🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.69 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 0.54 AU - 0.84 AU

Year: 201 Days

Day: 29.1 Hours

Environment

Temp: 155 °C

Axial Tilt: 15.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 50,697,398 km

• M1: 67,020 km (0.092 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.88 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.39

Radius: 1.42

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.79 AU - 0.97 AU

Year: 290 Days

Day: 30.5 Hours

Environment

Temp: 127 °C

Axial Tilt: 128.9 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.9

Radius: 1.72

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 0.92 AU - 1.12 AU

Year: 362 Days

Day: 33.6 Hours

Environment

Temp: 101 °C

Axial Tilt: 48.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 4 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.19

Radius: 1.07

Gravity: 1.04 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.04 AU - 1.56 AU

Year: 521 Days

Day: 12.9 Hours

Environment

Temp: 1 °C

Axial Tilt: 1 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 5 - Terrestrial

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.43

Radius: 1.81

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 2.36 AU - 3.68 AU

Year: 1845 Days

Day: 39.4 Hours

Environment

Temp: -82 °C

Axial Tilt: 3.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 7.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 399.9

Radius: 11.2

Gravity: 3.19 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.41 AU - 8.41 AU

Year: 7089 Days

Day: 5.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (77)

Outer Limit: 50,697,398 km

• M1: 142,118 km (0.108 R)
• M2: 257,159 km (0.06 R)
• M3: 374,144 km (0.088 R)
• M4: 472,729 km (0.107 R)
• M5: 582,235 km (0.06 R)
• M6: 939,026 km (0.092 R)
• M7: 1,574,518 km (0.066 R)
• M8: 1,872,217 km (0.106 R)
• M9: 1,981,573 km (0.089 R)
• M10: 2,112,023 km (0.083 R)
• M11: 2,480,781 km (0.085 R)
• M12: 2,560,966 km (0.089 R)
• M13: 3,728,877 km (0.097 R)
• M14: 3,821,328 km (0.071 R)
• M15: 3,891,190 km (0.06 R)
• M16: 4,127,106 km (0.116 R)
• M17: 4,295,104 km (0.053 R)
• M18: 4,367,809 km (0.111 R)
• M19: 5,402,278 km (0.083 R)
• M20: 5,665,870 km (0.056 R)
• M21: 5,745,755 km (0.107 R)
• M22: 5,879,795 km (0.062 R)
• M23: 6,315,573 km (0.054 R)
• M24: 6,398,451 km (0.06 R)
• M25: 6,903,643 km (0.115 R)
• M26: 7,017,636 km (0.116 R)
• M27: 7,103,505 km (0.116 R)
• M28: 7,714,762 km (0.044 R)
• M29: 8,525,583 km (0.03 R)
• M30: 8,709,438 km (0.109 R)
• M31: 9,049,923 km (0.063 R)
• M32: 9,143,571 km (0.1 R)
• M33: 9,936,291 km (0.063 R)
• M34: 10,422,633 km (0.032 R)
• M35: 11,621,211 km (0.082 R)
• M36: 11,893,480 km (0.113 R)
• M37: 12,305,921 km (0.098 R)
• M38: 12,409,742 km (0.054 R)
• M39: 12,898,328 km (0.117 R)
• M40: 13,180,171 km (0.084 R)
• M41: 13,464,257 km (0.1 R)
• M42: 13,606,974 km (0.086 R)
• M43: 13,714,385 km (0.1 R)
• M44: 13,786,192 km (0.103 R)
• M45: 14,002,211 km (0.031 R)
• M46: 14,620,499 km (0.043 R)
• M47: 14,840,707 km (0.112 R)
• M48: 15,136,313 km (0.081 R)
• M49: 15,433,713 km (0.09 R)
• M50: 15,545,762 km (0.113 R)
• M51: 15,996,650 km (0.096 R)
• M52: 16,337,733 km (0.104 R)
• M53: 16,413,729 km (0.117 R)
• M54: 16,988,334 km (0.076 R)
• M55: 18,513,036 km (0.063 R)
• M56: 19,311,888 km (0.1 R)
• M57: 19,432,614 km (0.095 R)
• M58: 19,796,585 km (0.111 R)
• M59: 20,081,121 km (0.066 R)
• M60: 20,203,492 km (0.073 R)
• M61: 21,191,436 km (0.086 R)
• M62: 21,440,965 km (0.101 R)
• M63: 23,086,093 km (0.114 R)
• M64: 24,379,217 km (0.117 R)
• M65: 24,466,133 km (0.039 R)
• M66: 25,078,288 km (0.087 R)
• M67: 25,430,441 km (0.102 R)
• M68: 25,739,810 km (0.108 R)
• M69: 25,872,802 km (0.117 R)
• M70: 26,273,126 km (0.059 R)
• M71: 27,350,829 km (0.118 R)
• M72: 27,713,155 km (0.063 R)
• M73: 27,849,588 km (0.066 R)
• M74: 28,994,162 km (0.107 R)
• M75: 29,641,920 km (0.062 R)
• M76: 30,294,317 km (0.112 R)
• M77: 31,234,689 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 7.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 212.7

Radius: 13.5

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 6.65 AU - 8.89 AU

Year: 7612 Days

Day: 5.7 Hours

Environment

Temp: -152 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (61)

Outer Limit: 50,697,398 km

• M1: 170,242 km (0.112 R)
• M2: 280,646 km (0.099 R)
• M3: 573,109 km (0.092 R)
• M4: 1,082,939 km (0.075 R)
• M5: 1,399,488 km (0.116 R)
• M6: 1,546,543 km (0.111 R)
• M7: 1,808,937 km (0.116 R)
• M8: 1,953,898 km (0.091 R)
• M9: 2,119,802 km (0.084 R)
• M10: 2,342,553 km (0.072 R)
• M11: 2,664,039 km (0.079 R)
• M12: 2,848,792 km (0.108 R)
• M13: 2,980,887 km (0.1 R)
• M14: 3,212,016 km (0.027 R)
• M15: 3,651,235 km (0.094 R)
• M16: 3,961,800 km (0.055 R)
• M17: 4,899,629 km (0.115 R)
• M18: 5,173,543 km (0.116 R)
• M19: 5,546,491 km (0.109 R)
• M20: 6,098,058 km (0.077 R)
• M21: 6,642,295 km (0.091 R)
• M22: 7,253,702 km (0.085 R)
• M23: 7,540,032 km (0.083 R)
• M24: 8,150,990 km (0.047 R)
• M25: 8,285,927 km (0.052 R)
• M26: 9,111,109 km (0.088 R)
• M27: 9,392,054 km (0.066 R)
• M28: 10,020,065 km (0.063 R)
• M29: 10,135,854 km (0.068 R)
• M30: 10,310,136 km (0.101 R)
• M31: 10,456,293 km (0.095 R)
• M32: 10,661,840 km (0.047 R)
• M33: 10,839,263 km (0.085 R)
• M34: 11,017,584 km (0.077 R)
• M35: 11,679,854 km (0.096 R)
• M36: 11,954,665 km (0.081 R)
• M37: 12,541,537 km (0.109 R)
• M38: 12,791,516 km (0.084 R)
• M39: 13,391,852 km (0.067 R)
• M40: 13,807,883 km (0.069 R)
• M41: 13,969,150 km (0.064 R)
• M42: 14,066,089 km (0.057 R)
• M43: 14,521,765 km (0.112 R)
• M44: 15,615,026 km (0.091 R)
• M45: 15,850,343 km (0.105 R)
• M46: 16,052,899 km (0.062 R)
• M47: 17,391,052 km (0.083 R)
• M48: 18,729,055 km (0.062 R)
• M49: 19,482,729 km (0.117 R)
• M50: 19,808,703 km (0.062 R)
• M51: 19,990,614 km (0.099 R)
• M52: 20,246,277 km (0.083 R)
• M53: 20,871,596 km (0.116 R)
• M54: 21,168,099 km (0.099 R)
• M55: 21,503,348 km (0.062 R)
• M56: 21,990,588 km (0.073 R)
• M57: 22,519,416 km (0.1 R)
• M58: 22,937,991 km (0.114 R)
• M59: 24,286,616 km (0.112 R)
• M60: 24,676,618 km (0.105 R)
• M61: 25,265,584 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 8.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 939.6

Radius: 8.5

Gravity: 13 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 7.33 AU - 10.51 AU

Year: 9363 Days

Day: 14.9 Hours

Environment

Temp: -161 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (94)

Outer Limit: 50,697,398 km

• M1: 129,402 km (0.074 R)
• M2: 383,270 km (0.097 R)
• M3: 891,005 km (0.119 R)
• M4: 948,600 km (0.074 R)
• M5: 3,483,985 km (0.062 R)
• M6: 3,608,301 km (0.12 R)
• M7: 3,893,584 km (0.06 R)
• M8: 4,385,162 km (0.086 R)
• M9: 4,621,228 km (0.057 R)
• M10: 4,931,045 km (0.115 R)
• M11: 5,035,764 km (0.103 R)
• M12: 5,176,685 km (0.037 R)
• M13: 5,283,198 km (0.081 R)
• M14: 5,679,932 km (0.08 R)
• M15: 6,011,740 km (0.118 R)
• M16: 6,086,389 km (0.113 R)
• M17: 6,161,338 km (0.085 R)
• M18: 6,274,284 km (0.118 R)
• M19: 6,502,271 km (0.117 R)
• M20: 6,655,759 km (0.058 R)
• M21: 7,202,539 km (0.054 R)
• M22: 7,723,140 km (0.07 R)
• M23: 8,505,836 km (0.09 R)
• M24: 9,270,430 km (0.114 R)
• M25: 9,573,665 km (0.114 R)
• M26: 9,836,359 km (0.108 R)
• M27: 9,968,454 km (0.12 R)
• M28: 10,279,318 km (0.082 R)
• M29: 10,503,117 km (0.103 R)
• M30: 11,414,916 km (0.113 R)
• M31: 11,646,793 km (0.095 R)
• M32: 12,021,086 km (0.109 R)
• M33: 12,304,425 km (0.087 R)
• M34: 12,685,600 km (0.118 R)
• M35: 13,362,082 km (0.061 R)
• M36: 14,248,898 km (0.082 R)
• M37: 14,649,222 km (0.096 R)
• M38: 15,002,422 km (0.064 R)
• M39: 15,409,628 km (0.112 R)
• M40: 15,511,953 km (0.108 R)
• M41: 16,548,068 km (0.032 R)
• M42: 17,339,740 km (0.112 R)
• M43: 17,874,402 km (0.059 R)
• M44: 18,143,828 km (0.09 R)
• M45: 18,850,379 km (0.087 R)
• M46: 19,069,540 km (0.119 R)
• M47: 19,289,748 km (0.102 R)
• M48: 19,787,909 km (0.029 R)
• M49: 19,899,210 km (0.11 R)
• M50: 20,178,509 km (0.066 R)
• M51: 20,797,246 km (0.118 R)
• M52: 20,853,794 km (0.066 R)
• M53: 20,967,039 km (0.094 R)
• M54: 21,194,129 km (0.098 R)
• M55: 21,365,119 km (0.109 R)
• M56: 21,823,038 km (0.063 R)
• M57: 22,807,093 km (0.054 R)
• M58: 24,220,793 km (0.114 R)
• M59: 26,516,522 km (0.099 R)
• M60: 26,762,161 km (0.112 R)
• M61: 27,441,785 km (0.093 R)
• M62: 29,768,779 km (0.069 R)
• M63: 30,923,525 km (0.033 R)
• M64: 31,117,404 km (0.099 R)
• M65: 31,376,657 km (0.097 R)
• M66: 32,092,932 km (0.108 R)
• M67: 32,289,354 km (0.047 R)
• M68: 33,674,630 km (0.085 R)
• M69: 33,807,473 km (0.099 R)
• M70: 34,675,889 km (0.051 R)
• M71: 34,810,228 km (0.109 R)
• M72: 35,146,524 km (0.101 R)
• M73: 36,707,877 km (0.057 R)
• M74: 36,981,641 km (0.072 R)
• M75: 38,708,449 km (0.108 R)
• M76: 39,616,658 km (0.083 R)
• M77: 40,108,685 km (0.097 R)
• M78: 40,179,146 km (0.112 R)
• M79: 40,461,287 km (0.108 R)
• M80: 41,454,318 km (0.113 R)
• M81: 41,525,527 km (0.087 R)
• M82: 41,953,676 km (0.041 R)
• M83: 42,096,841 km (0.118 R)
• M84: 42,455,128 km (0.076 R)
• M85: 43,608,826 km (0.111 R)
• M86: 44,044,156 km (0.082 R)
• M87: 44,480,832 km (0.1 R)
• M88: 44,553,687 km (0.119 R)
• M89: 46,759,956 km (0.119 R)
• M90: 47,652,307 km (0.075 R)
• M91: 48,100,652 km (0.12 R)
• M92: 49,983,641 km (0.079 R)
• M93: 50,211,329 km (0.104 R)
• M94: 50,287,175 km (0.101 R)

Planet 9 - Ice Giant

Semi-Major Axis: 19.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 85.3

Radius: 3.1

Gravity: 8.88 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 15.44 AU - 24.04 AU

Year: 30825 Days

Day: 24.9 Hours

Environment

Temp: -198 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (67)

Outer Limit: 50,697,398 km

• M1: 122,521 km (0.105 R)
• M2: 215,271 km (0.09 R)
• M3: 459,116 km (0.097 R)
• M4: 1,206,357 km (0.083 R)
• M5: 1,383,631 km (0.077 R)
• M6: 1,912,010 km (0.043 R)
• M7: 2,170,815 km (0.107 R)
• M8: 3,620,717 km (0.091 R)
• M9: 3,907,197 km (0.109 R)
• M10: 4,300,490 km (0.075 R)
• M11: 5,053,566 km (0.096 R)
• M12: 5,445,213 km (0.095 R)
• M13: 5,994,835 km (0.096 R)
• M14: 6,523,514 km (0.106 R)
• M15: 6,754,643 km (0.037 R)
• M16: 7,264,622 km (0.088 R)
• M17: 7,624,854 km (0.095 R)
• M18: 7,705,637 km (0.069 R)
• M19: 8,196,767 km (0.072 R)
• M20: 8,994,722 km (0.093 R)
• M21: 10,126,130 km (0.115 R)
• M22: 11,163,741 km (0.11 R)
• M23: 11,439,899 km (0.044 R)
• M24: 11,671,775 km (0.069 R)
• M25: 12,234,712 km (0.098 R)
• M26: 12,329,408 km (0.088 R)
• M27: 15,279,927 km (0.102 R)
• M28: 15,381,952 km (0.116 R)
• M29: 15,740,538 km (0.1 R)
• M30: 16,101,817 km (0.065 R)
• M31: 16,205,638 km (0.103 R)
• M32: 18,761,219 km (0.097 R)
• M33: 18,979,631 km (0.032 R)
• M34: 19,034,534 km (0.087 R)
• M35: 19,254,144 km (0.061 R)
• M36: 20,364,609 km (0.104 R)
• M37: 21,211,033 km (0.08 R)
• M38: 21,610,011 km (0.104 R)
• M39: 23,288,948 km (0.08 R)
• M40: 24,411,530 km (0.115 R)
• M41: 24,530,610 km (0.045 R)
• M42: 26,524,899 km (0.041 R)
• M43: 26,893,060 km (0.12 R)
• M44: 27,510,450 km (0.097 R)
• M45: 29,137,177 km (0.089 R)
• M46: 30,153,695 km (0.059 R)
• M47: 31,181,731 km (0.115 R)
• M48: 31,700,088 km (0.094 R)
• M49: 32,417,410 km (0.1 R)
• M50: 32,548,308 km (0.098 R)
• M51: 32,613,981 km (0.075 R)
• M52: 32,679,505 km (0.084 R)
• M53: 34,267,337 km (0.056 R)
• M54: 35,542,061 km (0.073 R)
• M55: 36,423,042 km (0.1 R)
• M56: 38,137,584 km (0.112 R)
• M57: 41,858,083 km (0.061 R)
• M58: 43,797,469 km (0.108 R)
• M59: 44,159,795 km (0.082 R)
• M60: 44,814,436 km (0.093 R)
• M61: 45,106,451 km (0.094 R)
• M62: 45,252,757 km (0.099 R)
• M63: 46,207,192 km (0.088 R)
• M64: 46,280,944 km (0.091 R)
• M65: 47,539,660 km (0.091 R)
• M66: 49,109,989 km (0.073 R)
• M67: 49,335,732 km (0.104 R)

Kuiper Belt

Range: 31.2 - 49.2 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 356 - 18,853 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit