🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.78 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.11

Radius: 1.76

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.65 AU - 0.91 AU

Year: 260 Days

Day: 29.6 Hours

Environment

Temp: 146 °C

Axial Tilt: 10.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.11 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.27

Radius: 1.61

Gravity: 1.26 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 1.02 AU - 1.2 AU

Year: 441 Days

Day: 43.4 Hours

Environment

Temp: -5 °C

Axial Tilt: 12.2 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 3 - Terrestrial

Semi-Major Axis: 1.16 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.77

Radius: 0.9

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.05 AU - 1.27 AU

Year: 471 Days

Day: 36.6 Hours

Environment

Temp: -16 °C

Axial Tilt: 0.6 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 48,572,709 km

• M1: 560,543 km (0.055 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.01

Radius: 1.74

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.24 AU - 1.34 AU

Year: 552 Days

Day: 14 Hours

Environment

Temp: -33 °C

Axial Tilt: 12.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Gas Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.9

Radius: 11.7

Gravity: 5.76 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 7.33 AU - 11.75 AU

Year: 11101 Days

Day: 10.7 Hours

Environment

Temp: -177 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (81)

Outer Limit: 48,572,709 km

• M1: 332,855 km (0.107 R)
• M2: 512,223 km (0.072 R)
• M3: 1,226,403 km (0.088 R)
• M4: 1,337,854 km (0.099 R)
• M5: 1,742,666 km (0.097 R)
• M6: 2,294,532 km (0.092 R)
• M7: 2,720,736 km (0.108 R)
• M8: 2,958,298 km (0.107 R)
• M9: 3,049,253 km (0.089 R)
• M10: 3,233,857 km (0.111 R)
• M11: 3,390,636 km (0.089 R)
• M12: 3,646,747 km (0.056 R)
• M13: 4,009,373 km (0.095 R)
• M14: 4,698,420 km (0.116 R)
• M15: 5,498,619 km (0.112 R)
• M16: 5,876,504 km (0.115 R)
• M17: 6,498,532 km (0.118 R)
• M18: 6,577,669 km (0.059 R)
• M19: 7,141,503 km (0.108 R)
• M20: 7,264,323 km (0.114 R)
• M21: 8,144,108 km (0.095 R)
• M22: 8,661,866 km (0.095 R)
• M23: 8,880,728 km (0.105 R)
• M24: 10,324,946 km (0.048 R)
• M25: 10,510,597 km (0.099 R)
• M26: 10,744,119 km (0.062 R)
• M27: 10,932,313 km (0.101 R)
• M28: 11,359,565 km (0.107 R)
• M29: 11,503,328 km (0.113 R)
• M30: 11,695,861 km (0.12 R)
• M31: 12,084,067 km (0.087 R)
• M32: 12,575,197 km (0.119 R)
• M33: 12,823,380 km (0.12 R)
• M34: 13,073,059 km (0.085 R)
• M35: 13,223,704 km (0.114 R)
• M36: 15,233,701 km (0.111 R)
• M37: 15,498,190 km (0.117 R)
• M38: 15,710,918 km (0.115 R)
• M39: 15,978,249 km (0.107 R)
• M40: 18,114,357 km (0.055 R)
• M41: 18,789,642 km (0.069 R)
• M42: 20,164,596 km (0.12 R)
• M43: 20,981,700 km (0.093 R)
• M44: 21,335,200 km (0.081 R)
• M45: 21,631,254 km (0.079 R)
• M46: 22,768,796 km (0.079 R)
• M47: 22,950,109 km (0.062 R)
• M48: 25,164,157 km (0.081 R)
• M49: 26,805,096 km (0.117 R)
• M50: 30,189,299 km (0.061 R)
• M51: 30,521,855 km (0.028 R)
• M52: 30,721,868 km (0.081 R)
• M53: 30,989,349 km (0.053 R)
• M54: 31,324,747 km (0.102 R)
• M55: 31,931,366 km (0.109 R)
• M56: 33,499,451 km (0.052 R)
• M57: 33,981,755 km (0.093 R)
• M58: 34,189,097 km (0.113 R)
• M59: 34,953,094 km (0.113 R)
• M60: 35,722,625 km (0.087 R)
• M61: 36,497,841 km (0.097 R)
• M62: 37,563,876 km (0.092 R)
• M63: 38,424,063 km (0.12 R)
• M64: 39,290,684 km (0.117 R)
• M65: 40,456,201 km (0.114 R)
• M66: 40,969,770 km (0.088 R)
• M67: 42,821,343 km (0.041 R)
• M68: 43,045,291 km (0.058 R)
• M69: 43,120,090 km (0.113 R)
• M70: 43,194,889 km (0.118 R)
• M71: 43,344,637 km (0.056 R)
• M72: 44,473,203 km (0.058 R)
• M73: 46,222,301 km (0.062 R)
• M74: 47,220,867 km (0.114 R)
• M75: 49,161,301 km (0.108 R)
• M76: 49,317,631 km (0.114 R)
• M77: 50,023,134 km (0.117 R)
• M78: 51,444,464 km (0.109 R)
• M79: 52,000,818 km (0.111 R)
• M80: 52,160,140 km (0.072 R)
• M81: 53,039,177 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 12.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.4

Radius: 5.3

Gravity: 20.38 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 11.28 AU - 14.28 AU

Year: 17212 Days

Day: 18.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 48,572,709 km

• M1: 67,917 km (0.095 R)
• M2: 103,821 km (0.094 R)
• M3: 197,020 km (0.076 R)
• M4: 262,993 km (0.115 R)
• M5: 454,179 km (0.095 R)
• M6: 878,738 km (0.095 R)
• M7: 1,114,654 km (0.075 R)
• M8: 2,114,267 km (0.077 R)
• M9: 2,176,051 km (0.034 R)
• M10: 2,658,205 km (0.113 R)
• M11: 3,032,349 km (0.086 R)
• M12: 3,278,886 km (0.098 R)
• M13: 3,980,500 km (0.086 R)
• M14: 4,526,383 km (0.083 R)
• M15: 4,889,457 km (0.083 R)
• M16: 6,122,293 km (0.058 R)
• M17: 6,750,006 km (0.1 R)
• M18: 7,492,310 km (0.092 R)
• M19: 7,921,207 km (0.102 R)
• M20: 8,406,952 km (0.092 R)
• M21: 8,852,454 km (0.114 R)
• M22: 8,902,420 km (0.114 R)
• M23: 8,952,385 km (0.083 R)
• M24: 9,103,180 km (0.114 R)
• M25: 9,356,300 km (0.114 R)
• M26: 10,077,361 km (0.1 R)
• M27: 10,709,562 km (0.118 R)
• M28: 10,762,819 km (0.114 R)
• M29: 11,138,160 km (0.049 R)
• M30: 11,956,759 km (0.088 R)
• M31: 12,569,363 km (0.096 R)
• M32: 13,421,023 km (0.091 R)
• M33: 13,478,469 km (0.088 R)
• M34: 14,585,344 km (0.047 R)
• M35: 14,940,938 km (0.115 R)
• M36: 15,479,640 km (0.084 R)
• M37: 15,781,678 km (0.049 R)
• M38: 15,842,265 km (0.105 R)
• M39: 16,391,439 km (0.077 R)
• M40: 17,949,650 km (0.087 R)
• M41: 19,684,836 km (0.111 R)
• M42: 19,880,959 km (0.079 R)
• M43: 21,004,139 km (0.09 R)
• M44: 21,877,043 km (0.055 R)
• M45: 22,147,965 km (0.115 R)
• M46: 22,967,462 km (0.027 R)
• M47: 23,796,832 km (0.12 R)
• M48: 23,866,395 km (0.081 R)
• M49: 26,127,717 km (0.095 R)
• M50: 26,559,307 km (0.085 R)
• M51: 27,502,372 km (0.057 R)
• M52: 28,752,112 km (0.076 R)
• M53: 28,900,364 km (0.115 R)
• M54: 29,048,915 km (0.117 R)
• M55: 29,272,115 km (0.061 R)
• M56: 30,547,885 km (0.047 R)
• M57: 32,920,507 km (0.061 R)
• M58: 33,075,491 km (0.087 R)
• M59: 35,193,049 km (0.101 R)
• M60: 37,515,705 km (0.119 R)
• M61: 37,596,638 km (0.069 R)
• M62: 38,982,064 km (0.075 R)
• M63: 40,052,736 km (0.087 R)
• M64: 40,135,463 km (0.109 R)
• M65: 41,467,333 km (0.063 R)
• M66: 44,088,886 km (0.066 R)
• M67: 44,516,736 km (0.105 R)
• M68: 44,859,913 km (0.081 R)
• M69: 44,945,932 km (0.059 R)
• M70: 45,462,793 km (0.078 R)
• M71: 47,725,012 km (0.083 R)
• M72: 49,046,859 km (0.069 R)
• M73: 49,135,421 km (0.08 R)
• M74: 49,845,711 km (0.113 R)
• M75: 50,469,983 km (0.104 R)
• M76: 50,738,362 km (0.111 R)
• M77: 51,007,189 km (0.097 R)
• M78: 51,096,798 km (0.086 R)
• M79: 52,539,371 km (0.075 R)
• M80: 53,903,853 km (0.093 R)
• M81: 54,269,620 km (0.101 R)
• M82: 55,464,308 km (0.03 R)
• M83: 55,741,214 km (0.118 R)
• M84: 56,111,169 km (0.059 R)
• M85: 57,785,918 km (0.113 R)
• M86: 57,879,416 km (0.118 R)
• M87: 58,160,361 km (0.091 R)
• M88: 58,629,500 km (0.116 R)
• M89: 59,855,006 km (0.1 R)
• M90: 59,949,701 km (0.107 R)
• M91: 60,139,092 km (0.109 R)
• M92: 60,898,750 km (0.061 R)
• M93: 61,948,329 km (0.093 R)
• M94: 62,235,706 km (0.075 R)

Planet 7 - Ice Giant

Semi-Major Axis: 18.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 82.9

Radius: 6.5

Gravity: 1.96 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 15.02 AU - 21.44 AU

Year: 29323 Days

Day: 15.7 Hours

Environment

Temp: -201 °C

Axial Tilt: 155.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 48,572,709 km

• M1: 320,289 km (0.059 R)
• M2: 672,442 km (0.12 R)
• M3: 1,037,312 km (0.117 R)
• M4: 1,282,503 km (0.106 R)
• M5: 2,566,800 km (0.08 R)
• M6: 3,908,095 km (0.056 R)
• M7: 4,065,173 km (0.075 R)
• M8: 4,224,345 km (0.118 R)
• M9: 4,714,128 km (0.064 R)
• M10: 6,105,987 km (0.037 R)
• M11: 6,509,602 km (0.096 R)
• M12: 7,150,329 km (0.062 R)
• M13: 7,420,054 km (0.113 R)
• M14: 8,088,757 km (0.111 R)
• M15: 9,779,362 km (0.085 R)
• M16: 13,563,740 km (0.089 R)
• M17: 13,611,312 km (0.12 R)
• M18: 15,407,384 km (0.064 R)
• M19: 18,264,254 km (0.113 R)
• M20: 19,003,418 km (0.053 R)
• M21: 19,537,482 km (0.082 R)
• M22: 20,130,488 km (0.098 R)
• M23: 20,729,627 km (0.107 R)
• M24: 21,334,452 km (0.059 R)
• M25: 22,674,250 km (0.12 R)
• M26: 22,843,595 km (0.084 R)
• M27: 23,811,343 km (0.081 R)
• M28: 24,386,846 km (0.116 R)
• M29: 26,140,582 km (0.033 R)
• M30: 26,199,823 km (0.084 R)
• M31: 29,030,215 km (0.108 R)
• M32: 29,460,009 km (0.088 R)
• M33: 29,891,899 km (0.073 R)
• M34: 30,015,616 km (0.04 R)
• M35: 34,389,110 km (0.095 R)
• M36: 36,616,323 km (0.088 R)
• M37: 39,024,699 km (0.105 R)
• M38: 39,227,703 km (0.095 R)
• M39: 39,975,094 km (0.049 R)
• M40: 40,111,527 km (0.07 R)
• M41: 40,727,123 km (0.099 R)
• M42: 43,922,384 km (0.09 R)
• M43: 47,702,423 km (0.109 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 15,030 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit