🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.11

Radius: 1.35

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.023

Orbit Range: 0.5 AU - 0.52 AU

Year: 139 Days

Day: 43.1 Hours

Environment

Temp: 178 °C

Axial Tilt: 21.7 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.45

Radius: 1.64

Gravity: 1.28 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 0.46 AU - 0.76 AU

Year: 181 Days

Day: 36.3 Hours

Environment

Temp: 143 °C

Axial Tilt: 29.2 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.23

Radius: 1.38

Gravity: 1.17 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.24 AU - 1.42 AU

Year: 584 Days

Day: 33.2 Hours

Environment

Temp: -31 °C

Axial Tilt: 49.6 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.36

Radius: 1.8

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.59 AU - 1.61 AU

Year: 771 Days

Day: 27.4 Hours

Environment

Temp: -57 °C

Axial Tilt: 49 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 5 - Terrestrial

Semi-Major Axis: 1.76 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.57

Radius: 1.84

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.73 AU - 1.79 AU

Year: 889 Days

Day: 37.6 Hours

Environment

Temp: -71 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 46,826,579 km

• M1: 106,065 km (0.099 R)
• M2: 577,897 km (0.106 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.39 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.52

Radius: 1.65

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 2.04 AU - 2.74 AU

Year: 1407 Days

Day: 29.4 Hours

Environment

Temp: -94 °C

Axial Tilt: 36.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 7 - Gas Giant

Semi-Major Axis: 4.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 129.4

Radius: 11.7

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.72 AU - 5.02 AU

Year: 3479 Days

Day: 6.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 46,826,579 km

• M1: 219,011 km (0.032 R)
• M2: 410,945 km (0.119 R)
• M3: 571,165 km (0.099 R)
• M4: 733,179 km (0.098 R)
• M5: 943,065 km (0.112 R)
• M6: 1,055,712 km (0.117 R)
• M7: 1,581,848 km (0.081 R)
• M8: 1,688,511 km (0.057 R)
• M9: 1,767,648 km (0.103 R)
• M10: 1,971,102 km (0.106 R)
• M11: 2,401,345 km (0.078 R)
• M12: 2,685,282 km (0.102 R)
• M13: 3,076,779 km (0.095 R)
• M14: 3,900,764 km (0.089 R)
• M15: 4,371,699 km (0.084 R)
• M16: 5,148,411 km (0.088 R)
• M17: 5,265,097 km (0.089 R)
• M18: 5,695,041 km (0.09 R)
• M19: 5,982,868 km (0.101 R)
• M20: 6,244,664 km (0.102 R)
• M21: 6,636,311 km (0.05 R)
• M22: 6,891,376 km (0.054 R)
• M23: 7,068,499 km (0.119 R)
• M24: 7,926,443 km (0.112 R)
• M25: 8,764,790 km (0.104 R)
• M26: 8,852,005 km (0.102 R)
• M27: 9,097,495 km (0.109 R)
• M28: 9,380,983 km (0.039 R)
• M29: 10,303,853 km (0.077 R)
• M30: 10,785,408 km (0.109 R)
• M31: 10,991,404 km (0.085 R)
• M32: 11,255,445 km (0.099 R)
• M33: 11,540,728 km (0.073 R)
• M34: 11,770,660 km (0.031 R)
• M35: 11,905,597 km (0.109 R)
• M36: 12,002,237 km (0.111 R)
• M37: 12,176,818 km (0.075 R)
• M38: 12,274,206 km (0.081 R)
• M39: 12,450,133 km (0.097 R)
• M40: 12,607,211 km (0.114 R)
• M41: 12,962,955 km (0.097 R)
• M42: 13,122,276 km (0.105 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 335

Radius: 11.9

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 4.22 AU - 5.38 AU

Year: 4005 Days

Day: 13.4 Hours

Environment

Temp: -140 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (64)

Outer Limit: 46,826,579 km

• M1: 214,523 km (0.036 R)
• M2: 382,522 km (0.088 R)
• M3: 517,160 km (0.09 R)
• M4: 670,647 km (0.099 R)
• M5: 782,546 km (0.101 R)
• M6: 1,378,993 km (0.114 R)
• M7: 1,755,681 km (0.092 R)
• M8: 1,848,282 km (0.103 R)
• M9: 1,929,065 km (0.097 R)
• M10: 2,024,807 km (0.098 R)
• M11: 2,136,258 km (0.094 R)
• M12: 2,365,591 km (0.088 R)
• M13: 2,513,095 km (0.063 R)
• M14: 3,296,239 km (0.108 R)
• M15: 3,478,300 km (0.102 R)
• M16: 4,658,178 km (0.077 R)
• M17: 4,919,526 km (0.063 R)
• M18: 5,223,958 km (0.058 R)
• M19: 5,339,746 km (0.113 R)
• M20: 5,476,030 km (0.107 R)
• M21: 5,791,682 km (0.112 R)
• M22: 6,503,019 km (0.071 R)
• M23: 7,134,771 km (0.117 R)
• M24: 7,284,968 km (0.098 R)
• M25: 7,479,744 km (0.065 R)
• M26: 7,566,810 km (0.039 R)
• M27: 7,654,325 km (0.067 R)
• M28: 7,918,664 km (0.097 R)
• M29: 8,096,536 km (0.069 R)
• M30: 8,592,902 km (0.092 R)
• M31: 8,752,822 km (0.116 R)
• M32: 8,867,713 km (0.102 R)
• M33: 9,215,378 km (0.084 R)
• M34: 9,638,591 km (0.091 R)
• M35: 9,757,222 km (0.098 R)
• M36: 9,852,516 km (0.12 R)
• M37: 10,382,242 km (0.113 R)
• M38: 10,945,927 km (0.11 R)
• M39: 11,069,794 km (0.085 R)
• M40: 11,194,109 km (0.098 R)
• M41: 11,368,989 km (0.049 R)
• M42: 11,924,596 km (0.118 R)
• M43: 12,179,959 km (0.12 R)
• M44: 12,904,911 km (0.094 R)
• M45: 13,140,976 km (0.097 R)
• M46: 13,404,867 km (0.044 R)
• M47: 13,510,932 km (0.107 R)
• M48: 13,590,667 km (0.097 R)
• M49: 14,045,295 km (0.094 R)
• M50: 14,153,155 km (0.093 R)
• M51: 14,315,170 km (0.066 R)
• M52: 14,832,629 km (0.094 R)
• M53: 14,997,336 km (0.045 R)
• M54: 15,356,221 km (0.067 R)
• M55: 15,717,949 km (0.112 R)
• M56: 16,364,960 km (0.115 R)
• M57: 16,563,626 km (0.107 R)
• M58: 17,337,196 km (0.105 R)
• M59: 17,801,249 km (0.114 R)
• M60: 18,034,771 km (0.117 R)
• M61: 19,098,412 km (0.08 R)
• M62: 19,188,021 km (0.045 R)
• M63: 19,487,516 km (0.094 R)
• M64: 20,182,249 km (0.063 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 681.3

Radius: 3.8

Gravity: 47.18 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 11.68 AU - 14.02 AU

Year: 17541 Days

Day: 20.5 Hours

Environment

Temp: -192 °C

Axial Tilt: 61.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (96)

Outer Limit: 46,826,579 km

• M1: 71,807 km (0.115 R)
• M2: 201,359 km (0.088 R)
• M3: 445,353 km (0.093 R)
• M4: 522,246 km (0.055 R)
• M5: 667,356 km (0.091 R)
• M6: 778,657 km (0.099 R)
• M7: 919,877 km (0.116 R)
• M8: 944,262 km (0.105 R)
• M9: 1,018,612 km (0.055 R)
• M10: 1,146,967 km (0.119 R)
• M11: 1,533,229 km (0.07 R)
• M12: 2,115,763 km (0.108 R)
• M13: 2,213,450 km (0.072 R)
• M14: 2,279,423 km (0.098 R)
• M15: 2,346,143 km (0.077 R)
• M16: 2,830,392 km (0.119 R)
• M17: 3,194,663 km (0.043 R)
• M18: 3,269,312 km (0.078 R)
• M19: 3,847,358 km (0.081 R)
• M20: 4,581,734 km (0.094 R)
• M21: 5,446,858 km (0.09 R)
• M22: 5,670,956 km (0.056 R)
• M23: 5,761,313 km (0.104 R)
• M24: 6,549,395 km (0.04 R)
• M25: 6,835,576 km (0.117 R)
• M26: 7,223,333 km (0.109 R)
• M27: 7,668,237 km (0.082 R)
• M28: 7,969,677 km (0.06 R)
• M29: 9,534,171 km (0.056 R)
• M30: 9,695,737 km (0.064 R)
• M31: 9,966,958 km (0.091 R)
• M32: 11,076,825 km (0.045 R)
• M33: 11,303,466 km (0.105 R)
• M34: 11,417,309 km (0.077 R)
• M35: 11,646,194 km (0.09 R)
• M36: 11,703,640 km (0.093 R)
• M37: 12,635,934 km (0.091 R)
• M38: 13,470,989 km (0.114 R)
• M39: 14,943,630 km (0.057 R)
• M40: 15,635,371 km (0.078 R)
• M41: 17,246,091 km (0.09 R)
• M42: 18,037,763 km (0.112 R)
• M43: 18,170,905 km (0.116 R)
• M44: 18,908,722 km (0.119 R)
• M45: 19,451,463 km (0.111 R)
• M46: 19,519,680 km (0.106 R)
• M47: 19,724,778 km (0.092 R)
• M48: 20,900,468 km (0.062 R)
• M49: 21,743,901 km (0.065 R)
• M50: 22,169,806 km (0.12 R)
• M51: 22,526,747 km (0.116 R)
• M52: 22,885,632 km (0.037 R)
• M53: 23,029,695 km (0.036 R)
• M54: 23,827,650 km (0.109 R)
• M55: 24,119,964 km (0.097 R)
• M56: 24,487,077 km (0.108 R)
• M57: 25,450,338 km (0.11 R)
• M58: 27,260,771 km (0.111 R)
• M59: 27,643,293 km (0.095 R)
• M60: 28,568,257 km (0.119 R)
• M61: 28,645,748 km (0.087 R)
• M62: 28,801,031 km (0.107 R)
• M63: 28,956,613 km (0.107 R)
• M64: 29,503,243 km (0.115 R)
• M65: 29,660,022 km (0.031 R)
• M66: 30,527,540 km (0.093 R)
• M67: 31,243,515 km (0.1 R)
• M68: 31,323,401 km (0.075 R)
• M69: 32,125,993 km (0.055 R)
• M70: 32,691,772 km (0.081 R)
• M71: 32,772,854 km (0.106 R)
• M72: 33,997,462 km (0.106 R)
• M73: 34,079,592 km (0.059 R)
• M74: 37,589,906 km (0.111 R)
• M75: 38,015,362 km (0.077 R)
• M76: 38,699,473 km (0.092 R)
• M77: 38,785,342 km (0.111 R)
• M78: 39,906,429 km (0.095 R)
• M79: 41,125,651 km (0.116 R)
• M80: 43,958,138 km (0.108 R)
• M81: 45,036,439 km (0.104 R)
• M82: 45,488,225 km (0.115 R)
• M83: 45,669,388 km (0.102 R)
• M84: 46,305,328 km (0.113 R)
• M85: 46,761,302 km (0.114 R)
• M86: 47,035,665 km (0.084 R)
• M87: 47,127,219 km (0.117 R)
• M88: 48,230,653 km (0.095 R)
• M89: 55,220,164 km (0.057 R)
• M90: 57,456,204 km (0.08 R)
• M91: 59,226,545 km (0.053 R)
• M92: 62,619,126 km (0.112 R)
• M93: 64,034,321 km (0.095 R)
• M94: 64,542,206 km (0.061 R)
• M95: 65,766,814 km (0.095 R)
• M96: 68,031,726 km (0.046 R)

Planet 10 - Ice Giant

Semi-Major Axis: 15.77 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 112.3

Radius: 3.2

Gravity: 10.97 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 12.65 AU - 18.89 AU

Year: 23848 Days

Day: 22.3 Hours

Environment

Temp: -206 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 46,826,579 km

• M1: 101,278 km (0.082 R)
• M2: 247,435 km (0.074 R)
• M3: 372,798 km (0.118 R)
• M4: 414,087 km (0.073 R)
• M5: 471,682 km (0.102 R)
• M6: 710,291 km (0.067 R)
• M7: 1,475,185 km (0.076 R)
• M8: 1,497,175 km (0.118 R)
• M9: 1,840,652 km (0.109 R)
• M10: 2,107,535 km (0.098 R)
• M11: 3,175,664 km (0.074 R)
• M12: 3,290,256 km (0.036 R)
• M13: 3,464,986 km (0.078 R)
• M14: 3,494,307 km (0.064 R)
• M15: 3,553,398 km (0.096 R)
• M16: 3,702,547 km (0.045 R)
• M17: 4,006,829 km (0.116 R)
• M18: 4,319,040 km (0.091 R)
• M19: 4,414,184 km (0.069 R)
• M20: 4,671,493 km (0.109 R)
• M21: 4,867,616 km (0.115 R)
• M22: 5,099,941 km (0.084 R)
• M23: 5,369,816 km (0.103 R)
• M24: 5,888,172 km (0.097 R)
• M25: 6,135,457 km (0.112 R)
• M26: 7,498,144 km (0.055 R)
• M27: 7,574,439 km (0.118 R)
• M28: 9,071,016 km (0.099 R)
• M29: 9,274,470 km (0.105 R)
• M30: 9,561,997 km (0.101 R)
• M31: 9,603,286 km (0.112 R)
• M32: 10,356,960 km (0.09 R)
• M33: 10,698,043 km (0.1 R)
• M34: 11,391,130 km (0.045 R)
• M35: 11,434,962 km (0.072 R)
• M36: 11,522,776 km (0.116 R)
• M37: 12,009,418 km (0.12 R)
• M38: 13,140,378 km (0.11 R)
• M39: 13,370,609 km (0.051 R)
• M40: 14,971,157 km (0.094 R)
• M41: 15,115,219 km (0.095 R)
• M42: 15,989,469 km (0.088 R)
• M43: 16,333,993 km (0.051 R)
• M44: 17,280,948 km (0.052 R)
• M45: 17,331,362 km (0.115 R)
• M46: 17,432,191 km (0.103 R)
• M47: 18,348,328 km (0.119 R)
• M48: 18,451,102 km (0.112 R)
• M49: 18,502,564 km (0.057 R)
• M50: 19,541,521 km (0.092 R)
• M51: 19,699,048 km (0.085 R)
• M52: 21,458,917 km (0.08 R)
• M53: 21,513,071 km (0.106 R)
• M54: 22,494,882 km (0.112 R)
• M55: 22,770,142 km (0.11 R)
• M56: 23,658,604 km (0.116 R)
• M57: 23,770,354 km (0.091 R)
• M58: 24,163,198 km (0.035 R)
• M59: 24,445,190 km (0.065 R)
• M60: 25,012,315 km (0.088 R)
• M61: 25,354,595 km (0.102 R)
• M62: 27,323,752 km (0.087 R)
• M63: 27,853,029 km (0.056 R)
• M64: 28,326,506 km (0.029 R)
• M65: 28,564,217 km (0.117 R)
• M66: 29,221,251 km (0.1 R)
• M67: 29,762,646 km (0.116 R)
• M68: 30,611,165 km (0.103 R)
• M69: 31,529,247 km (0.112 R)
• M70: 32,767,319 km (0.102 R)
• M71: 33,454,871 km (0.072 R)
• M72: 33,580,533 km (0.087 R)
• M73: 34,147,360 km (0.111 R)
• M74: 35,418,343 km (0.093 R)
• M75: 35,610,427 km (0.076 R)
• M76: 35,931,165 km (0.079 R)
• M77: 36,446,230 km (0.079 R)
• M78: 37,288,616 km (0.114 R)
• M79: 37,810,263 km (0.08 R)
• M80: 38,202,958 km (0.112 R)
• M81: 38,465,502 km (0.1 R)
• M82: 39,323,147 km (0.104 R)
• M83: 39,987,062 km (0.104 R)
• M84: 41,191,475 km (0.106 R)
• M85: 41,325,963 km (0.072 R)
• M86: 41,730,476 km (0.107 R)
• M87: 41,933,330 km (0.09 R)
• M88: 42,136,335 km (0.061 R)
• M89: 43,088,525 km (0.086 R)
• M90: 44,116,412 km (0.105 R)
• M91: 44,667,979 km (0.056 R)
• M92: 44,737,094 km (0.116 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 545 - 20,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit