🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.87 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.6

Radius: 12.6

Gravity: 4.2 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.54 AU - 1.92 AU

Year: 1469 Days

Day: 6.2 Hours

Environment

Temp: -174 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 23,654,147 km

• M1: 159,322 km (0.115 R)
• M2: 702,811 km (0.078 R)
• M3: 1,097,600 km (0.115 R)
• M4: 1,620,145 km (0.103 R)
• M5: 2,069,537 km (0.086 R)
• M6: 2,654,165 km (0.055 R)
• M7: 3,226,377 km (0.109 R)
• M8: 4,562,885 km (0.119 R)
• M9: 5,198,975 km (0.11 R)
• M10: 6,430,464 km (0.079 R)
• M11: 7,521,781 km (0.118 R)
• M12: 9,683,919 km (0.102 R)
• M13: 10,399,745 km (0.096 R)
• M14: 11,900,810 km (0.096 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 932.6

Radius: 14.4

Gravity: 4.5 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.8 AU - 2.22 AU

Year: 1840 Days

Day: 8.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 23,654,147 km

• M1: 179,069 km (0.106 R)
• M2: 680,820 km (0.066 R)
• M3: 1,157,140 km (0.111 R)
• M4: 2,947,377 km (0.056 R)
• M5: 3,395,423 km (0.087 R)
• M6: 3,852,594 km (0.097 R)
• M7: 4,958,272 km (0.085 R)
• M8: 6,163,731 km (0.106 R)
• M9: 6,959,592 km (0.1 R)
• M10: 8,405,904 km (0.074 R)
• M11: 9,903,379 km (0.076 R)
• M12: 11,339,668 km (0.094 R)
• M13: 11,967,530 km (0.097 R)
• M14: 13,422,220 km (0.074 R)
• M15: 13,902,878 km (0.115 R)
• M16: 14,531,339 km (0.069 R)
• M17: 15,178,798 km (0.091 R)
• M18: 15,942,047 km (0.091 R)
• M19: 16,531,313 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.5

Radius: 14.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 2.68 AU - 3.2 AU

Year: 3255 Days

Day: 8.4 Hours

Environment

Temp: -203 °C

Axial Tilt: 146 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 23,654,147 km

• M1: 181,612 km (0.111 R)
• M2: 860,786 km (0.093 R)
• M3: 1,366,577 km (0.059 R)
• M4: 1,889,571 km (0.083 R)
• M5: 2,956,952 km (0.053 R)
• M6: 3,484,882 km (0.085 R)
• M7: 4,096,738 km (0.112 R)
• M8: 4,802,989 km (0.099 R)
• M9: 5,461,070 km (0.066 R)
• M10: 5,986,907 km (0.074 R)
• M11: 8,033,854 km (0.035 R)
• M12: 9,926,866 km (0.103 R)
• M13: 10,433,554 km (0.11 R)
• M14: 14,136,101 km (0.067 R)
• M15: 14,728,359 km (0.106 R)
• M16: 15,440,445 km (0.104 R)
• M17: 17,771,629 km (0.045 R)
• M18: 19,051,139 km (0.065 R)
• M19: 19,958,151 km (0.118 R)
• M20: 21,084,473 km (0.082 R)
• M21: 21,598,342 km (0.04 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 785.3

Radius: 11.9

Gravity: 5.55 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.23 AU - 3.71 AU

Year: 4174 Days

Day: 7.1 Hours

Environment

Temp: -204 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 23,654,147 km

• M1: 147,952 km (0.116 R)
• M2: 518,955 km (0.081 R)
• M3: 1,158,636 km (0.087 R)
• M4: 2,738,688 km (0.031 R)
• M5: 3,288,161 km (0.104 R)
• M6: 3,801,581 km (0.056 R)
• M7: 4,344,173 km (0.115 R)
• M8: 5,042,196 km (0.037 R)
• M9: 6,137,701 km (0.096 R)
• M10: 6,694,056 km (0.066 R)
• M11: 7,250,111 km (0.111 R)
• M12: 8,015,454 km (0.1 R)
• M13: 10,463,623 km (0.069 R)
• M14: 12,970,435 km (0.082 R)
• M15: 15,514,047 km (0.063 R)
• M16: 16,725,192 km (0.112 R)
• M17: 21,357,639 km (0.097 R)
• M18: 22,709,555 km (0.06 R)
• M19: 27,107,433 km (0.106 R)
• M20: 27,601,106 km (0.06 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 776.3

Radius: 13.2

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 3.19 AU - 4.07 AU

Year: 4466 Days

Day: 14.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,654,147 km

• M1: 164,258 km (0.063 R)
• M2: 575,653 km (0.103 R)
• M3: 1,335,759 km (0.117 R)
• M4: 1,769,892 km (0.06 R)
• M5: 2,408,675 km (0.081 R)
• M6: 3,121,060 km (0.08 R)
• M7: 4,609,858 km (0.111 R)
• M8: 6,157,149 km (0.089 R)
• M9: 7,739,147 km (0.12 R)
• M10: 8,586,918 km (0.081 R)
• M11: 11,136,365 km (0.11 R)
• M12: 12,363,217 km (0.119 R)
• M13: 13,521,852 km (0.112 R)
• M14: 14,478,232 km (0.042 R)
• M15: 15,309,098 km (0.066 R)
• M16: 16,945,100 km (0.09 R)
• M17: 18,565,993 km (0.089 R)
• M18: 19,216,146 km (0.082 R)
• M19: 21,541,046 km (0.111 R)
• M20: 22,042,049 km (0.115 R)
• M21: 26,334,760 km (0.119 R)
• M22: 27,405,582 km (0.099 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.9

Radius: 11.9

Gravity: 4.02 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.81 AU - 4.53 AU

Year: 4540 Days

Day: 11 Hours

Environment

Temp: -211 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 23,654,147 km

• M1: 147,952 km (0.063 R)
• M2: 635,193 km (0.083 R)
• M3: 1,091,017 km (0.113 R)
• M4: 1,779,915 km (0.104 R)
• M5: 2,403,739 km (0.116 R)
• M6: 2,793,291 km (0.073 R)
• M7: 3,517,944 km (0.113 R)
• M8: 4,135,184 km (0.085 R)
• M9: 4,873,450 km (0.115 R)
• M10: 5,782,406 km (0.057 R)
• M11: 6,217,886 km (0.082 R)
• M12: 7,589,250 km (0.051 R)
• M13: 8,255,858 km (0.12 R)
• M14: 9,426,760 km (0.073 R)
• M15: 10,835,075 km (0.078 R)
• M16: 11,910,534 km (0.111 R)
• M17: 14,220,774 km (0.071 R)
• M18: 16,699,012 km (0.102 R)
• M19: 19,005,362 km (0.028 R)
• M20: 19,452,211 km (0.117 R)
• M21: 24,994,962 km (0.088 R)
• M22: 25,454,676 km (0.045 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 505.9

Radius: 9.5

Gravity: 5.61 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 3.94 AU - 4.32 AU

Year: 5419 Days

Day: 8.6 Hours

Environment

Temp: -202 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 23,654,147 km

• M1: 118,332 km (0.064 R)
• M2: 467,045 km (0.092 R)
• M3: 803,341 km (0.037 R)
• M4: 1,306,139 km (0.097 R)
• M5: 1,819,559 km (0.118 R)
• M6: 2,227,961 km (0.104 R)
• M7: 2,819,770 km (0.056 R)
• M8: 3,410,532 km (0.054 R)
• M9: 4,609,410 km (0.11 R)
• M10: 5,429,804 km (0.058 R)
• M11: 6,628,233 km (0.079 R)
• M12: 9,377,243 km (0.029 R)
• M13: 12,808,270 km (0.094 R)
• M14: 13,939,380 km (0.098 R)
• M15: 16,399,517 km (0.078 R)
• M16: 17,608,118 km (0.091 R)
• M17: 24,092,737 km (0.054 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.6

Radius: 14.6

Gravity: 0.41 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 3.77 AU - 4.77 AU

Year: 5697 Days

Day: 5.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 23,654,147 km

• M1: 184,753 km (0.085 R)
• M2: 1,707,510 km (0.062 R)
• M3: 2,695,155 km (0.025 R)
• M4: 3,570,004 km (0.095 R)
• M5: 4,857,892 km (0.075 R)
• M6: 5,457,480 km (0.093 R)
• M7: 6,156,401 km (0.103 R)
• M8: 7,851,943 km (0.038 R)
• M9: 8,460,508 km (0.056 R)
• M10: 9,980,272 km (0.103 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 589.5

Radius: 10.6

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 4.79 AU - 6.59 AU

Year: 8764 Days

Day: 9.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 15.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 23,654,147 km

• M1: 131,796 km (0.107 R)
• M2: 897,587 km (0.065 R)
• M3: 1,560,605 km (0.057 R)
• M4: 2,025,555 km (0.11 R)
• M5: 5,334,510 km (0.096 R)
• M6: 5,783,902 km (0.117 R)
• M7: 6,328,289 km (0.079 R)
• M8: 7,018,833 km (0.087 R)
• M9: 7,839,826 km (0.035 R)
• M10: 8,210,679 km (0.084 R)
• M11: 9,257,565 km (0.095 R)
• M12: 12,649,846 km (0.087 R)
• M13: 16,793,408 km (0.096 R)
• M14: 19,883,203 km (0.08 R)
• M15: 23,417,901 km (0.119 R)
• M16: 25,873,251 km (0.084 R)
• M17: 30,473,685 km (0.114 R)
• M18: 31,084,493 km (0.045 R)
• M19: 35,033,727 km (0.075 R)
• M20: 35,816,722 km (0.059 R)
• M21: 37,186,141 km (0.113 R)
• M22: 38,118,285 km (0.025 R)
• M23: 39,065,988 km (0.079 R)
• M24: 39,666,175 km (0.084 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 45.7

Radius: 4.2

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 6.33 AU - 8.79 AU

Year: 13421 Days

Day: 15.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 5.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 23,654,147 km

• M1: 54,603 km (0.07 R)
• M2: 208,988 km (0.116 R)
• M3: 420,968 km (0.091 R)
• M4: 3,915,126 km (0.11 R)
• M5: 5,150,206 km (0.119 R)
• M6: 9,083,732 km (0.113 R)
• M7: 10,290,688 km (0.069 R)
• M8: 10,743,521 km (0.064 R)
• M9: 11,382,304 km (0.076 R)
• M10: 16,467,584 km (0.096 R)
• M11: 19,843,858 km (0.026 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 339 - 14,839 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit