🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.3 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 416.6

Radius: 12.2

Gravity: 2.8 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.33 AU - 2.85 AU

Year: 2691 Days

Day: 12.9 Hours

Environment

Temp: -196 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,729,920 km

• M1: 154,235 km (0.071 R)
• M2: 544,237 km (0.117 R)
• M3: 960,867 km (0.108 R)
• M4: 1,439,580 km (0.032 R)
• M5: 1,838,558 km (0.064 R)
• M6: 2,497,088 km (0.117 R)
• M7: 3,082,315 km (0.09 R)
• M8: 4,632,597 km (0.116 R)
• M9: 6,105,687 km (0.067 R)
• M10: 7,060,870 km (0.071 R)
• M11: 8,298,343 km (0.071 R)
• M12: 9,233,779 km (0.068 R)
• M13: 9,954,093 km (0.117 R)
• M14: 10,897,307 km (0.085 R)
• M15: 13,301,046 km (0.03 R)
• M16: 15,227,866 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.9

Radius: 12.6

Gravity: 3.66 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 2.4 AU - 2.82 AU

Year: 2723 Days

Day: 9.8 Hours

Environment

Temp: -205 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,729,920 km

• M1: 156,629 km (0.066 R)
• M2: 562,787 km (0.106 R)
• M3: 974,032 km (0.111 R)
• M4: 1,440,478 km (0.034 R)
• M5: 1,890,618 km (0.104 R)
• M6: 2,678,849 km (0.119 R)
• M7: 3,116,572 km (0.116 R)
• M8: 4,468,189 km (0.11 R)
• M9: 4,996,419 km (0.117 R)
• M10: 6,502,122 km (0.109 R)
• M11: 7,094,829 km (0.112 R)
• M12: 11,682,995 km (0.066 R)
• M13: 13,302,991 km (0.118 R)
• M14: 15,409,628 km (0.095 R)
• M15: 16,932,085 km (0.067 R)
• M16: 18,275,624 km (0.12 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 545.6

Radius: 9.7

Gravity: 5.8 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 2.21 AU - 3.49 AU

Year: 3107 Days

Day: 10 Hours

Environment

Temp: -208 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 58,729,920 km

• M1: 120,576 km (0.092 R)
• M2: 565,330 km (0.034 R)
• M3: 916,885 km (0.041 R)
• M4: 1,991,596 km (0.102 R)
• M5: 2,792,394 km (0.091 R)
• M6: 3,436,562 km (0.083 R)
• M7: 4,239,454 km (0.12 R)
• M8: 4,764,692 km (0.094 R)
• M9: 5,162,473 km (0.078 R)
• M10: 6,491,052 km (0.086 R)
• M11: 7,069,846 km (0.03 R)
• M12: 7,588,502 km (0.07 R)
• M13: 8,330,507 km (0.107 R)
• M14: 8,839,888 km (0.09 R)
• M15: 14,403,283 km (0.071 R)
• M16: 15,038,326 km (0.074 R)
• M17: 15,640,906 km (0.074 R)
• M18: 16,259,643 km (0.056 R)
• M19: 17,218,117 km (0.114 R)
• M20: 19,014,488 km (0.1 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 835

Radius: 9.1

Gravity: 10.08 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.42 AU - 3.86 AU

Year: 3593 Days

Day: 11.7 Hours

Environment

Temp: -213 °C

Axial Tilt: 14.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 58,729,920 km

• M1: 113,246 km (0.094 R)
• M2: 418,575 km (0.103 R)
• M3: 715,826 km (0.106 R)
• M4: 1,090,419 km (0.102 R)
• M5: 1,774,380 km (0.046 R)
• M6: 2,133,116 km (0.12 R)
• M7: 4,125,012 km (0.066 R)
• M8: 4,493,770 km (0.099 R)
• M9: 5,218,273 km (0.075 R)
• M10: 5,903,581 km (0.105 R)
• M11: 6,403,088 km (0.03 R)
• M12: 6,835,276 km (0.092 R)
• M13: 8,503,293 km (0.087 R)
• M14: 9,025,988 km (0.058 R)
• M15: 9,649,362 km (0.034 R)
• M16: 10,259,572 km (0.108 R)
• M17: 12,528,223 km (0.096 R)
• M18: 13,754,178 km (0.098 R)
• M19: 14,474,791 km (0.068 R)
• M20: 19,463,730 km (0.096 R)
• M21: 23,992,207 km (0.111 R)
• M22: 24,287,214 km (0.113 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.6

Radius: 8.8

Gravity: 5.28 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 2.86 AU - 4.02 AU

Year: 4120 Days

Day: 5.6 Hours

Environment

Temp: -200 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 58,729,920 km

• M1: 111,750 km (0.081 R)
• M2: 387,010 km (0.037 R)
• M3: 685,906 km (0.115 R)
• M4: 1,095,655 km (0.085 R)
• M5: 1,876,855 km (0.036 R)
• M6: 2,287,351 km (0.085 R)
• M7: 2,567,847 km (0.064 R)
• M8: 3,163,546 km (0.115 R)
• M9: 3,475,458 km (0.073 R)
• M10: 4,226,289 km (0.088 R)
• M11: 5,280,356 km (0.119 R)
• M12: 6,413,710 km (0.068 R)
• M13: 6,735,644 km (0.092 R)
• M14: 7,161,100 km (0.113 R)
• M15: 11,237,044 km (0.097 R)
• M16: 11,576,781 km (0.084 R)
• M17: 12,820,238 km (0.111 R)
• M18: 14,248,898 km (0.088 R)
• M19: 14,950,811 km (0.092 R)
• M20: 15,518,236 km (0.063 R)
• M21: 16,641,417 km (0.078 R)
• M22: 17,932,596 km (0.083 R)
• M23: 19,289,449 km (0.103 R)
• M24: 19,654,467 km (0.046 R)
• M25: 21,941,669 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.7

Radius: 13.8

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 3.74 AU - 4.68 AU

Year: 5577 Days

Day: 6.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,729,920 km

• M1: 173,683 km (0.066 R)
• M2: 720,912 km (0.109 R)
• M3: 1,265,897 km (0.099 R)
• M4: 2,848,194 km (0.099 R)
• M5: 3,580,775 km (0.102 R)
• M6: 4,457,568 km (0.059 R)
• M7: 5,801,256 km (0.106 R)
• M8: 8,057,641 km (0.061 R)
• M9: 9,275,816 km (0.079 R)
• M10: 10,497,283 km (0.073 R)
• M11: 11,574,238 km (0.082 R)
• M12: 12,332,250 km (0.113 R)
• M13: 13,439,873 km (0.108 R)
• M14: 13,901,083 km (0.092 R)
• M15: 14,516,379 km (0.067 R)
• M16: 19,171,715 km (0.11 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.5

Radius: 14.4

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 4.24 AU - 5.8 AU

Year: 7262 Days

Day: 11.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 58,729,920 km

• M1: 180,565 km (0.096 R)
• M2: 661,821 km (0.11 R)
• M3: 1,475,783 km (0.115 R)
• M4: 2,721,484 km (0.12 R)
• M5: 3,245,227 km (0.09 R)
• M6: 3,712,570 km (0.059 R)
• M7: 4,669,249 km (0.116 R)
• M8: 6,405,631 km (0.089 R)
• M9: 7,822,772 km (0.105 R)
• M10: 8,892,845 km (0.045 R)
• M11: 9,533,573 km (0.105 R)
• M12: 10,009,893 km (0.118 R)
• M13: 10,602,599 km (0.089 R)
• M14: 11,376,320 km (0.09 R)
• M15: 13,152,944 km (0.106 R)
• M16: 17,320,741 km (0.105 R)
• M17: 19,512,649 km (0.098 R)
• M18: 20,517,797 km (0.106 R)
• M19: 24,530,311 km (0.095 R)
• M20: 25,156,228 km (0.066 R)
• M21: 26,068,775 km (0.083 R)
• M22: 29,941,415 km (0.095 R)
• M23: 37,261,239 km (0.115 R)
• M24: 38,567,079 km (0.108 R)
• M25: 39,292,030 km (0.112 R)
• M26: 40,644,993 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 577.1

Radius: 11.8

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 4.8 AU - 7.12 AU

Year: 9395 Days

Day: 13.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 58,729,920 km

• M1: 146,756 km (0.111 R)
• M2: 576,849 km (0.095 R)
• M3: 1,117,346 km (0.029 R)
• M4: 1,646,175 km (0.098 R)
• M5: 2,233,945 km (0.079 R)
• M6: 2,773,694 km (0.099 R)
• M7: 4,498,109 km (0.106 R)
• M8: 5,753,684 km (0.076 R)
• M9: 7,075,830 km (0.075 R)
• M10: 8,634,639 km (0.081 R)
• M11: 10,164,727 km (0.09 R)
• M12: 11,175,859 km (0.073 R)
• M13: 11,922,801 km (0.028 R)
• M14: 15,899,860 km (0.084 R)
• M15: 22,305,342 km (0.118 R)
• M16: 26,258,914 km (0.108 R)
• M17: 27,963,432 km (0.106 R)
• M18: 31,591,779 km (0.106 R)
• M19: 32,013,346 km (0.072 R)
• M20: 34,734,082 km (0.094 R)
• M21: 39,159,337 km (0.079 R)
• M22: 41,759,348 km (0.054 R)
• M23: 42,522,896 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.24 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 225.8

Radius: 6

Gravity: 6.27 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 6.05 AU - 8.43 AU

Year: 12578 Days

Day: 21.8 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 58,729,920 km

• M1: 74,649 km (0.059 R)
• M2: 263,741 km (0.051 R)
• M3: 858,093 km (0.072 R)
• M4: 1,188,854 km (0.089 R)
• M5: 1,725,611 km (0.087 R)
• M6: 1,993,691 km (0.11 R)
• M7: 2,557,675 km (0.077 R)
• M8: 3,072,591 km (0.071 R)
• M9: 4,201,606 km (0.062 R)
• M10: 4,440,663 km (0.115 R)
• M11: 4,859,238 km (0.109 R)
• M12: 6,205,918 km (0.094 R)
• M13: 6,801,168 km (0.067 R)
• M14: 7,395,371 km (0.032 R)
• M15: 9,841,745 km (0.063 R)
• M16: 11,145,490 km (0.066 R)
• M17: 11,501,533 km (0.097 R)
• M18: 14,032,579 km (0.081 R)
• M19: 14,447,714 km (0.114 R)
• M20: 14,810,040 km (0.032 R)
• M21: 21,229,135 km (0.112 R)
• M22: 21,934,339 km (0.069 R)
• M23: 23,807,005 km (0.112 R)
• M24: 26,406,418 km (0.104 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 680.4

Radius: 5.8

Gravity: 20.23 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 7.22 AU - 8.04 AU

Year: 13608 Days

Day: 15.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 17.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 58,729,920 km

• M1: 72,256 km (0.115 R)
• M2: 266,135 km (0.12 R)
• M3: 480,808 km (0.086 R)
• M4: 1,226,703 km (0.094 R)
• M5: 1,517,521 km (0.025 R)
• M6: 1,786,049 km (0.094 R)
• M7: 2,199,388 km (0.091 R)
• M8: 2,808,850 km (0.058 R)
• M9: 3,265,422 km (0.085 R)
• M10: 8,272,463 km (0.098 R)
• M11: 9,206,403 km (0.12 R)
• M12: 10,651,817 km (0.074 R)
• M13: 11,576,332 km (0.044 R)
• M14: 13,386,317 km (0.116 R)
• M15: 14,392,811 km (0.067 R)
• M16: 15,233,701 km (0.083 R)
• M17: 15,958,951 km (0.099 R)
• M18: 17,089,762 km (0.054 R)
• M19: 18,192,447 km (0.074 R)
• M20: 22,149,012 km (0.112 R)
• M21: 24,229,170 km (0.108 R)
• M22: 24,818,436 km (0.055 R)
• M23: 27,165,627 km (0.089 R)
• M24: 27,482,176 km (0.079 R)
• M25: 34,838,801 km (0.087 R)
• M26: 35,337,859 km (0.068 R)
• M27: 36,095,273 km (0.106 R)
• M28: 41,145,847 km (0.117 R)
• M29: 49,731,269 km (0.11 R)
• M30: 52,293,880 km (0.076 R)
• M31: 53,277,038 km (0.074 R)
• M32: 54,774,961 km (0.053 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 302 - 10,505 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit