🌌 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: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.16

Radius: 1.77

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.39 AU - 0.63 AU

Year: 166 Days

Day: 32.1 Hours

Environment

Temp: 17 °C

Axial Tilt: 37.9 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.3

Radius: 1.79

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 0.47 AU - 0.57 AU

Year: 171 Days

Day: 44.7 Hours

Environment

Temp: 22 °C

Axial Tilt: 46.3 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Satellites (1)

Outer Limit: 11,713,631 km

• M1: 529,427 km (0.119 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1

Radius: 1

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.74 AU - 0.86 AU

Year: 327 Days

Day: 20.3 Hours

Environment

Temp: -61 °C

Axial Tilt: 16.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 11,713,631 km

• M1: 313,258 km (0.073 R)

Planet 4 - Terrestrial

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.97

Radius: 1.31

Gravity: 1.15 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.06 AU - 1.44 AU

Year: 638 Days

Day: 43.9 Hours

Environment

Temp: -102 °C

Axial Tilt: 30 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 11,713,631 km

• M1: 173,982 km (0.086 R)
• M2: 304,282 km (0.102 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.27

Radius: 1.1

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 1.83 AU - 2.09 AU

Year: 1253 Days

Day: 43.1 Hours

Environment

Temp: -137 °C

Axial Tilt: 12 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 6 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.9

Radius: 9.7

Gravity: 9.98 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 2.79 AU - 3.21 AU

Year: 2372 Days

Day: 10.1 Hours

Environment

Temp: -161 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (70)

Outer Limit: 11,713,631 km

• M1: 196,123 km (0.103 R)
• M2: 382,223 km (0.059 R)
• M3: 449,093 km (0.075 R)
• M4: 579,542 km (0.116 R)
• M5: 752,477 km (0.12 R)
• M6: 820,694 km (0.082 R)
• M7: 963,859 km (0.107 R)
• M8: 1,027,887 km (0.113 R)
• M9: 1,229,096 km (0.056 R)
• M10: 1,394,551 km (0.114 R)
• M11: 1,592,918 km (0.055 R)
• M12: 1,669,662 km (0.081 R)
• M13: 1,747,752 km (0.073 R)
• M14: 1,907,822 km (0.093 R)
• M15: 2,030,941 km (0.105 R)
• M16: 2,641,001 km (0.111 R)
• M17: 2,701,887 km (0.116 R)
• M18: 2,778,780 km (0.079 R)
• M19: 3,125,997 km (0.077 R)
• M20: 3,239,392 km (0.104 R)
• M21: 3,453,616 km (0.095 R)
• M22: 3,861,570 km (0.096 R)
• M23: 4,266,830 km (0.037 R)
• M24: 4,722,954 km (0.087 R)
• M25: 4,890,953 km (0.077 R)
• M26: 5,445,811 km (0.095 R)
• M27: 5,582,693 km (0.113 R)
• M28: 5,720,922 km (0.118 R)
• M29: 5,800,209 km (0.116 R)
• M30: 5,960,278 km (0.102 R)
• M31: 6,020,716 km (0.065 R)
• M32: 6,081,153 km (0.098 R)
• M33: 6,243,766 km (0.12 R)
• M34: 6,325,596 km (0.077 R)
• M35: 6,469,659 km (0.095 R)
• M36: 6,552,536 km (0.078 R)
• M37: 6,761,076 km (0.093 R)
• M38: 6,824,056 km (0.112 R)
• M39: 7,099,317 km (0.11 R)
• M40: 7,227,672 km (0.047 R)
• M41: 7,313,690 km (0.082 R)
• M42: 7,378,317 km (0.113 R)
• M43: 7,486,625 km (0.041 R)
• M44: 7,792,703 km (0.1 R)
• M45: 7,902,956 km (0.115 R)
• M46: 8,439,564 km (0.117 R)
• M47: 8,507,481 km (0.104 R)
• M48: 8,598,287 km (0.106 R)
• M49: 9,359,890 km (0.088 R)
• M50: 9,665,967 km (0.099 R)
• M51: 10,191,205 km (0.055 R)
• M52: 10,506,109 km (0.043 R)
• M53: 10,848,688 km (0.076 R)
• M54: 12,876,188 km (0.107 R)
• M55: 13,772,728 km (0.074 R)
• M56: 14,174,548 km (0.105 R)
• M57: 14,255,480 km (0.072 R)
• M58: 14,553,180 km (0.078 R)
• M59: 15,072,285 km (0.099 R)
• M60: 15,569,847 km (0.076 R)
• M61: 15,848,548 km (0.101 R)
• M62: 16,722,948 km (0.042 R)
• M63: 17,410,649 km (0.05 R)
• M64: 17,613,055 km (0.089 R)
• M65: 17,903,424 km (0.114 R)
• M66: 18,872,968 km (0.116 R)
• M67: 19,080,760 km (0.094 R)
• M68: 19,738,990 km (0.057 R)
• M69: 20,070,948 km (0.065 R)
• M70: 20,313,596 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.3

Radius: 11.2

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.94 AU - 4.02 AU

Year: 2964 Days

Day: 5.5 Hours

Environment

Temp: -154 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (75)

Outer Limit: 11,713,631 km

• M1: 146,905 km (0.108 R)
• M2: 235,168 km (0.048 R)
• M3: 312,061 km (0.119 R)
• M4: 425,456 km (0.118 R)
• M5: 522,246 km (0.115 R)
• M6: 655,687 km (0.112 R)
• M7: 832,512 km (0.097 R)
• M8: 959,670 km (0.105 R)
• M9: 1,210,696 km (0.088 R)
• M10: 1,344,137 km (0.075 R)
• M11: 1,508,695 km (0.07 R)
• M12: 1,586,934 km (0.079 R)
• M13: 1,679,984 km (0.111 R)
• M14: 1,928,017 km (0.118 R)
• M15: 2,071,183 km (0.097 R)
• M16: 2,188,168 km (0.08 R)
• M17: 2,322,657 km (0.094 R)
• M18: 2,552,888 km (0.077 R)
• M19: 2,726,571 km (0.081 R)
• M20: 2,887,837 km (0.1 R)
• M21: 3,408,288 km (0.097 R)
• M22: 3,494,905 km (0.098 R)
• M23: 4,882,575 km (0.078 R)
• M24: 5,039,803 km (0.103 R)
• M25: 5,582,843 km (0.027 R)
• M26: 5,706,112 km (0.081 R)
• M27: 5,892,810 km (0.064 R)
• M28: 6,060,359 km (0.062 R)
• M29: 6,464,722 km (0.118 R)
• M30: 6,637,508 km (0.101 R)
• M31: 6,833,930 km (0.083 R)
• M32: 6,965,875 km (0.094 R)
• M33: 7,054,437 km (0.117 R)
• M34: 7,593,139 km (0.026 R)
• M35: 7,706,983 km (0.118 R)
• M36: 8,332,003 km (0.12 R)
• M37: 9,142,075 km (0.089 R)
• M38: 9,458,625 km (0.105 R)
• M39: 9,605,829 km (0.11 R)
• M40: 9,803,448 km (0.059 R)
• M41: 9,877,798 km (0.071 R)
• M42: 10,127,327 km (0.064 R)
• M43: 10,252,840 km (0.051 R)
• M44: 10,328,387 km (0.116 R)
• M45: 10,480,079 km (0.119 R)
• M46: 10,888,331 km (0.119 R)
• M47: 11,327,700 km (0.094 R)
• M48: 11,536,539 km (0.087 R)
• M49: 11,667,587 km (0.115 R)
• M50: 11,904,999 km (0.072 R)
• M51: 11,984,435 km (0.088 R)
• M52: 12,384,460 km (0.065 R)
• M53: 12,924,658 km (0.105 R)
• M54: 13,362,381 km (0.082 R)
• M55: 13,832,717 km (0.098 R)
• M56: 14,336,712 km (0.101 R)
• M57: 14,477,783 km (0.052 R)
• M58: 15,046,853 km (0.069 R)
• M59: 15,305,209 km (0.117 R)
• M60: 15,623,104 km (0.049 R)
• M61: 16,324,120 km (0.062 R)
• M62: 17,005,688 km (0.107 R)
• M63: 17,726,749 km (0.098 R)
• M64: 17,969,397 km (0.103 R)
• M65: 18,060,652 km (0.101 R)
• M66: 18,152,056 km (0.094 R)
• M67: 18,243,610 km (0.048 R)
• M68: 18,549,837 km (0.055 R)
• M69: 18,642,139 km (0.033 R)
• M70: 19,074,626 km (0.036 R)
• M71: 19,260,875 km (0.103 R)
• M72: 19,698,150 km (0.109 R)
• M73: 20,107,001 km (0.114 R)
• M74: 20,933,230 km (0.054 R)
• M75: 21,382,622 km (0.072 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.9

Radius: 15

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.21 AU - 4.59 AU

Year: 3516 Days

Day: 5.1 Hours

Environment

Temp: -167 °C

Axial Tilt: 56.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (69)

Outer Limit: 11,713,631 km

• M1: 260,001 km (0.096 R)
• M2: 464,501 km (0.099 R)
• M3: 784,641 km (0.074 R)
• M4: 1,007,841 km (0.103 R)
• M5: 1,140,085 km (0.062 R)
• M6: 1,616,854 km (0.119 R)
• M7: 2,014,485 km (0.061 R)
• M8: 2,154,060 km (0.044 R)
• M9: 2,313,082 km (0.047 R)
• M10: 2,426,926 km (0.051 R)
• M11: 2,694,258 km (0.045 R)
• M12: 2,814,235 km (0.096 R)
• M13: 3,349,646 km (0.098 R)
• M14: 3,762,686 km (0.083 R)
• M15: 4,252,170 km (0.106 R)
• M16: 4,392,941 km (0.115 R)
• M17: 4,679,272 km (0.097 R)
• M18: 4,783,093 km (0.097 R)
• M19: 4,950,642 km (0.071 R)
• M20: 5,291,875 km (0.115 R)
• M21: 5,443,717 km (0.107 R)
• M22: 5,552,923 km (0.042 R)
• M23: 6,178,691 km (0.098 R)
• M24: 6,384,538 km (0.112 R)
• M25: 6,639,453 km (0.076 R)
• M26: 7,448,478 km (0.065 R)
• M27: 7,766,224 km (0.078 R)
• M28: 7,963,843 km (0.093 R)
• M29: 8,414,880 km (0.113 R)
• M30: 9,133,100 km (0.095 R)
• M31: 9,394,447 km (0.073 R)
• M32: 10,139,444 km (0.072 R)
• M33: 10,301,609 km (0.04 R)
• M34: 10,410,067 km (0.063 R)
• M35: 10,765,661 km (0.117 R)
• M36: 11,516,792 km (0.106 R)
• M37: 11,827,656 km (0.115 R)
• M38: 11,969,924 km (0.116 R)
• M39: 12,371,295 km (0.115 R)
• M40: 12,515,807 km (0.088 R)
• M41: 12,923,162 km (0.116 R)
• M42: 13,364,475 km (0.073 R)
• M43: 14,201,625 km (0.089 R)
• M44: 14,413,605 km (0.05 R)
• M45: 14,626,633 km (0.095 R)
• M46: 14,779,522 km (0.078 R)
• M47: 15,271,998 km (0.103 R)
• M48: 15,551,447 km (0.093 R)
• M49: 15,863,957 km (0.118 R)
• M50: 15,958,203 km (0.114 R)
• M51: 16,686,296 km (0.101 R)
• M52: 16,782,039 km (0.058 R)
• M53: 17,006,286 km (0.119 R)
• M54: 17,166,954 km (0.117 R)
• M55: 17,489,936 km (0.078 R)
• M56: 18,372,264 km (0.077 R)
• M57: 18,471,148 km (0.062 R)
• M58: 18,636,454 km (0.11 R)
• M59: 19,840,866 km (0.12 R)
• M60: 20,282,031 km (0.116 R)
• M61: 20,589,305 km (0.093 R)
• M62: 20,795,151 km (0.097 R)
• M63: 20,967,039 km (0.115 R)
• M64: 21,416,431 km (0.12 R)
• M65: 21,624,971 km (0.117 R)
• M66: 22,430,406 km (0.034 R)
• M67: 22,748,151 km (0.056 R)
• M68: 24,070,597 km (0.029 R)
• M69: 24,287,364 km (0.078 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.6

Radius: 11.3

Gravity: 0.48 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.61 AU - 4.93 AU

Year: 4028 Days

Day: 14.7 Hours

Environment

Temp: -171 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 11,713,631 km

• M1: 206,744 km (0.09 R)
• M2: 281,693 km (0.066 R)
• M3: 442,660 km (0.04 R)
• M4: 633,697 km (0.061 R)
• M5: 853,605 km (0.081 R)
• M6: 966,103 km (0.072 R)
• M7: 1,129,464 km (0.083 R)
• M8: 1,286,242 km (0.113 R)
• M9: 1,800,410 km (0.114 R)
• M10: 1,947,914 km (0.105 R)
• M11: 2,506,213 km (0.114 R)
• M12: 2,682,140 km (0.103 R)
• M13: 2,937,504 km (0.027 R)
• M14: 3,156,515 km (0.085 R)
• M15: 3,268,115 km (0.106 R)
• M16: 3,845,862 km (0.09 R)
• M17: 4,061,582 km (0.102 R)
• M18: 4,430,191 km (0.116 R)
• M19: 4,925,659 km (0.06 R)
• M20: 5,573,119 km (0.12 R)
• M21: 6,191,407 km (0.064 R)
• M22: 6,515,885 km (0.112 R)
• M23: 7,034,989 km (0.068 R)
• M24: 7,181,595 km (0.081 R)
• M25: 7,358,869 km (0.096 R)
• M26: 7,537,489 km (0.098 R)
• M27: 7,657,466 km (0.109 R)
• M28: 8,159,068 km (0.103 R)
• M29: 8,251,370 km (0.091 R)
• M30: 9,066,229 km (0.102 R)
• M31: 9,258,014 km (0.097 R)
• M32: 9,629,166 km (0.055 R)
• M33: 9,824,840 km (0.076 R)
• M34: 10,303,105 km (0.107 R)
• M35: 11,299,576 km (0.066 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 520 - 17,180 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit