🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.63 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.43

Radius: 1.43

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 0.57 AU - 0.69 AU

Year: 181 Days

Day: 36.4 Hours

Environment

Temp: 228 °C

Axial Tilt: 48.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.18

Radius: 1.59

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.6 AU - 0.84 AU

Year: 221 Days

Day: 33.3 Hours

Environment

Temp: 134 °C

Axial Tilt: 2.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.87 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.96

Radius: 1.31

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 0.69 AU - 1.05 AU

Year: 293 Days

Day: 33.6 Hours

Environment

Temp: 107 °C

Axial Tilt: 45.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 1.16 AU - 1.88 AU

Year: 678 Days

Day: 16.6 Hours

Environment

Temp: -27 °C

Axial Tilt: 2.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 99,154,194 km

• M1: 958,025 km (0.054 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.6

Radius: 10.8

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.221

Orbit Range: 4.78 AU - 7.5 AU

Year: 5502 Days

Day: 14.7 Hours

Environment

Temp: -150 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 99,154,194 km

• M1: 261,048 km (0.112 R)
• M2: 351,705 km (0.116 R)
• M3: 457,321 km (0.062 R)
• M4: 615,146 km (0.077 R)
• M5: 696,228 km (0.116 R)
• M6: 770,728 km (0.027 R)
• M7: 1,122,433 km (0.103 R)
• M8: 1,316,760 km (0.102 R)
• M9: 1,384,079 km (0.029 R)
• M10: 1,536,370 km (0.115 R)
• M11: 1,665,323 km (0.093 R)
• M12: 1,753,437 km (0.076 R)
• M13: 1,843,046 km (0.103 R)
• M14: 2,089,882 km (0.073 R)
• M15: 2,233,496 km (0.079 R)
• M16: 2,347,490 km (0.106 R)
• M17: 2,497,088 km (0.087 R)
• M18: 2,911,474 km (0.111 R)
• M19: 3,218,299 km (0.054 R)
• M20: 3,329,001 km (0.04 R)
• M21: 4,000,696 km (0.057 R)
• M22: 4,140,121 km (0.112 R)
• M23: 4,464,748 km (0.064 R)
• M24: 4,588,615 km (0.097 R)
• M25: 4,734,773 km (0.042 R)
• M26: 4,946,005 km (0.103 R)
• M27: 5,052,818 km (0.117 R)
• M28: 5,225,454 km (0.068 R)
• M29: 5,510,138 km (0.117 R)
• M30: 5,687,861 km (0.108 R)
• M31: 5,935,296 km (0.092 R)
• M32: 6,163,283 km (0.071 R)
• M33: 6,746,116 km (0.117 R)
• M34: 7,493,357 km (0.072 R)
• M35: 7,814,544 km (0.11 R)
• M36: 8,039,539 km (0.118 R)
• M37: 8,521,693 km (0.107 R)
• M38: 8,831,062 km (0.119 R)
• M39: 9,275,517 km (0.083 R)
• M40: 9,567,233 km (0.104 R)
• M41: 10,105,037 km (0.086 R)
• M42: 10,213,795 km (0.11 R)
• M43: 10,350,377 km (0.05 R)
• M44: 10,763,567 km (0.076 R)
• M45: 10,930,368 km (0.115 R)
• M46: 11,182,142 km (0.096 R)
• M47: 11,266,515 km (0.095 R)
• M48: 11,978,002 km (0.105 R)
• M49: 12,064,320 km (0.078 R)
• M50: 12,499,052 km (0.115 R)
• M51: 12,615,888 km (0.074 R)
• M52: 13,086,971 km (0.11 R)
• M53: 13,985,606 km (0.079 R)
• M54: 14,289,439 km (0.062 R)
• M55: 15,183,286 km (0.118 R)
• M56: 15,308,051 km (0.118 R)
• M57: 15,495,796 km (0.099 R)
• M58: 15,715,705 km (0.092 R)
• M59: 15,968,376 km (0.092 R)
• M60: 16,286,122 km (0.06 R)
• M61: 17,676,185 km (0.081 R)
• M62: 18,136,947 km (0.114 R)
• M63: 18,468,456 km (0.119 R)
• M64: 18,701,679 km (0.084 R)
• M65: 19,441,141 km (0.115 R)
• M66: 19,610,635 km (0.06 R)
• M67: 20,053,445 km (0.079 R)
• M68: 20,775,554 km (0.066 R)
• M69: 21,052,908 km (0.108 R)
• M70: 22,387,172 km (0.119 R)
• M71: 22,564,744 km (0.067 R)
• M72: 22,707,162 km (0.115 R)
• M73: 23,028,797 km (0.12 R)
• M74: 23,531,895 km (0.092 R)
• M75: 24,366,352 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.8

Radius: 14

Gravity: 3.18 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 9.1 AU - 11.96 AU

Year: 12358 Days

Day: 13.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 41.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 99,154,194 km

• M1: 182,809 km (0.115 R)
• M2: 292,314 km (0.079 R)
• M3: 410,646 km (0.102 R)
• M4: 880,832 km (0.103 R)
• M5: 1,078,301 km (0.079 R)
• M6: 1,885,831 km (0.075 R)
• M7: 2,616,317 km (0.112 R)
• M8: 3,241,337 km (0.108 R)
• M9: 3,334,387 km (0.092 R)
• M10: 3,587,058 km (0.052 R)
• M11: 3,683,548 km (0.102 R)
• M12: 3,911,984 km (0.105 R)
• M13: 4,521,147 km (0.119 R)
• M14: 4,979,814 km (0.076 R)
• M15: 5,752,188 km (0.075 R)
• M16: 6,171,959 km (0.075 R)
• M17: 6,365,988 km (0.118 R)
• M18: 7,122,055 km (0.119 R)
• M19: 7,325,808 km (0.103 R)
• M20: 7,614,382 km (0.084 R)
• M21: 8,805,779 km (0.073 R)
• M22: 8,892,995 km (0.113 R)
• M23: 9,156,886 km (0.055 R)
• M24: 9,245,298 km (0.1 R)
• M25: 10,421,736 km (0.078 R)
• M26: 10,699,988 km (0.05 R)
• M27: 10,933,660 km (0.074 R)
• M28: 11,074,730 km (0.12 R)
• M29: 11,311,245 km (0.079 R)
• M30: 12,322,526 km (0.107 R)
• M31: 12,863,921 km (0.115 R)
• M32: 13,262,450 km (0.08 R)
• M33: 14,741,524 km (0.106 R)
• M34: 14,949,614 km (0.043 R)
• M35: 15,421,446 km (0.083 R)
• M36: 15,632,678 km (0.117 R)
• M37: 16,111,541 km (0.086 R)
• M38: 16,433,476 km (0.059 R)
• M39: 17,138,381 km (0.117 R)
• M40: 17,687,405 km (0.064 R)
• M41: 18,019,662 km (0.087 R)
• M42: 18,465,763 km (0.115 R)
• M43: 18,859,056 km (0.089 R)
• M44: 20,055,839 km (0.11 R)
• M45: 20,228,774 km (0.083 R)
• M46: 20,518,096 km (0.063 R)
• M47: 22,104,432 km (0.113 R)
• M48: 23,426,129 km (0.104 R)
• M49: 24,403,302 km (0.12 R)
• M50: 25,145,008 km (0.069 R)
• M51: 26,777,271 km (0.07 R)
• M52: 27,095,166 km (0.102 R)
• M53: 27,286,502 km (0.057 R)
• M54: 29,354,842 km (0.064 R)
• M55: 29,551,414 km (0.12 R)
• M56: 29,879,931 km (0.098 R)
• M57: 31,005,804 km (0.091 R)
• M58: 31,876,165 km (0.1 R)
• M59: 32,010,803 km (0.1 R)
• M60: 32,415,764 km (0.091 R)
• M61: 34,190,294 km (0.088 R)
• M62: 34,535,117 km (0.09 R)
• M63: 34,881,137 km (0.094 R)
• M64: 35,297,917 km (0.085 R)
• M65: 35,996,240 km (0.083 R)
• M66: 36,206,574 km (0.085 R)
• M67: 36,840,121 km (0.09 R)
• M68: 38,475,974 km (0.114 R)
• M69: 38,906,517 km (0.084 R)
• M70: 40,208,018 km (0.053 R)
• M71: 40,864,154 km (0.104 R)
• M72: 41,010,311 km (0.067 R)
• M73: 42,039,246 km (0.088 R)
• M74: 42,408,752 km (0.117 R)
• M75: 44,047,298 km (0.063 R)
• M76: 45,100,916 km (0.105 R)
• M77: 46,315,052 km (0.071 R)
• M78: 46,620,381 km (0.092 R)
• M79: 48,233,794 km (0.075 R)
• M80: 50,021,788 km (0.118 R)
• M81: 50,884,519 km (0.093 R)

Planet 7 - Gas Giant

Semi-Major Axis: 10.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.7

Radius: 12.9

Gravity: 1.83 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 9.57 AU - 11.73 AU

Year: 12569 Days

Day: 11.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (88)

Outer Limit: 99,154,194 km

• M1: 216,169 km (0.112 R)
• M2: 474,973 km (0.119 R)
• M3: 565,630 km (0.046 R)
• M4: 963,560 km (0.091 R)
• M5: 1,067,530 km (0.067 R)
• M6: 1,325,886 km (0.106 R)
• M7: 1,503,010 km (0.11 R)
• M8: 1,604,886 km (0.109 R)
• M9: 2,059,215 km (0.066 R)
• M10: 3,057,780 km (0.039 R)
• M11: 3,295,192 km (0.076 R)
• M12: 3,900,914 km (0.061 R)
• M13: 4,158,821 km (0.101 R)
• M14: 4,631,251 km (0.105 R)
• M15: 5,121,034 km (0.073 R)
• M16: 5,984,812 km (0.104 R)
• M17: 6,586,046 km (0.064 R)
• M18: 6,756,438 km (0.083 R)
• M19: 7,171,423 km (0.111 R)
• M20: 7,594,934 km (0.058 R)
• M21: 7,773,704 km (0.113 R)
• M22: 8,099,229 km (0.116 R)
• M23: 8,245,386 km (0.109 R)
• M24: 8,392,291 km (0.111 R)
• M25: 8,503,143 km (0.054 R)
• M26: 9,026,736 km (0.101 R)
• M27: 9,638,142 km (0.096 R)
• M28: 9,948,857 km (0.084 R)
• M29: 10,460,930 km (0.108 R)
• M30: 10,580,309 km (0.063 R)
• M31: 11,021,922 km (0.095 R)
• M32: 11,184,086 km (0.111 R)
• M33: 11,592,788 km (0.116 R)
• M34: 12,006,426 km (0.102 R)
• M35: 12,131,490 km (0.092 R)
• M36: 12,467,187 km (0.117 R)
• M37: 13,883,879 km (0.027 R)
• M38: 14,633,514 km (0.09 R)
• M39: 15,532,298 km (0.115 R)
• M40: 16,264,281 km (0.08 R)
• M41: 16,680,911 km (0.106 R)
• M42: 16,820,635 km (0.101 R)
• M43: 16,913,984 km (0.104 R)
• M44: 17,477,519 km (0.071 R)
• M45: 17,856,750 km (0.051 R)
• M46: 18,190,802 km (0.112 R)
• M47: 19,302,912 km (0.104 R)
• M48: 19,744,077 km (0.114 R)
• M49: 20,040,131 km (0.099 R)
• M50: 21,795,811 km (0.104 R)
• M51: 21,948,551 km (0.078 R)
• M52: 22,152,752 km (0.074 R)
• M53: 22,409,013 km (0.12 R)
• M54: 22,666,172 km (0.113 R)
• M55: 22,872,766 km (0.057 R)
• M56: 23,131,720 km (0.077 R)
• M57: 23,548,051 km (0.115 R)
• M58: 23,966,925 km (0.058 R)
• M59: 24,652,832 km (0.089 R)
• M60: 25,024,881 km (0.027 R)
• M61: 25,238,358 km (0.11 R)
• M62: 25,505,988 km (0.096 R)
• M63: 25,613,250 km (0.081 R)
• M64: 26,314,565 km (0.096 R)
• M65: 26,477,327 km (0.071 R)
• M66: 27,515,686 km (0.11 R)
• M67: 27,901,648 km (0.057 R)
• M68: 28,122,904 km (0.097 R)
• M69: 28,233,905 km (0.088 R)
• M70: 28,678,809 km (0.093 R)
• M71: 29,126,257 km (0.086 R)
• M72: 29,575,798 km (0.108 R)
• M73: 30,425,215 km (0.055 R)
• M74: 30,995,781 km (0.097 R)
• M75: 32,379,861 km (0.097 R)
• M76: 33,196,515 km (0.064 R)
• M77: 33,313,651 km (0.046 R)
• M78: 34,138,084 km (0.049 R)
• M79: 34,790,481 km (0.112 R)
• M80: 35,746,860 km (0.106 R)
• M81: 37,869,055 km (0.119 R)
• M82: 38,114,097 km (0.067 R)
• M83: 38,421,371 km (0.06 R)
• M84: 38,544,340 km (0.118 R)
• M85: 38,852,661 km (0.119 R)
• M86: 40,281,471 km (0.026 R)
• M87: 41,033,649 km (0.12 R)
• M88: 42,615,796 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 18.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.3

Radius: 6.2

Gravity: 19.52 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 13.93 AU - 22.77 AU

Year: 28428 Days

Day: 24.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 99,154,194 km

• M1: 259,104 km (0.076 R)
• M2: 378,632 km (0.089 R)
• M3: 782,247 km (0.075 R)
• M4: 929,900 km (0.079 R)
• M5: 991,535 km (0.053 R)
• M6: 1,285,943 km (0.074 R)
• M7: 1,533,229 km (0.118 R)
• M8: 2,619,608 km (0.102 R)
• M9: 3,304,617 km (0.065 R)
• M10: 4,042,134 km (0.105 R)
• M11: 4,144,310 km (0.112 R)
• M12: 4,561,239 km (0.107 R)
• M13: 5,434,741 km (0.052 R)
• M14: 5,604,235 km (0.102 R)
• M15: 5,661,083 km (0.095 R)
• M16: 6,838,717 km (0.099 R)
• M17: 7,643,404 km (0.085 R)
• M18: 8,347,412 km (0.11 R)
• M19: 8,477,711 km (0.1 R)
• M20: 8,872,500 km (0.088 R)
• M21: 9,072,064 km (0.104 R)
• M22: 9,340,592 km (0.1 R)
• M23: 9,679,880 km (0.095 R)
• M24: 9,748,246 km (0.089 R)
• M25: 10,161,735 km (0.065 R)
• M26: 11,799,083 km (0.115 R)
• M27: 12,239,499 km (0.074 R)
• M28: 12,910,296 km (0.064 R)
• M29: 15,390,180 km (0.087 R)
• M30: 17,095,147 km (0.078 R)
• M31: 18,180,330 km (0.098 R)
• M32: 18,349,376 km (0.076 R)
• M33: 18,518,720 km (0.087 R)
• M34: 20,154,274 km (0.088 R)
• M35: 21,566,927 km (0.115 R)
• M36: 24,486,778 km (0.065 R)
• M37: 24,673,326 km (0.12 R)
• M38: 25,707,945 km (0.105 R)
• M39: 25,802,641 km (0.118 R)
• M40: 27,819,220 km (0.053 R)
• M41: 27,916,459 km (0.05 R)
• M42: 28,111,385 km (0.117 R)
• M43: 29,488,283 km (0.068 R)
• M44: 30,385,123 km (0.105 R)
• M45: 35,001,115 km (0.105 R)
• M46: 35,738,483 km (0.099 R)
• M47: 38,089,413 km (0.067 R)
• M48: 38,739,117 km (0.036 R)
• M49: 38,956,632 km (0.073 R)
• M50: 39,501,916 km (0.045 R)
• M51: 41,152,878 km (0.108 R)
• M52: 41,374,732 km (0.101 R)
• M53: 41,485,734 km (0.092 R)
• M54: 42,154,286 km (0.074 R)
• M55: 46,008,975 km (0.029 R)
• M56: 47,512,284 km (0.108 R)
• M57: 47,861,445 km (0.074 R)
• M58: 48,211,504 km (0.064 R)
• M59: 48,562,461 km (0.105 R)
• M60: 52,478,185 km (0.107 R)
• M61: 54,291,162 km (0.117 R)
• M62: 55,266,540 km (0.105 R)
• M63: 57,358,367 km (0.116 R)
• M64: 58,102,766 km (0.11 R)
• M65: 61,238,936 km (0.118 R)
• M66: 62,763,637 km (0.117 R)
• M67: 63,915,391 km (0.117 R)
• M68: 64,429,559 km (0.096 R)
• M69: 64,687,166 km (0.029 R)
• M70: 66,890,444 km (0.084 R)
• M71: 67,020,744 km (0.076 R)
• M72: 67,935,684 km (0.09 R)
• M73: 70,439,803 km (0.108 R)
• M74: 71,103,868 km (0.119 R)
• M75: 73,242,669 km (0.084 R)
• M76: 78,681,000 km (0.116 R)
• M77: 78,818,630 km (0.099 R)
• M78: 81,309,584 km (0.098 R)
• M79: 81,448,710 km (0.077 R)
• M80: 82,564,561 km (0.052 R)
• M81: 85,376,552 km (0.103 R)
• M82: 86,226,268 km (0.106 R)
• M83: 86,794,291 km (0.118 R)
• M84: 87,078,677 km (0.062 R)
• M85: 90,084,397 km (0.036 R)
• M86: 90,660,648 km (0.084 R)
• M87: 91,672,229 km (0.048 R)
• M88: 92,687,550 km (0.12 R)
• M89: 93,560,752 km (0.054 R)
• M90: 94,582,955 km (0.068 R)
• M91: 95,022,174 km (0.073 R)
• M92: 96,638,429 km (0.082 R)
• M93: 97,819,654 km (0.088 R)
• M94: 98,708,714 km (0.109 R)

Kuiper Belt

Range: 30.3 - 60.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 473 - 11,100 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit