🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.53

Radius: 1.19

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.47 AU - 0.65 AU

Year: 149 Days

Day: 43 Hours

Environment

Temp: 266 °C

Axial Tilt: 0.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.67 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.09

Radius: 1.34

Gravity: 1.16 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 0.58 AU - 0.76 AU

Year: 195 Days

Day: 22 Hours

Environment

Temp: 180 °C

Axial Tilt: 10.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.69

Radius: 1.86

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 0.53 AU - 0.87 AU

Year: 208 Days

Day: 20.7 Hours

Environment

Temp: 131 °C

Axial Tilt: 7.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 70,474,458 km

• M1: 136,882 km (0.116 R)

Planet 4 - Terrestrial

Semi-Major Axis: 0.71 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.82

Radius: 1.88

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.62 AU - 0.8 AU

Year: 212 Days

Day: 25.5 Hours

Environment

Temp: 146 °C

Axial Tilt: 28.5 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 70,474,458 km

• M1: 372,499 km (0.082 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.5

Radius: 1.18

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.52 AU - 1.86 AU

Year: 779 Days

Day: 33.8 Hours

Environment

Temp: -40 °C

Axial Tilt: 39 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 70,474,458 km

• M1: 114,293 km (0.08 R)
• M2: 425,157 km (0.054 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.11

Radius: 1.04

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.75 AU - 3.07 AU

Year: 1761 Days

Day: 16.6 Hours

Environment

Temp: -98 °C

Axial Tilt: 37 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 5.3 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Gas Giant

Semi-Major Axis: 7.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.4

Radius: 8.2

Gravity: 9.75 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 5.87 AU - 9.51 AU

Year: 7565 Days

Day: 13.2 Hours

Environment

Temp: -157 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (92)

Outer Limit: 70,474,458 km

• M1: 108,458 km (0.114 R)
• M2: 166,802 km (0.042 R)
• M3: 256,560 km (0.115 R)
• M4: 369,208 km (0.037 R)
• M5: 450,738 km (0.043 R)
• M6: 565,779 km (0.07 R)
• M7: 1,851,274 km (0.084 R)
• M8: 2,020,618 km (0.107 R)
• M9: 2,217,040 km (0.072 R)
• M10: 2,771,301 km (0.114 R)
• M11: 2,892,026 km (0.029 R)
• M12: 3,014,547 km (0.03 R)
• M13: 3,418,311 km (0.108 R)
• M14: 3,892,985 km (0.104 R)
• M15: 4,248,580 km (0.074 R)
• M16: 4,332,205 km (0.1 R)
• M17: 4,845,176 km (0.044 R)
• M18: 5,773,431 km (0.117 R)
• M19: 6,147,276 km (0.118 R)
• M20: 6,400,844 km (0.103 R)
• M21: 6,690,316 km (0.074 R)
• M22: 6,820,317 km (0.089 R)
• M23: 7,415,866 km (0.103 R)
• M24: 7,550,504 km (0.09 R)
• M25: 7,924,798 km (0.092 R)
• M26: 8,096,985 km (0.105 R)
• M27: 8,166,249 km (0.096 R)
• M28: 8,691,636 km (0.098 R)
• M29: 9,192,041 km (0.034 R)
• M30: 9,482,111 km (0.089 R)
• M31: 9,555,115 km (0.065 R)
• M32: 9,701,572 km (0.103 R)
• M33: 9,775,174 km (0.057 R)
• M34: 10,370,274 km (0.108 R)
• M35: 10,596,616 km (0.062 R)
• M36: 11,712,915 km (0.099 R)
• M37: 12,066,863 km (0.051 R)
• M38: 12,146,001 km (0.075 R)
• M39: 12,225,437 km (0.081 R)
• M40: 12,624,564 km (0.044 R)
• M41: 13,682,520 km (0.12 R)
• M42: 13,972,142 km (0.11 R)
• M43: 15,150,973 km (0.11 R)
• M44: 15,838,974 km (0.083 R)
• M45: 15,968,974 km (0.093 R)
• M46: 16,317,837 km (0.108 R)
• M47: 16,845,618 km (0.119 R)
• M48: 17,111,603 km (0.067 R)
• M49: 17,602,882 km (0.068 R)
• M50: 17,963,114 km (0.037 R)
• M51: 18,280,261 km (0.101 R)
• M52: 18,507,949 km (0.106 R)
• M53: 18,644,981 km (0.105 R)
• M54: 19,012,244 km (0.115 R)
• M55: 19,335,525 km (0.087 R)
• M56: 19,847,150 km (0.075 R)
• M57: 20,551,905 km (0.077 R)
• M58: 20,646,601 km (0.103 R)
• M59: 20,741,296 km (0.114 R)
• M60: 21,793,119 km (0.084 R)
• M61: 22,325,388 km (0.103 R)
• M62: 22,715,389 km (0.099 R)
• M63: 22,813,226 km (0.089 R)
• M64: 23,009,200 km (0.052 R)
• M65: 23,353,724 km (0.098 R)
• M66: 24,247,272 km (0.119 R)
• M67: 24,497,549 km (0.05 R)
• M68: 25,000,497 km (0.074 R)
• M69: 25,405,309 km (0.039 R)
• M70: 26,426,913 km (0.044 R)
• M71: 26,839,354 km (0.084 R)
• M72: 27,357,860 km (0.118 R)
• M73: 27,514,040 km (0.108 R)
• M74: 27,618,310 km (0.119 R)
• M75: 27,984,376 km (0.113 R)
• M76: 28,615,679 km (0.114 R)
• M77: 28,668,487 km (0.094 R)
• M78: 28,721,295 km (0.079 R)
• M79: 30,106,871 km (0.106 R)
• M80: 30,268,137 km (0.084 R)
• M81: 30,483,558 km (0.109 R)
• M82: 31,187,416 km (0.1 R)
• M83: 31,296,174 km (0.098 R)
• M84: 32,831,945 km (0.082 R)
• M85: 33,943,906 km (0.064 R)
• M86: 33,999,856 km (0.085 R)
• M87: 34,560,698 km (0.052 R)
• M88: 35,805,502 km (0.114 R)
• M89: 36,261,776 km (0.103 R)
• M90: 36,949,776 km (0.026 R)
• M91: 38,106,018 km (0.103 R)
• M92: 39,039,509 km (0.046 R)

Planet 8 - Ice Giant

Semi-Major Axis: 13.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 233.6

Radius: 7.2

Gravity: 4.51 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 13.98 AU - 14 AU

Year: 18564 Days

Day: 16.3 Hours

Environment

Temp: -189 °C

Axial Tilt: 23.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (89)

Outer Limit: 70,474,458 km

• M1: 102,325 km (0.088 R)
• M2: 254,316 km (0.108 R)
• M3: 478,414 km (0.11 R)
• M4: 723,156 km (0.093 R)
• M5: 1,297,014 km (0.043 R)
• M6: 1,385,276 km (0.117 R)
• M7: 1,832,125 km (0.065 R)
• M8: 2,162,288 km (0.034 R)
• M9: 2,214,796 km (0.041 R)
• M10: 2,456,247 km (0.099 R)
• M11: 2,734,499 km (0.115 R)
• M12: 2,935,409 km (0.105 R)
• M13: 3,141,106 km (0.069 R)
• M14: 3,351,441 km (0.041 R)
• M15: 4,776,211 km (0.113 R)
• M16: 5,264,349 km (0.092 R)
• M17: 5,550,530 km (0.091 R)
• M18: 5,989,300 km (0.085 R)
• M19: 6,287,898 km (0.099 R)
• M20: 6,363,445 km (0.063 R)
• M21: 6,668,175 km (0.086 R)
• M22: 6,938,798 km (0.072 R)
• M23: 7,055,784 km (0.095 R)
• M24: 7,570,699 km (0.106 R)
• M25: 7,893,681 km (0.093 R)
• M26: 7,975,062 km (0.054 R)
• M27: 8,056,743 km (0.058 R)
• M28: 8,138,723 km (0.102 R)
• M29: 8,678,472 km (0.098 R)
• M30: 9,229,740 km (0.106 R)
• M31: 10,144,232 km (0.091 R)
• M32: 10,500,125 km (0.062 R)
• M33: 10,589,734 km (0.061 R)
• M34: 11,041,520 km (0.052 R)
• M35: 11,315,733 km (0.069 R)
• M36: 12,104,712 km (0.083 R)
• M37: 12,387,452 km (0.086 R)
• M38: 12,577,142 km (0.049 R)
• M39: 12,720,008 km (0.106 R)
• M40: 13,393,946 km (0.097 R)
• M41: 13,980,968 km (0.105 R)
• M42: 14,128,920 km (0.118 R)
• M43: 14,576,218 km (0.078 R)
• M44: 14,876,910 km (0.094 R)
• M45: 15,129,132 km (0.08 R)
• M46: 17,091,557 km (0.117 R)
• M47: 17,461,811 km (0.091 R)
• M48: 17,568,026 km (0.084 R)
• M49: 17,995,277 km (0.096 R)
• M50: 18,263,955 km (0.096 R)
• M51: 18,317,810 km (0.101 R)
• M52: 18,805,350 km (0.078 R)
• M53: 19,078,067 km (0.028 R)
• M54: 19,627,390 km (0.058 R)
• M55: 19,903,997 km (0.088 R)
• M56: 20,966,740 km (0.097 R)
• M57: 21,761,703 km (0.105 R)
• M58: 21,818,849 km (0.102 R)
• M59: 22,450,900 km (0.095 R)
• M60: 26,550,480 km (0.116 R)
• M61: 28,091,638 km (0.118 R)
• M62: 28,465,782 km (0.058 R)
• M63: 29,788,377 km (0.089 R)
• M64: 30,361,337 km (0.091 R)
• M65: 31,195,345 km (0.111 R)
• M66: 31,712,355 km (0.101 R)
• M67: 32,427,882 km (0.103 R)
• M68: 32,754,753 km (0.082 R)
• M69: 32,885,950 km (0.107 R)
• M70: 33,017,148 km (0.054 R)
• M71: 38,408,954 km (0.058 R)
• M72: 38,754,974 km (0.079 R)
• M73: 39,938,892 km (0.085 R)
• M74: 40,149,077 km (0.084 R)
• M75: 40,640,805 km (0.058 R)
• M76: 40,852,187 km (0.114 R)
• M77: 41,134,627 km (0.106 R)
• M78: 41,559,485 km (0.089 R)
• M79: 42,199,465 km (0.06 R)
• M80: 43,561,254 km (0.1 R)
• M81: 45,521,136 km (0.073 R)
• M82: 45,813,899 km (0.086 R)
• M83: 46,180,713 km (0.086 R)
• M84: 46,474,972 km (0.081 R)
• M85: 46,917,483 km (0.07 R)
• M86: 47,806,543 km (0.069 R)
• M87: 48,776,087 km (0.105 R)
• M88: 49,451,072 km (0.082 R)
• M89: 50,280,144 km (0.113 R)

Planet 9 - Ice Giant

Semi-Major Axis: 16.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 382.3

Radius: 6.1

Gravity: 10.27 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 15.02 AU - 18.06 AU

Year: 23864 Days

Day: 19.5 Hours

Environment

Temp: -191 °C

Axial Tilt: 110 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (79)

Outer Limit: 70,474,458 km

• M1: 478,863 km (0.097 R)
• M2: 862,881 km (0.06 R)
• M3: 1,059,153 km (0.119 R)
• M4: 1,136,495 km (0.079 R)
• M5: 1,728,903 km (0.119 R)
• M6: 2,574,430 km (0.097 R)
• M7: 2,750,058 km (0.096 R)
• M8: 3,451,971 km (0.099 R)
• M9: 4,003,089 km (0.114 R)
• M10: 4,751,378 km (0.036 R)
• M11: 6,467,116 km (0.117 R)
• M12: 7,290,802 km (0.076 R)
• M13: 7,589,250 km (0.043 R)
• M14: 7,740,044 km (0.099 R)
• M15: 8,146,950 km (0.093 R)
• M16: 8,717,816 km (0.118 R)
• M17: 9,788,338 km (0.101 R)
• M18: 10,007,499 km (0.072 R)
• M19: 10,283,507 km (0.098 R)
• M20: 10,674,406 km (0.099 R)
• M21: 11,183,937 km (0.042 R)
• M22: 11,643,501 km (0.075 R)
• M23: 11,701,396 km (0.033 R)
• M24: 12,521,791 km (0.102 R)
• M25: 13,119,135 km (0.067 R)
• M26: 13,725,754 km (0.104 R)
• M27: 14,155,848 km (0.052 R)
• M28: 14,903,389 km (0.099 R)
• M29: 15,791,701 km (0.112 R)
• M30: 16,177,514 km (0.04 R)
• M31: 16,631,693 km (0.112 R)
• M32: 17,818,752 km (0.089 R)
• M33: 18,019,213 km (0.064 R)
• M34: 20,692,677 km (0.073 R)
• M35: 21,256,212 km (0.042 R)
• M36: 21,326,972 km (0.05 R)
• M37: 21,967,699 km (0.09 R)
• M38: 22,039,357 km (0.114 R)
• M39: 23,780,377 km (0.066 R)
• M40: 24,518,792 km (0.12 R)
• M41: 24,816,342 km (0.105 R)
• M42: 25,489,981 km (0.037 R)
• M43: 25,791,421 km (0.069 R)
• M44: 27,392,717 km (0.083 R)
• M45: 28,244,377 km (0.089 R)
• M46: 29,894,143 km (0.077 R)
• M47: 30,052,866 km (0.09 R)
• M48: 30,211,888 km (0.083 R)
• M49: 33,039,887 km (0.067 R)
• M50: 33,946,001 km (0.038 R)
• M51: 34,610,066 km (0.074 R)
• M52: 35,027,294 km (0.096 R)
• M53: 36,882,906 km (0.039 R)
• M54: 37,822,680 km (0.057 R)
• M55: 40,600,862 km (0.085 R)
• M56: 44,708,072 km (0.077 R)
• M57: 44,889,683 km (0.105 R)
• M58: 44,980,489 km (0.097 R)
• M59: 46,259,102 km (0.066 R)
• M60: 46,626,664 km (0.052 R)
• M61: 47,087,426 km (0.107 R)
• M62: 49,789,313 km (0.092 R)
• M63: 52,158,644 km (0.117 R)
• M64: 52,349,680 km (0.115 R)
• M65: 53,694,117 km (0.119 R)
• M66: 55,049,922 km (0.106 R)
• M67: 57,696,308 km (0.095 R)
• M68: 59,383,623 km (0.095 R)
• M69: 61,894,324 km (0.071 R)
• M70: 62,197,858 km (0.106 R)
• M71: 62,501,990 km (0.039 R)
• M72: 62,806,572 km (0.075 R)
• M73: 64,029,983 km (0.072 R)
• M74: 64,234,633 km (0.055 R)
• M75: 65,570,093 km (0.105 R)
• M76: 65,776,389 km (0.087 R)
• M77: 67,018,649 km (0.054 R)
• M78: 68,164,120 km (0.1 R)
• M79: 70,263,427 km (0.114 R)

Kuiper Belt

Range: 30.9 - 49.9 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 13,291 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit