🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 0.71 AU - 1.03 AU

Year: 295 Days

Day: 27.4 Hours

Environment

Temp: 126 °C

Axial Tilt: 24 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.2 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.55

Radius: 1.19

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 1.08 AU - 1.32 AU

Year: 478 Days

Day: 28.3 Hours

Environment

Temp: 17 °C

Axial Tilt: 17 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.4 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.49

Radius: 0.75

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 1.37 AU - 1.44 AU

Year: 602 Days

Day: 38.6 Hours

Environment

Temp: 1 °C

Axial Tilt: 12.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.34

Radius: 0.65

Gravity: 0.8 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.41 AU - 1.91 AU

Year: 777 Days

Day: 33.3 Hours

Environment

Temp: -54 °C

Axial Tilt: 8.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 2.96 AU - 4.28 AU

Year: 2503 Days

Day: 20.7 Hours

Environment

Temp: -118 °C

Axial Tilt: 19.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 471.3

Radius: 11.4

Gravity: 3.63 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 6.95 AU - 8.73 AU

Year: 7978 Days

Day: 11.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 112,975,391 km

• M1: 154,535 km (0.101 R)
• M2: 276,606 km (0.113 R)
• M3: 379,231 km (0.118 R)
• M4: 547,229 km (0.085 R)
• M5: 635,193 km (0.106 R)
• M6: 770,579 km (0.098 R)
• M7: 1,104,481 km (0.026 R)
• M8: 1,519,017 km (0.066 R)
• M9: 1,667,867 km (0.079 R)
• M10: 2,143,737 km (0.061 R)
• M11: 2,290,493 km (0.078 R)
• M12: 2,773,395 km (0.069 R)
• M13: 2,933,913 km (0.037 R)
• M14: 3,556,540 km (0.115 R)
• M15: 3,857,830 km (0.101 R)
• M16: 4,011,467 km (0.083 R)
• M17: 4,219,707 km (0.049 R)
• M18: 4,404,909 km (0.072 R)
• M19: 4,783,242 km (0.032 R)
• M20: 4,865,820 km (0.108 R)
• M21: 5,060,148 km (0.076 R)
• M22: 7,140,606 km (0.104 R)
• M23: 7,425,440 km (0.115 R)
• M24: 8,236,111 km (0.075 R)
• M25: 8,501,497 km (0.091 R)
• M26: 9,108,865 km (0.083 R)
• M27: 9,521,755 km (0.047 R)
• M28: 9,905,473 km (0.082 R)
• M29: 10,117,005 km (0.095 R)
• M30: 10,760,425 km (0.089 R)
• M31: 11,750,314 km (0.105 R)
• M32: 12,616,486 km (0.107 R)
• M33: 13,076,649 km (0.077 R)
• M34: 13,153,842 km (0.101 R)
• M35: 13,347,571 km (0.044 R)
• M36: 14,013,281 km (0.072 R)
• M37: 14,609,728 km (0.072 R)
• M38: 15,052,388 km (0.059 R)
• M39: 15,377,165 km (0.096 R)
• M40: 16,199,205 km (0.057 R)
• M41: 16,615,536 km (0.063 R)
• M42: 17,842,837 km (0.091 R)
• M43: 20,833,299 km (0.072 R)
• M44: 20,968,834 km (0.086 R)
• M45: 21,650,552 km (0.037 R)
• M46: 24,022,875 km (0.069 R)
• M47: 24,354,833 km (0.075 R)
• M48: 24,927,493 km (0.099 R)
• M49: 25,119,427 km (0.117 R)
• M50: 25,989,040 km (0.07 R)
• M51: 26,134,898 km (0.08 R)
• M52: 27,757,735 km (0.119 R)
• M53: 28,106,149 km (0.043 R)
• M54: 28,455,909 km (0.097 R)
• M55: 29,109,502 km (0.086 R)
• M56: 30,945,217 km (0.073 R)
• M57: 31,048,290 km (0.092 R)
• M58: 32,137,512 km (0.091 R)
• M59: 32,713,015 km (0.061 R)
• M60: 34,086,922 km (0.117 R)
• M61: 34,299,949 km (0.117 R)
• M62: 35,102,841 km (0.12 R)
• M63: 35,317,963 km (0.031 R)
• M64: 35,425,673 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 528.6

Radius: 5.3

Gravity: 18.82 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 17.08 AU - 19.04 AU

Year: 27894 Days

Day: 20.7 Hours

Environment

Temp: -207 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (98)

Outer Limit: 112,975,391 km

• M1: 80,184 km (0.092 R)
• M2: 258,804 km (0.058 R)
• M3: 369,507 km (0.065 R)
• M4: 430,842 km (0.089 R)
• M5: 660,475 km (0.052 R)
• M6: 710,739 km (0.065 R)
• M7: 1,068,578 km (0.064 R)
• M8: 1,219,522 km (0.102 R)
• M9: 1,678,189 km (0.111 R)
• M10: 1,853,966 km (0.057 R)
• M11: 2,901,750 km (0.079 R)
• M12: 2,943,637 km (0.049 R)
• M13: 3,328,852 km (0.077 R)
• M14: 3,775,551 km (0.076 R)
• M15: 3,867,105 km (0.084 R)
• M16: 4,005,932 km (0.07 R)
• M17: 4,724,151 km (0.09 R)
• M18: 5,123,278 km (0.106 R)
• M19: 6,006,953 km (0.082 R)
• M20: 6,329,935 km (0.111 R)
• M21: 6,825,104 km (0.088 R)
• M22: 7,389,836 km (0.081 R)
• M23: 7,852,243 km (0.101 R)
• M24: 8,443,453 km (0.112 R)
• M25: 8,987,690 km (0.096 R)
• M26: 9,048,876 km (0.061 R)
• M27: 9,171,696 km (0.062 R)
• M28: 9,481,064 km (0.101 R)
• M29: 10,752,347 km (0.119 R)
• M30: 11,341,763 km (0.11 R)
• M31: 12,008,819 km (0.114 R)
• M32: 12,347,210 km (0.11 R)
• M33: 12,551,561 km (0.102 R)
• M34: 13,033,116 km (0.047 R)
• M35: 13,171,793 km (0.111 R)
• M36: 13,801,900 km (0.108 R)
• M37: 15,529,755 km (0.119 R)
• M38: 15,824,313 km (0.104 R)
• M39: 16,344,166 km (0.059 R)
• M40: 16,493,764 km (0.094 R)
• M41: 16,945,250 km (0.113 R)
• M42: 18,479,227 km (0.086 R)
• M43: 18,791,288 km (0.079 R)
• M44: 19,420,646 km (0.032 R)
• M45: 19,977,000 km (0.066 R)
• M46: 20,458,107 km (0.051 R)
• M47: 21,349,860 km (0.08 R)
• M48: 23,592,183 km (0.119 R)
• M49: 25,473,675 km (0.051 R)
• M50: 26,082,389 km (0.081 R)
• M51: 26,344,783 km (0.11 R)
• M52: 26,520,112 km (0.097 R)
• M53: 28,205,631 km (0.113 R)
• M54: 28,744,932 km (0.092 R)
• M55: 29,469,434 km (0.119 R)
• M56: 30,016,813 km (0.092 R)
• M57: 30,291,774 km (0.104 R)
• M58: 30,844,089 km (0.096 R)
• M59: 31,121,443 km (0.085 R)
• M60: 33,465,343 km (0.063 R)
• M61: 33,750,327 km (0.117 R)
• M62: 35,574,374 km (0.088 R)
• M63: 37,331,700 km (0.072 R)
• M64: 37,528,720 km (0.085 R)
• M65: 38,320,093 km (0.079 R)
• M66: 39,417,393 km (0.076 R)
• M67: 39,818,914 km (0.099 R)
• M68: 40,120,952 km (0.106 R)
• M69: 40,727,272 km (0.114 R)
• M70: 41,438,610 km (0.061 R)
• M71: 43,286,293 km (0.045 R)
• M72: 43,700,530 km (0.1 R)
• M73: 46,530,922 km (0.079 R)
• M74: 48,880,655 km (0.046 R)
• M75: 50,069,959 km (0.109 R)
• M76: 51,816,663 km (0.06 R)
• M77: 52,808,048 km (0.114 R)
• M78: 53,029,154 km (0.044 R)
• M79: 54,362,370 km (0.097 R)
• M80: 56,157,245 km (0.102 R)
• M81: 62,006,522 km (0.083 R)
• M82: 63,293,214 km (0.079 R)
• M83: 64,825,245 km (0.116 R)
• M84: 65,536,434 km (0.084 R)
• M85: 68,045,938 km (0.108 R)
• M86: 69,736,394 km (0.097 R)
• M87: 72,666,268 km (0.086 R)
• M88: 73,035,176 km (0.07 R)
• M89: 73,281,564 km (0.117 R)
• M90: 74,022,373 km (0.028 R)
• M91: 75,014,057 km (0.085 R)
• M92: 76,885,078 km (0.091 R)
• M93: 77,637,705 km (0.101 R)
• M94: 80,037,404 km (0.082 R)
• M95: 80,673,045 km (0.04 R)
• M96: 84,650,554 km (0.105 R)
• M97: 84,909,358 km (0.076 R)
• M98: 85,817,118 km (0.104 R)

Planet 8 - Ice Giant

Semi-Major Axis: 19.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 884.1

Radius: 3.9

Gravity: 58.13 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 16.24 AU - 23.22 AU

Year: 31851 Days

Day: 19.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 112,975,391 km

• M1: 1,625,830 km (0.108 R)
• M2: 3,513,007 km (0.063 R)
• M3: 4,000,995 km (0.117 R)
• M4: 4,510,077 km (0.105 R)
• M5: 4,742,851 km (0.089 R)
• M6: 5,402,877 km (0.065 R)
• M7: 6,027,448 km (0.079 R)
• M8: 6,091,177 km (0.051 R)
• M9: 6,348,335 km (0.117 R)
• M10: 6,543,411 km (0.096 R)
• M11: 6,873,125 km (0.075 R)
• M12: 8,457,815 km (0.105 R)
• M13: 9,034,215 km (0.112 R)
• M14: 10,300,861 km (0.093 R)
• M15: 11,780,832 km (0.113 R)
• M16: 14,761,420 km (0.09 R)
• M17: 15,279,627 km (0.055 R)
• M18: 15,716,004 km (0.083 R)
• M19: 16,333,844 km (0.082 R)
• M20: 16,869,703 km (0.079 R)
• M21: 17,593,158 km (0.107 R)
• M22: 17,684,263 km (0.049 R)
• M23: 19,539,726 km (0.116 R)
• M24: 19,728,668 km (0.086 R)
• M25: 20,013,203 km (0.088 R)
• M26: 20,874,887 km (0.071 R)
• M27: 21,068,018 km (0.116 R)
• M28: 22,436,539 km (0.085 R)
• M29: 23,732,805 km (0.104 R)
• M30: 23,833,484 km (0.107 R)
• M31: 25,464,101 km (0.111 R)
• M32: 26,188,753 km (0.098 R)
• M33: 28,509,913 km (0.115 R)
• M34: 29,154,381 km (0.092 R)
• M35: 30,566,884 km (0.098 R)
• M36: 30,895,999 km (0.037 R)
• M37: 31,779,524 km (0.073 R)
• M38: 32,559,229 km (0.057 R)
• M39: 34,936,189 km (0.106 R)
• M40: 36,203,283 km (0.085 R)
• M41: 37,602,771 km (0.063 R)
• M42: 39,854,518 km (0.097 R)
• M43: 40,334,129 km (0.091 R)
• M44: 42,393,493 km (0.119 R)
• M45: 44,611,132 km (0.11 R)
• M46: 45,483,737 km (0.08 R)
• M47: 45,984,740 km (0.064 R)
• M48: 46,992,581 km (0.076 R)
• M49: 48,007,453 km (0.108 R)
• M50: 51,486,052 km (0.057 R)
• M51: 51,877,550 km (0.119 R)
• M52: 52,663,387 km (0.1 R)
• M53: 56,517,328 km (0.093 R)
• M54: 57,190,817 km (0.103 R)
• M55: 61,011,696 km (0.078 R)
• M56: 61,564,161 km (0.092 R)
• M57: 63,511,178 km (0.115 R)
• M58: 64,914,106 km (0.056 R)
• M59: 67,465,049 km (0.069 R)
• M60: 68,322,694 km (0.061 R)
• M61: 68,609,323 km (0.042 R)
• M62: 72,226,301 km (0.038 R)
• M63: 72,957,086 km (0.109 R)
• M64: 74,720,845 km (0.081 R)
• M65: 78,440,447 km (0.098 R)
• M66: 78,740,540 km (0.081 R)
• M67: 81,003,956 km (0.1 R)
• M68: 81,915,306 km (0.055 R)
• M69: 82,067,447 km (0.1 R)
• M70: 83,135,576 km (0.1 R)
• M71: 83,748,030 km (0.039 R)
• M72: 86,522,472 km (0.05 R)
• M73: 87,298,585 km (0.078 R)
• M74: 87,920,913 km (0.099 R)
• M75: 89,483,612 km (0.082 R)
• M76: 90,740,234 km (0.088 R)
• M77: 91,055,437 km (0.118 R)
• M78: 94,066,842 km (0.077 R)
• M79: 94,545,256 km (0.079 R)
• M80: 95,344,408 km (0.097 R)
• M81: 95,825,066 km (0.092 R)
• M82: 96,788,775 km (0.106 R)
• M83: 100,349,504 km (0.109 R)
• M84: 103,294,637 km (0.059 R)
• M85: 103,459,045 km (0.096 R)
• M86: 105,604,877 km (0.12 R)
• M87: 108,432,875 km (0.114 R)
• M88: 111,791,796 km (0.087 R)

Kuiper Belt

Range: 30.2 - 45.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 396 - 16,737 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit