🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.55 AU - 0.89 AU

Year: 228 Days

Day: 14.2 Hours

Environment

Temp: 128 °C

Axial Tilt: 33.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.03 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.26

Radius: 1.6

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 0.8 AU - 1.26 AU

Year: 390 Days

Day: 16.5 Hours

Environment

Temp: 10 °C

Axial Tilt: 25.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2

Radius: 1.32

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.42 AU - 1.58 AU

Year: 685 Days

Day: 37.2 Hours

Environment

Temp: -35 °C

Axial Tilt: 16 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 76,966,877 km

• M1: 164,408 km (0.098 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.65

Radius: 1.48

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.4 AU - 1.62 AU

Year: 692 Days

Day: 32.9 Hours

Environment

Temp: -51 °C

Axial Tilt: 39.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 76,966,877 km

• M1: 51,312 km (0.112 R)
• M2: 345,421 km (0.044 R)

Planet 5 - Terrestrial

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.92 AU - 2.4 AU

Year: 1183 Days

Day: 42.8 Hours

Environment

Temp: -76 °C

Axial Tilt: 23.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.6 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 9.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.8

Radius: 9.1

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 7.02 AU - 11.06 AU

Year: 10132 Days

Day: 10.4 Hours

Environment

Temp: -166 °C

Axial Tilt: 113.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 76,966,877 km

• M1: 149,299 km (0.057 R)
• M2: 235,168 km (0.077 R)
• M3: 547,827 km (0.101 R)
• M4: 1,192,295 km (0.115 R)
• M5: 2,006,257 km (0.111 R)
• M6: 2,372,024 km (0.075 R)
• M7: 2,618,412 km (0.108 R)
• M8: 3,165,491 km (0.117 R)
• M9: 3,345,457 km (0.095 R)
• M10: 3,747,427 km (0.098 R)
• M11: 3,842,272 km (0.032 R)
• M12: 4,164,655 km (0.106 R)
• M13: 4,698,420 km (0.107 R)
• M14: 5,078,100 km (0.055 R)
• M15: 5,289,332 km (0.063 R)
• M16: 5,360,391 km (0.117 R)
• M17: 5,539,460 km (0.116 R)
• M18: 6,502,271 km (0.107 R)
• M19: 7,476,303 km (0.116 R)
• M20: 7,596,131 km (0.116 R)
• M21: 8,746,240 km (0.087 R)
• M22: 9,470,742 km (0.08 R)
• M23: 9,905,922 km (0.086 R)
• M24: 10,481,575 km (0.086 R)
• M25: 11,022,371 km (0.093 R)
• M26: 11,711,269 km (0.067 R)
• M27: 12,084,366 km (0.075 R)
• M28: 12,890,250 km (0.091 R)
• M29: 13,130,504 km (0.105 R)
• M30: 13,958,678 km (0.055 R)
• M31: 14,703,376 km (0.113 R)
• M32: 15,818,928 km (0.081 R)
• M33: 16,699,461 km (0.047 R)
• M34: 17,224,848 km (0.109 R)
• M35: 18,023,252 km (0.061 R)
• M36: 19,106,341 km (0.1 R)
• M37: 20,995,463 km (0.118 R)
• M38: 21,165,107 km (0.074 R)
• M39: 21,733,579 km (0.115 R)
• M40: 22,769,394 km (0.064 R)
• M41: 23,176,450 km (0.098 R)
• M42: 23,821,217 km (0.087 R)
• M43: 23,998,042 km (0.076 R)
• M44: 25,790,523 km (0.068 R)
• M45: 25,972,135 km (0.082 R)
• M46: 26,154,046 km (0.098 R)
• M47: 27,255,236 km (0.077 R)
• M48: 27,811,441 km (0.052 R)
• M49: 27,935,458 km (0.119 R)
• M50: 28,122,006 km (0.112 R)
• M51: 28,371,386 km (0.07 R)
• M52: 28,621,513 km (0.066 R)
• M53: 28,746,727 km (0.089 R)
• M54: 28,809,558 km (0.116 R)
• M55: 29,123,863 km (0.105 R)
• M56: 29,186,844 km (0.104 R)
• M57: 29,819,344 km (0.116 R)
• M58: 29,946,352 km (0.119 R)
• M59: 30,009,931 km (0.099 R)
• M60: 30,520,210 km (0.076 R)
• M61: 30,712,293 km (0.11 R)
• M62: 32,786,468 km (0.096 R)
• M63: 33,246,182 km (0.101 R)
• M64: 33,641,868 km (0.056 R)
• M65: 34,438,028 km (0.079 R)
• M66: 34,638,041 km (0.069 R)
• M67: 35,643,937 km (0.091 R)
• M68: 36,931,825 km (0.087 R)
• M69: 37,478,605 km (0.051 R)
• M70: 37,615,786 km (0.111 R)
• M71: 37,890,448 km (0.068 R)
• M72: 38,372,901 km (0.07 R)
• M73: 38,580,244 km (0.067 R)
• M74: 40,042,264 km (0.114 R)
• M75: 40,112,275 km (0.063 R)
• M76: 40,322,760 km (0.116 R)
• M77: 41,239,047 km (0.07 R)
• M78: 41,309,806 km (0.041 R)
• M79: 41,877,381 km (0.069 R)
• M80: 42,948,501 km (0.051 R)
• M81: 43,163,773 km (0.105 R)
• M82: 45,190,674 km (0.103 R)
• M83: 45,263,678 km (0.089 R)
• M84: 45,409,686 km (0.071 R)
• M85: 45,922,058 km (0.074 R)
• M86: 47,248,393 km (0.076 R)
• M87: 47,693,297 km (0.118 R)
• M88: 47,990,698 km (0.031 R)
• M89: 48,886,490 km (0.116 R)
• M90: 49,036,237 km (0.114 R)
• M91: 50,164,953 km (0.094 R)
• M92: 50,316,047 km (0.054 R)

Planet 7 - Ice Giant

Semi-Major Axis: 15.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.6

Radius: 7.1

Gravity: 11.93 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 14.01 AU - 16.99 AU

Year: 22748 Days

Day: 19 Hours

Environment

Temp: -192 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (91)

Outer Limit: 76,966,877 km

• M1: 233,971 km (0.087 R)
• M2: 312,660 km (0.085 R)
• M3: 383,120 km (0.055 R)
• M4: 542,292 km (0.049 R)
• M5: 974,929 km (0.12 R)
• M6: 1,111,213 km (0.087 R)
• M7: 1,342,342 km (0.057 R)
• M8: 1,525,749 km (0.05 R)
• M9: 1,717,234 km (0.118 R)
• M10: 2,301,414 km (0.068 R)
• M11: 2,825,305 km (0.07 R)
• M12: 3,061,072 km (0.112 R)
• M13: 3,677,714 km (0.12 R)
• M14: 3,848,704 km (0.104 R)
• M15: 4,928,053 km (0.104 R)
• M16: 5,069,273 km (0.11 R)
• M17: 5,549,483 km (0.114 R)
• M18: 5,647,320 km (0.092 R)
• M19: 5,894,306 km (0.119 R)
• M20: 6,347,886 km (0.102 R)
• M21: 6,501,673 km (0.097 R)
• M22: 6,553,135 km (0.04 R)
• M23: 6,656,656 km (0.106 R)
• M24: 7,720,597 km (0.057 R)
• M25: 9,588,476 km (0.093 R)
• M26: 10,121,194 km (0.094 R)
• M27: 10,240,872 km (0.107 R)
• M28: 12,860,331 km (0.099 R)
• M29: 13,710,944 km (0.108 R)
• M30: 13,909,760 km (0.081 R)
• M31: 14,377,552 km (0.059 R)
• M32: 15,742,184 km (0.049 R)
• M33: 15,811,597 km (0.039 R)
• M34: 17,505,344 km (0.119 R)
• M35: 17,577,301 km (0.109 R)
• M36: 18,373,760 km (0.114 R)
• M37: 18,519,917 km (0.093 R)
• M38: 18,886,731 km (0.061 R)
• M39: 18,960,483 km (0.025 R)
• M40: 19,034,235 km (0.108 R)
• M41: 19,107,986 km (0.083 R)
• M42: 19,256,088 km (0.09 R)
• M43: 19,702,339 km (0.103 R)
• M44: 20,227,427 km (0.065 R)
• M45: 21,138,179 km (0.085 R)
• M46: 21,214,624 km (0.109 R)
• M47: 24,670,634 km (0.05 R)
• M48: 25,317,495 km (0.107 R)
• M49: 25,398,726 km (0.113 R)
• M50: 26,051,871 km (0.106 R)
• M51: 26,215,980 km (0.109 R)
• M52: 27,960,291 km (0.115 R)
• M53: 28,044,215 km (0.029 R)
• M54: 28,465,483 km (0.104 R)
• M55: 33,949,142 km (0.073 R)
• M56: 34,488,144 km (0.096 R)
• M57: 34,578,201 km (0.067 R)
• M58: 37,409,640 km (0.115 R)
• M59: 38,059,194 km (0.083 R)
• M60: 39,463,769 km (0.073 R)
• M61: 39,558,015 km (0.096 R)
• M62: 42,516,313 km (0.113 R)
• M63: 42,903,173 km (0.058 R)
• M64: 43,485,707 km (0.105 R)
• M65: 43,777,872 km (0.03 R)
• M66: 43,973,097 km (0.099 R)
• M67: 44,070,785 km (0.076 R)
• M68: 44,266,459 km (0.053 R)
• M69: 45,150,283 km (0.098 R)
• M70: 46,437,273 km (0.034 R)
• M71: 48,844,752 km (0.079 R)
• M72: 49,249,863 km (0.114 R)
• M73: 49,757,897 km (0.064 R)
• M74: 53,362,458 km (0.107 R)
• M75: 56,412,310 km (0.063 R)
• M76: 61,037,427 km (0.096 R)
• M77: 61,364,598 km (0.03 R)
• M78: 62,020,734 km (0.094 R)
• M79: 62,679,114 km (0.083 R)
• M80: 65,001,920 km (0.044 R)
• M81: 65,113,221 km (0.037 R)
• M82: 66,006,021 km (0.113 R)
• M83: 66,229,820 km (0.112 R)
• M84: 66,341,869 km (0.087 R)
• M85: 67,916,685 km (0.1 R)
• M86: 69,276,231 km (0.03 R)
• M87: 72,367,970 km (0.1 R)
• M88: 72,945,418 km (0.101 R)
• M89: 74,920,110 km (0.063 R)
• M90: 75,153,632 km (0.118 R)
• M91: 76,442,118 km (0.097 R)

Planet 8 - Ice Giant

Semi-Major Axis: 16.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 421.3

Radius: 6.5

Gravity: 9.97 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 16.01 AU - 17.83 AU

Year: 25945 Days

Day: 20.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (95)

Outer Limit: 76,966,877 km

• M1: 157,676 km (0.077 R)
• M2: 266,583 km (0.102 R)
• M3: 628,012 km (0.102 R)
• M4: 742,604 km (0.08 R)
• M5: 814,860 km (0.087 R)
• M6: 1,267,842 km (0.091 R)
• M7: 1,597,256 km (0.11 R)
• M8: 1,787,994 km (0.119 R)
• M9: 2,296,627 km (0.106 R)
• M10: 2,659,551 km (0.084 R)
• M11: 4,370,053 km (0.113 R)
• M12: 4,818,248 km (0.04 R)
• M13: 5,140,632 km (0.029 R)
• M14: 7,009,408 km (0.113 R)
• M15: 7,165,140 km (0.066 R)
• M16: 7,217,200 km (0.11 R)
• M17: 7,692,323 km (0.069 R)
• M18: 8,068,860 km (0.114 R)
• M19: 9,461,916 km (0.08 R)
• M20: 10,450,907 km (0.054 R)
• M21: 11,229,265 km (0.09 R)
• M22: 11,840,522 km (0.08 R)
• M23: 12,462,699 km (0.039 R)
• M24: 13,544,591 km (0.085 R)
• M25: 13,738,620 km (0.117 R)
• M26: 13,998,621 km (0.095 R)
• M27: 15,932,921 km (0.1 R)
• M28: 16,069,354 km (0.032 R)
• M29: 16,274,752 km (0.116 R)
• M30: 16,481,048 km (0.076 R)
• M31: 17,384,918 km (0.107 R)
• M32: 17,736,922 km (0.054 R)
• M33: 18,662,933 km (0.12 R)
• M34: 19,240,530 km (0.068 R)
• M35: 20,118,071 km (0.053 R)
• M36: 20,784,679 km (0.042 R)
• M37: 21,609,263 km (0.083 R)
• M38: 22,750,844 km (0.114 R)
• M39: 22,904,631 km (0.099 R)
• M40: 22,981,524 km (0.088 R)
• M41: 23,058,717 km (0.12 R)
• M42: 23,213,102 km (0.113 R)
• M43: 24,775,651 km (0.084 R)
• M44: 25,649,602 km (0.036 R)
• M45: 25,889,707 km (0.091 R)
• M46: 26,130,559 km (0.056 R)
• M47: 28,579,327 km (0.112 R)
• M48: 29,663,014 km (0.119 R)
• M49: 29,746,938 km (0.111 R)
• M50: 29,999,160 km (0.094 R)
• M51: 30,252,130 km (0.085 R)
• M52: 31,271,041 km (0.08 R)
• M53: 32,820,277 km (0.105 R)
• M54: 33,604,319 km (0.12 R)
• M55: 34,836,108 km (0.105 R)
• M56: 36,801,375 km (0.09 R)
• M57: 38,161,818 km (0.106 R)
• M58: 39,538,717 km (0.053 R)
• M59: 44,820,868 km (0.101 R)
• M60: 45,496,602 km (0.117 R)
• M61: 45,884,210 km (0.075 R)
• M62: 46,565,180 km (0.079 R)
• M63: 47,151,454 km (0.081 R)
• M64: 47,347,427 km (0.117 R)
• M65: 49,024,269 km (0.098 R)
• M66: 49,521,234 km (0.112 R)
• M67: 49,720,498 km (0.098 R)
• M68: 50,019,843 km (0.027 R)
• M69: 53,760,538 km (0.092 R)
• M70: 54,375,535 km (0.114 R)
• M71: 55,095,998 km (0.113 R)
• M72: 56,234,588 km (0.109 R)
• M73: 56,442,379 km (0.113 R)
• M74: 59,802,646 km (0.069 R)
• M75: 60,227,205 km (0.119 R)
• M76: 60,865,838 km (0.1 R)
• M77: 61,292,940 km (0.07 R)
• M78: 61,828,202 km (0.035 R)
• M79: 63,767,738 km (0.092 R)
• M80: 63,876,047 km (0.104 R)
• M81: 64,310,030 km (0.119 R)
• M82: 64,636,154 km (0.103 R)
• M83: 64,962,875 km (0.063 R)
• M84: 66,934,426 km (0.071 R)
• M85: 67,706,500 km (0.057 R)
• M86: 67,817,053 km (0.032 R)
• M87: 68,481,417 km (0.083 R)
• M88: 68,592,419 km (0.1 R)
• M89: 72,287,187 km (0.052 R)
• M90: 72,852,667 km (0.066 R)
• M91: 73,760,427 km (0.065 R)
• M92: 74,786,070 km (0.047 R)
• M93: 75,014,655 km (0.051 R)
• M94: 75,243,391 km (0.097 R)
• M95: 76,046,133 km (0.088 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 161 - 17,432 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit