🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 971.4

Radius: 12

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 0.53 AU - 0.81 AU

Year: 379 Days

Day: 11.1 Hours

Environment

Temp: -155 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 69,439,143 km

• M1: 150,795 km (0.117 R)
• M2: 481,855 km (0.102 R)
• M3: 751,879 km (0.067 R)
• M4: 990,936 km (0.117 R)
• M5: 1,254,378 km (0.031 R)
• M6: 1,756,728 km (0.068 R)
• M7: 2,210,757 km (0.061 R)
• M8: 2,574,879 km (0.094 R)
• M9: 2,847,446 km (0.047 R)
• M10: 3,109,392 km (0.098 R)
• M11: 3,569,854 km (0.116 R)
• M12: 4,179,914 km (0.119 R)
• M13: 4,437,970 km (0.077 R)
• M14: 4,967,547 km (0.097 R)
• M15: 5,516,421 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 841.1

Radius: 11.2

Gravity: 6.71 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.63 AU - 0.79 AU

Year: 413 Days

Day: 11 Hours

Environment

Temp: -150 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,439,143 km

• M1: 139,276 km (0.083 R)
• M2: 424,110 km (0.105 R)
• M3: 881,879 km (0.065 R)
• M4: 1,112,559 km (0.092 R)
• M5: 1,631,514 km (0.118 R)
• M6: 2,141,494 km (0.102 R)
• M7: 2,354,670 km (0.099 R)
• M8: 3,075,882 km (0.113 R)
• M9: 3,965,241 km (0.046 R)
• M10: 4,218,211 km (0.054 R)
• M11: 4,459,064 km (0.116 R)
• M12: 4,918,329 km (0.111 R)
• M13: 5,278,112 km (0.057 R)
• M14: 5,673,948 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.1

Radius: 9.8

Gravity: 7.16 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 0.77 AU - 1.01 AU

Year: 580 Days

Day: 9.9 Hours

Environment

Temp: -174 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 69,439,143 km

• M1: 122,221 km (0.112 R)
• M2: 335,847 km (0.041 R)
• M3: 570,716 km (0.117 R)
• M4: 827,575 km (0.11 R)
• M5: 1,230,143 km (0.103 R)
• M6: 1,540,260 km (0.037 R)
• M7: 1,777,522 km (0.086 R)
• M8: 2,129,675 km (0.116 R)
• M9: 2,434,257 km (0.118 R)
• M10: 3,247,321 km (0.034 R)
• M11: 3,684,596 km (0.116 R)
• M12: 3,867,554 km (0.112 R)
• M13: 4,076,093 km (0.116 R)
• M14: 4,410,594 km (0.072 R)
• M15: 4,701,711 km (0.113 R)
• M16: 5,014,072 km (0.1 R)
• M17: 5,508,194 km (0.098 R)
• M18: 5,757,723 km (0.107 R)
• M19: 6,500,177 km (0.027 R)
• M20: 6,730,558 km (0.076 R)
• M21: 7,146,889 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 535.3

Radius: 14.4

Gravity: 2.58 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 0.77 AU - 1.27 AU

Year: 711 Days

Day: 5.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 27 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,439,143 km

• M1: 183,706 km (0.046 R)
• M2: 463,305 km (0.071 R)
• M3: 750,832 km (0.106 R)
• M4: 1,075,160 km (0.087 R)
• M5: 1,362,837 km (0.116 R)
• M6: 1,663,977 km (0.103 R)
• M7: 2,073,426 km (0.114 R)
• M8: 2,400,896 km (0.091 R)
• M9: 2,798,378 km (0.113 R)
• M10: 3,069,150 km (0.112 R)
• M11: 3,887,749 km (0.072 R)
• M12: 4,703,507 km (0.112 R)
• M13: 5,021,402 km (0.108 R)
• M14: 5,486,951 km (0.107 R)
• M15: 6,039,565 km (0.094 R)
• M16: 6,884,644 km (0.12 R)
• M17: 7,198,051 km (0.1 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 570.8

Radius: 12.4

Gravity: 3.71 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.91 AU - 1.19 AU

Year: 743 Days

Day: 9 Hours

Environment

Temp: -173 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,439,143 km

• M1: 154,684 km (0.096 R)
• M2: 505,491 km (0.113 R)
• M3: 806,931 km (0.027 R)
• M4: 1,184,067 km (0.094 R)
• M5: 1,423,424 km (0.092 R)
• M6: 1,736,831 km (0.112 R)
• M7: 2,526,858 km (0.052 R)
• M8: 2,792,394 km (0.114 R)
• M9: 3,148,736 km (0.034 R)
• M10: 3,842,721 km (0.094 R)
• M11: 4,082,825 km (0.052 R)
• M12: 4,410,744 km (0.102 R)
• M13: 5,694,892 km (0.089 R)
• M14: 6,069,634 km (0.117 R)
• M15: 6,569,291 km (0.062 R)
• M16: 7,207,476 km (0.056 R)
• M17: 7,922,554 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.7

Radius: 15

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.06 AU - 1.48 AU

Year: 988 Days

Day: 14.5 Hours

Environment

Temp: -181 °C

Axial Tilt: 2.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 69,439,143 km

• M1: 215,870 km (0.099 R)
• M2: 597,643 km (0.072 R)
• M3: 1,119,740 km (0.098 R)
• M4: 1,506,301 km (0.049 R)
• M5: 2,006,257 km (0.094 R)
• M6: 2,307,398 km (0.099 R)
• M7: 2,658,803 km (0.092 R)
• M8: 3,017,688 km (0.049 R)
• M9: 3,742,191 km (0.098 R)
• M10: 5,022,001 km (0.081 R)
• M11: 5,478,872 km (0.063 R)
• M12: 6,338,761 km (0.083 R)
• M13: 6,763,170 km (0.039 R)
• M14: 7,201,641 km (0.072 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 513.5

Radius: 13.6

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 1.63 AU - 2.51 AU

Year: 2056 Days

Day: 12.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 57.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,439,143 km

• M1: 170,392 km (0.109 R)
• M2: 467,344 km (0.099 R)
• M3: 733,628 km (0.117 R)
• M4: 1,183,020 km (0.072 R)
• M5: 1,555,219 km (0.109 R)
• M6: 2,222,276 km (0.114 R)
• M7: 2,714,902 km (0.055 R)
• M8: 3,125,698 km (0.075 R)
• M9: 5,162,323 km (0.055 R)
• M10: 5,841,647 km (0.064 R)
• M11: 7,708,180 km (0.119 R)
• M12: 8,205,294 km (0.118 R)
• M13: 8,900,325 km (0.06 R)
• M14: 10,802,013 km (0.042 R)
• M15: 12,209,580 km (0.106 R)
• M16: 13,449,297 km (0.117 R)
• M17: 14,514,135 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 151.7

Radius: 4.8

Gravity: 6.58 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 5.92 AU - 5.92 AU

Year: 9942 Days

Day: 15.4 Hours

Environment

Temp: -236 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 69,439,143 km

• M1: 110,553 km (0.038 R)
• M2: 204,949 km (0.12 R)
• M3: 562,039 km (0.091 R)
• M4: 1,532,181 km (0.094 R)
• M5: 2,008,501 km (0.034 R)
• M6: 2,255,786 km (0.106 R)
• M7: 3,104,754 km (0.118 R)
• M8: 4,222,549 km (0.079 R)
• M9: 4,444,553 km (0.11 R)
• M10: 5,193,739 km (0.114 R)
• M11: 5,316,110 km (0.052 R)
• M12: 5,641,037 km (0.118 R)
• M13: 6,159,842 km (0.064 R)
• M14: 6,729,660 km (0.113 R)
• M15: 8,096,686 km (0.044 R)
• M16: 8,685,652 km (0.082 R)
• M17: 15,087,843 km (0.027 R)
• M18: 17,196,874 km (0.071 R)
• M19: 17,330,465 km (0.072 R)
• M20: 17,960,870 km (0.113 R)
• M21: 21,431,241 km (0.071 R)
• M22: 24,940,359 km (0.074 R)
• M23: 26,850,424 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 437.1

Radius: 3.6

Gravity: 33.73 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 9.55 AU - 10.45 AU

Year: 21828 Days

Day: 20.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 69,439,143 km

• M1: 606,919 km (0.098 R)
• M2: 899,831 km (0.056 R)
• M3: 2,050,239 km (0.095 R)
• M4: 2,121,747 km (0.114 R)
• M5: 2,683,487 km (0.119 R)
• M6: 2,820,518 km (0.11 R)
• M7: 3,163,696 km (0.096 R)
• M8: 4,347,314 km (0.116 R)
• M9: 4,451,584 km (0.092 R)
• M10: 4,735,820 km (0.105 R)
• M11: 10,224,117 km (0.088 R)
• M12: 10,545,603 km (0.092 R)
• M13: 14,601,201 km (0.062 R)
• M14: 16,842,626 km (0.105 R)
• M15: 17,116,839 km (0.094 R)
• M16: 17,602,134 km (0.098 R)
• M17: 19,317,573 km (0.118 R)
• M18: 23,712,160 km (0.065 R)
• M19: 25,110,152 km (0.11 R)
• M20: 28,468,774 km (0.089 R)
• M21: 29,544,532 km (0.109 R)
• M22: 31,569,040 km (0.106 R)
• M23: 35,620,151 km (0.042 R)
• M24: 37,329,605 km (0.027 R)
• M25: 42,372,699 km (0.073 R)
• M26: 43,683,326 km (0.061 R)
• M27: 44,124,640 km (0.095 R)
• M28: 45,462,045 km (0.087 R)
• M29: 45,912,335 km (0.099 R)
• M30: 46,819,496 km (0.12 R)
• M31: 52,087,435 km (0.071 R)
• M32: 58,907,902 km (0.086 R)
• M33: 59,548,779 km (0.102 R)
• M34: 59,934,891 km (0.109 R)
• M35: 61,492,205 km (0.093 R)
• M36: 63,865,425 km (0.079 R)
• M37: 69,161,788 km (0.081 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 240 - 17,742 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit