🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.55 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.18

Radius: 0.5

Gravity: 0.72 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.49 AU - 0.61 AU

Year: 259 Days

Day: 37.9 Hours

Environment

Temp: -124 °C

Axial Tilt: 25.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 74,223,629 km

• M1: 150,944 km (0.07 R)
• M2: 243,246 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.3

Radius: 14.2

Gravity: 0.3 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.79 AU - 1.17 AU

Year: 617 Days

Day: 12.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,223,629 km

• M1: 200,910 km (0.104 R)
• M2: 293,212 km (0.102 R)
• M3: 431,440 km (0.079 R)
• M4: 544,835 km (0.073 R)
• M5: 651,200 km (0.114 R)
• M6: 749,934 km (0.096 R)
• M7: 840,590 km (0.051 R)
• M8: 956,230 km (0.103 R)
• M9: 1,059,303 km (0.116 R)
• M10: 1,241,363 km (0.095 R)
• M11: 1,399,787 km (0.1 R)
• M12: 1,515,277 km (0.079 R)
• M13: 1,612,366 km (0.094 R)
• M14: 1,809,536 km (0.092 R)
• M15: 2,219,883 km (0.109 R)
• M16: 2,638,158 km (0.072 R)
• M17: 2,876,917 km (0.115 R)
• M18: 2,967,274 km (0.078 R)
• M19: 3,169,380 km (0.112 R)
• M20: 3,300,428 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 527.8

Radius: 14.1

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.34 AU - 1.74 AU

Year: 1215 Days

Day: 9.5 Hours

Environment

Temp: -169 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (52)

Outer Limit: 74,223,629 km

• M1: 180,265 km (0.056 R)
• M2: 276,606 km (0.063 R)
• M3: 500,704 km (0.092 R)
• M4: 760,855 km (0.065 R)
• M5: 866,770 km (0.104 R)
• M6: 1,053,618 km (0.031 R)
• M7: 1,225,207 km (0.112 R)
• M8: 1,406,669 km (0.036 R)
• M9: 1,573,171 km (0.074 R)
• M10: 1,771,987 km (0.081 R)
• M11: 2,095,118 km (0.073 R)
• M12: 2,315,027 km (0.109 R)
• M13: 2,494,694 km (0.053 R)
• M14: 2,689,022 km (0.095 R)
• M15: 2,788,056 km (0.047 R)
• M16: 2,939,149 km (0.061 R)
• M17: 3,186,584 km (0.061 R)
• M18: 3,462,443 km (0.083 R)
• M19: 3,559,831 km (0.088 R)
• M20: 3,835,241 km (0.112 R)
• M21: 3,947,289 km (0.105 R)
• M22: 4,072,054 km (0.072 R)
• M23: 4,244,092 km (0.041 R)
• M24: 4,739,111 km (0.076 R)
• M25: 4,957,075 km (0.049 R)
• M26: 5,440,575 km (0.056 R)
• M27: 5,579,701 km (0.114 R)
• M28: 5,745,755 km (0.115 R)
• M29: 5,835,813 km (0.097 R)
• M30: 5,952,350 km (0.086 R)
• M31: 6,069,634 km (0.045 R)
• M32: 6,493,146 km (0.105 R)
• M33: 6,789,799 km (0.06 R)
• M34: 6,980,985 km (0.078 R)
• M35: 7,410,779 km (0.088 R)
• M36: 7,565,464 km (0.096 R)
• M37: 7,777,892 km (0.083 R)
• M38: 8,021,288 km (0.113 R)
• M39: 8,354,443 km (0.119 R)
• M40: 8,544,881 km (0.058 R)
• M41: 8,647,954 km (0.115 R)
• M42: 8,736,665 km (0.114 R)
• M43: 9,019,704 km (0.065 R)
• M44: 9,124,722 km (0.076 R)
• M45: 9,381,432 km (0.092 R)
• M46: 9,533,573 km (0.076 R)
• M47: 9,855,807 km (0.052 R)
• M48: 10,212,897 km (0.083 R)
• M49: 10,322,403 km (0.119 R)
• M50: 10,416,649 km (0.059 R)
• M51: 10,558,468 km (0.06 R)
• M52: 10,764,464 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 875.8

Radius: 11.7

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 1.59 AU - 2.29 AU

Year: 1718 Days

Day: 11.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 74,223,629 km

• M1: 163,959 km (0.109 R)
• M2: 241,002 km (0.055 R)
• M3: 339,886 km (0.114 R)
• M4: 687,552 km (0.061 R)
• M5: 774,917 km (0.117 R)
• M6: 1,165,218 km (0.102 R)
• M7: 1,272,180 km (0.057 R)
• M8: 1,423,573 km (0.095 R)
• M9: 1,549,236 km (0.12 R)
• M10: 1,635,105 km (0.076 R)
• M11: 1,733,839 km (0.097 R)
• M12: 1,948,961 km (0.113 R)
• M13: 2,053,979 km (0.113 R)
• M14: 2,257,731 km (0.116 R)
• M15: 2,380,701 km (0.11 R)
• M16: 2,698,297 km (0.115 R)
• M17: 3,111,037 km (0.116 R)
• M18: 3,486,977 km (0.094 R)
• M19: 3,601,270 km (0.055 R)
• M20: 3,760,442 km (0.072 R)
• M21: 3,862,916 km (0.111 R)
• M22: 4,221,502 km (0.056 R)
• M23: 4,312,907 km (0.078 R)
• M24: 4,420,318 km (0.072 R)
• M25: 4,906,960 km (0.077 R)
• M26: 5,148,710 km (0.109 R)
• M27: 5,230,091 km (0.109 R)
• M28: 5,328,377 km (0.095 R)
• M29: 5,410,805 km (0.052 R)
• M30: 5,543,499 km (0.093 R)
• M31: 5,677,389 km (0.081 R)
• M32: 5,778,517 km (0.099 R)
• M33: 5,880,094 km (0.105 R)
• M34: 6,258,128 km (0.062 R)
• M35: 7,092,285 km (0.082 R)
• M36: 7,219,444 km (0.105 R)
• M37: 7,402,551 km (0.039 R)
• M38: 7,494,704 km (0.103 R)
• M39: 7,773,405 km (0.087 R)
• M40: 7,885,902 km (0.08 R)
• M41: 8,055,546 km (0.067 R)
• M42: 8,610,704 km (0.046 R)
• M43: 9,198,025 km (0.086 R)
• M44: 9,316,955 km (0.082 R)
• M45: 9,798,212 km (0.083 R)
• M46: 9,960,525 km (0.116 R)
• M47: 10,226,062 km (0.096 R)
• M48: 10,308,191 km (0.098 R)
• M49: 10,680,690 km (0.06 R)
• M50: 11,036,583 km (0.11 R)
• M51: 11,142,049 km (0.069 R)
• M52: 11,396,515 km (0.102 R)
• M53: 11,717,253 km (0.106 R)
• M54: 12,106,058 km (0.068 R)
• M55: 12,192,974 km (0.041 R)
• M56: 12,521,043 km (0.065 R)
• M57: 12,609,006 km (0.1 R)
• M58: 13,007,535 km (0.096 R)
• M59: 13,432,692 km (0.056 R)
• M60: 13,567,779 km (0.108 R)
• M61: 13,658,286 km (0.104 R)
• M62: 14,021,808 km (0.055 R)
• M63: 14,503,813 km (0.04 R)
• M64: 14,642,490 km (0.114 R)
• M65: 14,898,003 km (0.053 R)
• M66: 15,061,364 km (0.117 R)
• M67: 15,225,323 km (0.111 R)
• M68: 15,792,000 km (0.039 R)
• M69: 15,934,716 km (0.105 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 569.1

Radius: 7.2

Gravity: 10.98 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 8.12 AU - 12.56 AU

Year: 21140 Days

Day: 16.6 Hours

Environment

Temp: -225 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 74,223,629 km

• M1: 115,789 km (0.053 R)
• M2: 331,509 km (0.088 R)
• M3: 554,260 km (0.107 R)
• M4: 1,072,018 km (0.113 R)
• M5: 1,404,126 km (0.077 R)
• M6: 1,767,050 km (0.033 R)
• M7: 2,329,239 km (0.057 R)
• M8: 2,757,388 km (0.109 R)
• M9: 2,831,140 km (0.069 R)
• M10: 4,014,608 km (0.069 R)
• M11: 5,194,337 km (0.085 R)
• M12: 9,356,300 km (0.093 R)
• M13: 9,411,950 km (0.031 R)
• M14: 9,748,246 km (0.096 R)
• M15: 10,202,724 km (0.043 R)
• M16: 11,666,988 km (0.103 R)
• M17: 11,907,392 km (0.065 R)
• M18: 12,947,097 km (0.074 R)
• M19: 13,258,410 km (0.106 R)
• M20: 13,572,267 km (0.04 R)
• M21: 14,207,160 km (0.086 R)
• M22: 14,399,543 km (0.082 R)
• M23: 14,851,628 km (0.109 R)
• M24: 15,505,819 km (0.09 R)
• M25: 15,703,887 km (0.081 R)
• M26: 16,303,026 km (0.106 R)
• M27: 16,437,216 km (0.114 R)
• M28: 16,639,173 km (0.104 R)
• M29: 16,909,795 km (0.118 R)
• M30: 17,386,713 km (0.112 R)
• M31: 17,592,560 km (0.092 R)
• M32: 18,914,556 km (0.116 R)
• M33: 19,126,237 km (0.116 R)
• M34: 19,551,843 km (0.097 R)
• M35: 20,196,161 km (0.074 R)
• M36: 20,340,224 km (0.097 R)
• M37: 21,212,230 km (0.091 R)
• M38: 21,432,139 km (0.116 R)
• M39: 21,948,252 km (0.104 R)
• M40: 23,067,692 km (0.095 R)
• M41: 24,052,944 km (0.12 R)
• M42: 25,517,507 km (0.035 R)
• M43: 25,595,448 km (0.118 R)
• M44: 26,694,094 km (0.11 R)
• M45: 27,010,793 km (0.117 R)
• M46: 27,808,000 km (0.03 R)
• M47: 28,612,986 km (0.096 R)
• M48: 29,018,247 km (0.111 R)
• M49: 29,343,922 km (0.101 R)
• M50: 30,245,697 km (0.084 R)
• M51: 30,493,282 km (0.115 R)
• M52: 31,490,053 km (0.114 R)
• M53: 34,028,429 km (0.094 R)
• M54: 34,975,533 km (0.092 R)
• M55: 35,931,314 km (0.093 R)
• M56: 37,957,318 km (0.064 R)
• M57: 38,402,521 km (0.113 R)
• M58: 38,670,601 km (0.086 R)
• M59: 40,382,449 km (0.106 R)
• M60: 42,118,981 km (0.028 R)
• M61: 43,786,399 km (0.096 R)
• M62: 44,159,945 km (0.06 R)
• M63: 44,816,081 km (0.119 R)
• M64: 46,613,201 km (0.113 R)
• M65: 47,472,640 km (0.095 R)
• M66: 48,723,428 km (0.039 R)
• M67: 48,820,068 km (0.118 R)
• M68: 49,595,584 km (0.077 R)
• M69: 50,179,913 km (0.073 R)
• M70: 50,375,138 km (0.105 R)
• M71: 52,539,969 km (0.058 R)
• M72: 54,634,489 km (0.113 R)
• M73: 54,734,869 km (0.047 R)
• M74: 55,237,967 km (0.097 R)
• M75: 55,843,539 km (0.082 R)
• M76: 56,045,945 km (0.117 R)
• M77: 56,147,222 km (0.088 R)
• M78: 56,451,355 km (0.095 R)
• M79: 58,083,019 km (0.111 R)
• M80: 58,185,493 km (0.096 R)
• M81: 58,698,913 km (0.08 R)
• M82: 59,110,756 km (0.12 R)
• M83: 60,559,462 km (0.108 R)
• M84: 61,915,118 km (0.106 R)
• M85: 62,334,291 km (0.118 R)
• M86: 63,280,797 km (0.12 R)
• M87: 66,577,336 km (0.109 R)
• M88: 67,544,935 km (0.094 R)
• M89: 70,256,695 km (0.072 R)
• M90: 71,022,337 km (0.105 R)
• M91: 73,557,423 km (0.099 R)
• M92: 74,223,582 km (0.105 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 388 - 10,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit