km (0.086 R)
• M44: 22,203,914 km (0.11 R)
• M45: 24,403,452 km (0.099 R)
• M46: 25,340,234 km (0.107 R)
• M47: 25,592,007 km (0.115 R)
• M48: 25,781,547 km (0.114 R)
• M49: 27,184,775 km (0.098 R)
• M50: 29,138,075 km (0.109 R)
• M51: 29,335,843 km (0.085 R)
• M52: 29,467,938 km (0.054 R)
• M53: 29,865,569 km (0.12 R)
• M54: 31,744,369 km (0.1 R)
• M55: 32,219,941 km (0.072 R)
• M56: 32,356,224 km (0.091 R)
• M57: 32,766,422 km (0.05 R)
• M58: 33,040,934 km (0.048 R)
• M59: 34,285,139 km (0.044 R)
• M60: 34,563,690 km (0.08 R)
• M61: 34,773,127 km (0.091 R)
• M62: 35,333,671 km (0.115 R)
• M63: 37,033,252 km (0.096 R)
• M64: 37,176,118 km (0.091 R)
• M65: 39,049,682 km (0.063 R)
• M66: 39,997,983 km (0.073 R)
• M67: 40,806,260 km (0.069 R)
• M68: 42,289,672 km (0.119 R)
• M69: 45,461,895 km (0.044 R)
• M70: 45,614,934 km (0.089 R)
• M71: 45,844,716 km (0.106 R)
• M72: 47,076,655 km (0.043 R)
• M73: 47,308,831 km (0.029 R)
• M74: 47,696,738 km (0.063 R)
• M75: 47,929,961 km (0.06 R)
• M76: 48,944,983 km (0.053 R)
• M77: 49,809,359 km (0.081 R)
• M78: 50,441,111 km (0.058 R)
• M79: 52,673,410 km (0.104 R)
• M80: 52,834,078 km (0.086 R)
• M81: 53,559,179 km (0.08 R)
• M82: 53,801,677 km (0.047 R)

Planet 8 - Gas Giant

Semi-Major Axis: 13.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 903.5

Radius: 11.7

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 12.41 AU - 14.11 AU

Year: 16815 Days

Day: 10.3 Hours

Environment

Temp: -178 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 92,374,745 km

• M1: 339,737 km (0.086 R)
• M2: 511,924 km (0.052 R)
• M3: 853,755 km (0.101 R)
• M4: 1,050,775 km (0.115 R)
• M5: 1,235,828 km (0.069 R)
• M6: 1,460,973 km (0.114 R)
• M7: 1,638,994 km (0.054 R)
• M8: 1,887,476 km (0.104 R)
• M9: 1,983,967 km (0.11 R)
• M10: 2,815,282 km (0.094 R)
• M11: 3,784,527 km (0.1 R)
• M12: 3,866,357 km (0.096 R)
• M13: 4,199,511 km (0.068 R)
• M14: 4,541,941 km (0.075 R)
• M15: 4,938,076 km (0.102 R)
• M16: 5,208,549 km (0.068 R)
• M17: 6,144,733 km (0.093 R)
• M18: 6,338,312 km (0.056 R)
• M19: 6,632,422 km (0.096 R)
• M20: 7,489,917 km (0.113 R)
• M21: 7,853,140 km (0.058 R)
• M22: 7,958,008 km (0.102 R)
• M23: 8,116,283 km (0.042 R)
• M24: 9,586,381 km (0.085 R)
• M25: 10,496,086 km (0.063 R)
• M26: 11,019,828 km (0.106 R)
• M27: 11,137,412 km (0.088 R)
• M28: 11,433,167 km (0.095 R)
• M29: 11,552,097 km (0.104 R)
• M30: 11,791,454 km (0.12 R)
• M31: 12,826,671 km (0.115 R)
• M32: 12,950,388 km (0.074 R)
• M33: 13,512,128 km (0.111 R)
• M34: 13,637,940 km (0.051 R)
• M35: 14,853,423 km (0.03 R)
• M36: 15,113,723 km (0.066 R)
• M37: 16,303,924 km (0.103 R)
• M38: 16,639,771 km (0.101 R)
• M39: 17,045,929 km (0.113 R)
• M40: 17,250,280 km (0.113 R)
• M41: 18,423,277 km (0.119 R)
• M42: 20,483,240 km (0.044 R)
• M43: 21,798,205 km (0.069 R)
• M44: 22,094,259 km (0.076 R)
• M45: 23,517,982 km (0.095 R)
• M46: 24,740,047 km (0.046 R)
• M47: 25,281,143 km (0.114 R)
• M48: 25,982,457 km (0.066 R)
• M49: 26,532,529 km (0.099 R)
• M50: 27,964,330 km (0.119 R)
• M51: 28,851,745 km (0.062 R)
• M52: 30,488,794 km (0.03 R)
• M53: 30,902,731 km (0.116 R)
• M54: 31,485,415 km (0.109 R)
• M55: 31,819,916 km (0.105 R)
• M56: 33,170,037 km (0.07 R)
• M57: 33,255,158 km (0.082 R)
• M58: 33,340,129 km (0.111 R)
• M59: 33,766,633 km (0.045 R)
• M60: 33,937,773 km (0.052 R)
• M61: 34,280,801 km (0.072 R)
• M62: 34,711,344 km (0.056 R)
• M63: 36,013,443 km (0.096 R)
• M64: 37,066,612 km (0.086 R)
• M65: 39,293,078 km (0.079 R)
• M66: 39,473,044 km (0.119 R)
• M67: 42,759,410 km (0.098 R)
• M68: 43,315,615 km (0.105 R)
• M69: 46,512,671 km (0.067 R)
• M70: 47,371,662 km (0.105 R)
• M71: 47,659,039 km (0.118 R)
• M72: 48,718,192 km (0.062 R)
• M73: 50,859,386 km (0.12 R)
• M74: 51,645,673 km (0.112 R)
• M75: 51,744,258 km (0.116 R)
• M76: 53,429,478 km (0.106 R)
• M77: 57,363,004 km (0.104 R)
• M78: 57,874,031 km (0.071 R)
• M79: 58,078,830 km (0.094 R)
• M80: 62,120,965 km (0.077 R)
• M81: 62,225,833 km (0.101 R)
• M82: 63,805,437 km (0.091 R)
• M83: 66,681,904 km (0.071 R)
• M84: 67,003,989 km (0.09 R)
• M85: 67,757,962 km (0.102 R)
• M86: 69,056,771 km (0.065 R)
• M87: 69,165,379 km (0.113 R)
• M88: 69,600,260 km (0.1 R)
• M89: 71,459,163 km (0.084 R)
• M90: 72,781,159 km (0.097 R)
• M91: 72,891,712 km (0.115 R)
• M92: 73,002,265 km (0.108 R)
• M93: 73,666,928 km (0.057 R)
• M94: 74,111,234 km (0.095 R)

Planet 9 - Ice Giant

Semi-Major Axis: 17.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739

Radius: 4.6

Gravity: 34.92 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 13.6 AU - 21.64 AU

Year: 25757 Days

Day: 21.9 Hours

Environment

Temp: -183 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 92,374,745 km

• M1: 72,405 km (0.066 R)
• M2: 111,301 km (0.097 R)
• M3: 210,185 km (0.117 R)
• M4: 280,197 km (0.118 R)
• M5: 338,091 km (0.119 R)
• M6: 561,142 km (0.091 R)
• M7: 661,671 km (0.108 R)
• M8: 823,686 km (0.114 R)
• M9: 968,048 km (0.077 R)
• M10: 1,089,372 km (0.101 R)
• M11: 1,448,107 km (0.12 R)
• M12: 1,622,539 km (0.113 R)
• M13: 1,766,900 km (0.062 R)
• M14: 2,029,744 km (0.055 R)
• M15: 2,068,340 km (0.118 R)
• M16: 3,471,269 km (0.064 R)
• M17: 3,517,495 km (0.084 R)
• M18: 4,039,591 km (0.086 R)
• M19: 4,088,211 km (0.065 R)
• M20: 4,284,932 km (0.076 R)
• M21: 4,585,624 km (0.073 R)
• M22: 4,687,350 km (0.06 R)
• M23: 7,048,603 km (0.084 R)
• M24: 7,884,705 km (0.094 R)
• M25: 9,389,211 km (0.113 R)
• M26: 9,453,837 km (0.11 R)
• M27: 9,975,784 km (0.045 R)
• M28: 10,107,730 km (0.11 R)
• M29: 10,440,136 km (0.077 R)
• M30: 11,735,654 km (0.091 R)
• M31: 12,225,587 km (0.075 R)
• M32: 12,437,717 km (0.088 R)
• M33: 13,881,934 km (0.108 R)
• M34: 14,029,288 km (0.114 R)
• M35: 14,325,492 km (0.115 R)
• M36: 14,548,991 km (0.09 R)
• M37: 15,454,657 km (0.113 R)
• M38: 15,760,584 km (0.069 R)
• M39: 15,991,264 km (0.032 R)
• M40: 16,768,425 km (0.107 R)
• M41: 17,082,730 km (0.097 R)
• M42: 17,161,718 km (0.052 R)
• M43: 18,846,041 km (0.094 R)
• M44: 19,419,000 km (0.106 R)
• M45: 19,914,768 km (0.119 R)
• M46: 20,164,147 km (0.08 R)
• M47: 20,331,099 km (0.093 R)
• M48: 21,172,287 km (0.062 R)
• M49: 23,675,060 km (0.027 R)
• M50: 25,005,882 km (0.118 R)
• M51: 26,087,924 km (0.082 R)
• M52: 27,739,484 km (0.082 R)
• M53: 34,774,025 km (0.113 R)
• M54: 35,275,028 km (0.114 R)
• M55: 35,677,596 km (0.107 R)
• M56: 36,182,788 km (0.104 R)
• M57: 36,385,493 km (0.1 R)
• M58: 38,124,269 km (0.117 R)
• M59: 43,069,825 km (0.028 R)
• M60: 43,931,509 km (0.073 R)
• M61: 44,907,635 km (0.077 R)
• M62: 47,323,790 km (0.089 R)
• M63: 48,212,851 km (0.119 R)
• M64: 51,253,726 km (0.118 R)
• M65: 52,166,573 km (0.072 R)
• M66: 54,820,738 km (0.113 R)
• M67: 55,286,735 km (0.077 R)
• M68: 55,403,571 km (0.096 R)
• M69: 56,457,638 km (0.105 R)
• M70: 57,755,100 km (0.071 R)
• M71: 58,348,106 km (0.035 R)
• M72: 58,467,037 km (0.083 R)
• M73: 58,704,897 km (0.086 R)
• M74: 60,499,473 km (0.047 R)
• M75: 60,860,603 km (0.038 R)
• M76: 61,705,980 km (0.077 R)
• M77: 64,387,821 km (0.102 R)
• M78: 66,858,729 km (0.081 R)
• M79: 66,983,195 km (0.089 R)
• M80: 67,980,863 km (0.116 R)
• M81: 68,481,417 km (0.097 R)
• M82: 68,606,780 km (0.077 R)
• M83: 69,864,599 km (0.059 R)
• M84: 73,554,879 km (0.101 R)
• M85: 74,197,552 km (0.102 R)
• M86: 75,100,375 km (0.072 R)
• M87: 75,877,237 km (0.072 R)
• M88: 77,699,937 km (0.094 R)
• M89: 78,485,476 km (0.104 R)
• M90: 79,142,210 km (0.119 R)
• M91: 80,858,098 km (0.08 R)
• M92: 83,120,317 km (0.094 R)
• M93: 83,923,657 km (0.053 R)
• M94: 85,133,605 km (0.109 R)
• M95: 85,403,330 km (0.117 R)
• M96: 86,620,309 km (0.113 R)

Kuiper Belt

Range: 31.5 - 47.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 209 - 14,625 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit