🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 921.1

Radius: 14.5

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.77 AU - 0.79 AU

Year: 459 Days

Day: 9.6 Hours

Environment

Temp: -172 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 67,899,193 km

• M1: 180,415 km (0.091 R)
• M2: 655,837 km (0.098 R)
• M3: 1,147,116 km (0.093 R)
• M4: 1,709,455 km (0.118 R)
• M5: 2,303,508 km (0.095 R)
• M6: 2,835,478 km (0.073 R)
• M7: 3,291,004 km (0.112 R)
• M8: 3,903,008 km (0.109 R)
• M9: 4,666,706 km (0.06 R)
• M10: 5,737,378 km (0.113 R)
• M11: 6,321,856 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 429.3

Radius: 12.5

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 0.78 AU - 1.04 AU

Year: 579 Days

Day: 12.1 Hours

Environment

Temp: -165 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,899,193 km

• M1: 155,432 km (0.111 R)
• M2: 544,087 km (0.12 R)
• M3: 963,111 km (0.114 R)
• M4: 1,716,486 km (0.094 R)
• M5: 2,242,921 km (0.07 R)
• M6: 2,781,772 km (0.105 R)
• M7: 3,663,652 km (0.097 R)
• M8: 4,516,958 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.5

Radius: 10.6

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.16 AU - 1.4 AU

Year: 966 Days

Day: 12 Hours

Environment

Temp: -179 °C

Axial Tilt: 18.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,899,193 km

• M1: 131,796 km (0.033 R)
• M2: 552,465 km (0.112 R)
• M3: 946,057 km (0.113 R)
• M4: 1,505,553 km (0.104 R)
• M5: 1,852,770 km (0.092 R)
• M6: 2,354,670 km (0.087 R)
• M7: 2,789,252 km (0.099 R)
• M8: 3,276,941 km (0.104 R)
• M9: 3,773,606 km (0.054 R)
• M10: 5,591,520 km (0.079 R)
• M11: 6,191,257 km (0.049 R)
• M12: 7,244,576 km (0.105 R)
• M13: 8,550,715 km (0.07 R)
• M14: 11,088,643 km (0.059 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584

Radius: 11.6

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 1.71 AU - 2.19 AU

Year: 1816 Days

Day: 5.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 88.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,899,193 km

• M1: 144,362 km (0.119 R)
• M2: 541,694 km (0.11 R)
• M3: 911,350 km (0.084 R)
• M4: 1,307,635 km (0.078 R)
• M5: 3,500,889 km (0.11 R)
• M6: 4,387,855 km (0.062 R)
• M7: 5,463,314 km (0.087 R)
• M8: 7,367,546 km (0.058 R)
• M9: 7,927,341 km (0.108 R)
• M10: 9,778,315 km (0.117 R)
• M11: 10,146,625 km (0.08 R)
• M12: 10,559,067 km (0.085 R)
• M13: 11,307,804 km (0.116 R)
• M14: 13,601,588 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.8

Radius: 12.2

Gravity: 5.51 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 2.33 AU - 2.61 AU

Year: 2589 Days

Day: 14.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 44.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,899,193 km

• M1: 151,842 km (0.09 R)
• M2: 533,765 km (0.068 R)
• M3: 1,077,853 km (0.087 R)
• M4: 1,556,117 km (0.054 R)
• M5: 2,748,562 km (0.116 R)
• M6: 3,139,162 km (0.077 R)
• M7: 3,776,000 km (0.051 R)
• M8: 6,161,188 km (0.111 R)
• M9: 10,311,033 km (0.073 R)
• M10: 11,020,426 km (0.114 R)
• M11: 12,318,337 km (0.106 R)
• M12: 13,208,295 km (0.04 R)
• M13: 14,428,715 km (0.108 R)
• M14: 15,876,972 km (0.055 R)
• M15: 17,585,230 km (0.077 R)
• M16: 18,770,942 km (0.032 R)
• M17: 20,556,243 km (0.107 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.7

Radius: 9.7

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.61 AU - 3.77 AU

Year: 3799 Days

Day: 13.8 Hours

Environment

Temp: -204 °C

Axial Tilt: 26.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 67,899,193 km

• M1: 120,576 km (0.075 R)
• M2: 591,211 km (0.041 R)
• M3: 929,152 km (0.092 R)
• M4: 1,399,338 km (0.1 R)
• M5: 1,851,722 km (0.073 R)
• M6: 2,997,941 km (0.116 R)
• M7: 3,384,502 km (0.091 R)
• M8: 4,052,457 km (0.097 R)
• M9: 4,748,984 km (0.039 R)
• M10: 5,481,715 km (0.111 R)
• M11: 6,018,023 km (0.088 R)
• M12: 6,333,525 km (0.105 R)
• M13: 6,924,586 km (0.114 R)
• M14: 7,474,508 km (0.103 R)
• M15: 9,271,178 km (0.064 R)
• M16: 10,542,760 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 344.1

Radius: 9.1

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 4.14 AU - 5.92 AU

Year: 7523 Days

Day: 14.7 Hours

Environment

Temp: -226 °C

Axial Tilt: 8.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 67,899,193 km

• M1: 113,545 km (0.045 R)
• M2: 470,934 km (0.097 R)
• M3: 887,115 km (0.093 R)
• M4: 1,221,317 km (0.092 R)
• M5: 1,755,980 km (0.103 R)
• M6: 3,150,082 km (0.12 R)
• M7: 3,673,825 km (0.093 R)
• M8: 3,991,870 km (0.036 R)
• M9: 4,895,291 km (0.08 R)
• M10: 5,837,758 km (0.086 R)
• M11: 6,177,345 km (0.089 R)
• M12: 6,497,634 km (0.067 R)
• M13: 8,857,540 km (0.107 R)
• M14: 9,224,205 km (0.07 R)
• M15: 9,728,649 km (0.051 R)
• M16: 11,883,756 km (0.104 R)
• M17: 12,890,699 km (0.093 R)
• M18: 13,203,508 km (0.114 R)
• M19: 13,953,442 km (0.091 R)
• M20: 17,365,321 km (0.071 R)
• M21: 18,726,661 km (0.113 R)
• M22: 20,509,120 km (0.108 R)
• M23: 21,296,304 km (0.065 R)
• M24: 21,807,480 km (0.088 R)
• M25: 23,083,400 km (0.117 R)
• M26: 23,467,867 km (0.092 R)
• M27: 24,328,952 km (0.118 R)
• M28: 24,887,700 km (0.107 R)
• M29: 26,447,707 km (0.071 R)
• M30: 27,897,759 km (0.094 R)
• M31: 29,041,883 km (0.1 R)
• M32: 29,943,061 km (0.066 R)
• M33: 30,492,534 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 212.3

Radius: 3.9

Gravity: 13.96 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 5.98 AU - 6.14 AU

Year: 9948 Days

Day: 22.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,899,193 km

• M1: 48,919 km (0.117 R)
• M2: 188,344 km (0.069 R)
• M3: 742,005 km (0.11 R)
• M4: 1,630,916 km (0.097 R)
• M5: 2,289,446 km (0.045 R)
• M6: 3,293,846 km (0.099 R)
• M7: 3,595,884 km (0.119 R)
• M8: 7,853,290 km (0.079 R)
• M9: 8,953,582 km (0.083 R)
• M10: 9,583,389 km (0.102 R)
• M11: 15,543,069 km (0.077 R)
• M12: 17,845,081 km (0.107 R)
• M13: 18,907,226 km (0.118 R)
• M14: 19,731,062 km (0.071 R)
• M15: 21,894,696 km (0.09 R)
• M16: 25,018,748 km (0.032 R)
• M17: 25,264,238 km (0.111 R)
• M18: 30,334,409 km (0.12 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 641.8

Radius: 5.2

Gravity: 23.74 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 7.56 AU - 7.9 AU

Year: 14332 Days

Day: 19.2 Hours

Environment

Temp: -242 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 67,899,193 km

• M1: 112,647 km (0.087 R)
• M2: 352,153 km (0.1 R)
• M3: 555,606 km (0.067 R)
• M4: 837,598 km (0.071 R)
• M5: 1,029,084 km (0.09 R)
• M6: 2,866,594 km (0.119 R)
• M7: 3,410,682 km (0.075 R)
• M8: 6,169,416 km (0.113 R)
• M9: 6,407,277 km (0.098 R)
• M10: 6,859,212 km (0.106 R)
• M11: 9,973,391 km (0.107 R)
• M12: 10,246,108 km (0.057 R)
• M13: 12,172,480 km (0.083 R)
• M14: 13,783,349 km (0.055 R)
• M15: 16,195,017 km (0.107 R)
• M16: 22,294,122 km (0.09 R)
• M17: 23,233,297 km (0.096 R)
• M18: 25,798,003 km (0.098 R)
• M19: 35,238,227 km (0.055 R)
• M20: 41,767,875 km (0.112 R)
• M21: 42,476,371 km (0.099 R)
• M22: 47,661,134 km (0.096 R)
• M23: 48,434,704 km (0.093 R)

Asteroid Belt

Center: 8.07 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 8.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.1

Radius: 6.8

Gravity: 15.92 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 7 AU - 9.82 AU

Year: 16264 Days

Day: 21.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 67,899,193 km

• M1: 86,468 km (0.05 R)
• M2: 2,065,947 km (0.075 R)
• M3: 2,543,912 km (0.064 R)
• M4: 7,170,376 km (0.062 R)
• M5: 7,917,318 km (0.108 R)
• M6: 11,677,759 km (0.104 R)
• M7: 12,909,548 km (0.114 R)
• M8: 13,591,715 km (0.063 R)
• M9: 15,477,246 km (0.108 R)
• M10: 20,298,636 km (0.029 R)
• M11: 22,654,054 km (0.097 R)
• M12: 26,683,024 km (0.105 R)
• M13: 29,736,167 km (0.082 R)
• M14: 33,774,412 km (0.075 R)
• M15: 34,287,383 km (0.116 R)
• M16: 38,302,141 km (0.095 R)
• M17: 39,141,086 km (0.065 R)
• M18: 39,849,432 km (0.055 R)
• M19: 45,671,033 km (0.088 R)
• M20: 47,730,846 km (0.065 R)
• M21: 50,350,006 km (0.067 R)
• M22: 53,930,930 km (0.11 R)
• M23: 54,807,873 km (0.109 R)
• M24: 56,770,597 km (0.084 R)
• M25: 60,082,544 km (0.085 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 150 - 10,392 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit