🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.82 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 362.5

Radius: 8

Gravity: 5.66 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 1.6 AU - 1.66 AU

Year: 1411 Days

Day: 10 Hours

Environment

Temp: -186 °C

Axial Tilt: 18.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 75,851,155 km

• M1: 99,483 km (0.099 R)
• M2: 631,153 km (0.094 R)
• M3: 998,416 km (0.093 R)
• M4: 1,464,264 km (0.087 R)
• M5: 2,370,827 km (0.06 R)
• M6: 2,841,462 km (0.116 R)
• M7: 3,216,653 km (0.092 R)
• M8: 4,017,900 km (0.101 R)
• M9: 4,889,606 km (0.1 R)
• M10: 5,693,994 km (0.12 R)
• M11: 6,629,430 km (0.088 R)
• M12: 6,955,104 km (0.084 R)
• M13: 7,364,853 km (0.068 R)
• M14: 7,970,724 km (0.071 R)
• M15: 9,513,377 km (0.062 R)
• M16: 9,778,764 km (0.068 R)
• M17: 10,109,675 km (0.059 R)
• M18: 10,448,065 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265.8

Radius: 10.4

Gravity: 2.46 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.56 AU - 2.48 AU

Year: 1947 Days

Day: 10.9 Hours

Environment

Temp: -203 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 75,851,155 km

• M1: 129,402 km (0.088 R)
• M2: 471,981 km (0.108 R)
• M3: 1,187,807 km (0.097 R)
• M4: 1,572,573 km (0.104 R)
• M5: 3,020,082 km (0.09 R)
• M6: 4,012,065 km (0.092 R)
• M7: 4,465,048 km (0.107 R)
• M8: 5,268,837 km (0.026 R)
• M9: 5,900,140 km (0.068 R)
• M10: 9,593,861 km (0.063 R)
• M11: 11,162,993 km (0.106 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 502.6

Radius: 12.4

Gravity: 3.27 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 2.09 AU - 2.67 AU

Year: 2490 Days

Day: 10.1 Hours

Environment

Temp: -210 °C

Axial Tilt: 152.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,851,155 km

• M1: 154,385 km (0.079 R)
• M2: 572,062 km (0.066 R)
• M3: 2,299,469 km (0.072 R)
• M4: 2,693,210 km (0.105 R)
• M5: 3,100,565 km (0.093 R)
• M6: 3,566,712 km (0.093 R)
• M7: 4,496,314 km (0.047 R)
• M8: 5,029,630 km (0.095 R)
• M9: 6,431,212 km (0.059 R)
• M10: 6,970,513 km (0.11 R)
• M11: 7,687,087 km (0.089 R)
• M12: 8,295,052 km (0.113 R)
• M13: 8,739,508 km (0.07 R)
• M14: 9,368,267 km (0.116 R)
• M15: 9,885,876 km (0.07 R)
• M16: 10,349,779 km (0.069 R)
• M17: 11,091,934 km (0.116 R)
• M18: 12,109,349 km (0.092 R)
• M19: 13,102,829 km (0.051 R)
• M20: 13,706,905 km (0.073 R)
• M21: 16,809,116 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.9

Radius: 9

Gravity: 2.52 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 2.13 AU - 2.91 AU

Year: 2713 Days

Day: 10.8 Hours

Environment

Temp: -203 °C

Axial Tilt: 13.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 75,851,155 km

• M1: 111,899 km (0.096 R)
• M2: 515,963 km (0.082 R)
• M3: 802,144 km (0.084 R)
• M4: 1,206,806 km (0.067 R)
• M5: 1,573,770 km (0.094 R)
• M6: 1,866,084 km (0.109 R)
• M7: 2,447,870 km (0.088 R)
• M8: 3,251,510 km (0.059 R)
• M9: 3,798,589 km (0.084 R)
• M10: 4,538,799 km (0.084 R)
• M11: 5,589,874 km (0.031 R)
• M12: 5,904,927 km (0.12 R)
• M13: 7,312,494 km (0.11 R)
• M14: 7,717,455 km (0.11 R)
• M15: 9,457,428 km (0.108 R)
• M16: 10,301,609 km (0.106 R)
• M17: 11,124,696 km (0.113 R)
• M18: 11,770,211 km (0.116 R)
• M19: 12,785,083 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.9

Radius: 10.8

Gravity: 7.31 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 3.25 AU - 3.73 AU

Year: 4422 Days

Day: 11.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 75,851,155 km

• M1: 134,937 km (0.09 R)
• M2: 525,986 km (0.045 R)
• M3: 883,824 km (0.071 R)
• M4: 1,379,292 km (0.1 R)
• M5: 1,929,214 km (0.111 R)
• M6: 2,813,487 km (0.077 R)
• M7: 3,639,866 km (0.05 R)
• M8: 4,204,299 km (0.09 R)
• M9: 6,253,939 km (0.034 R)
• M10: 6,732,652 km (0.1 R)
• M11: 8,355,041 km (0.097 R)
• M12: 9,056,057 km (0.119 R)
• M13: 9,544,793 km (0.071 R)
• M14: 11,071,589 km (0.119 R)
• M15: 11,678,208 km (0.089 R)
• M16: 12,405,553 km (0.106 R)
• M17: 13,008,881 km (0.086 R)
• M18: 16,804,927 km (0.082 R)
• M19: 19,219,287 km (0.112 R)
• M20: 19,823,363 km (0.097 R)
• M21: 20,788,120 km (0.103 R)
• M22: 24,101,563 km (0.12 R)
• M23: 27,328,988 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 544.6

Radius: 9.9

Gravity: 5.56 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 4.61 AU - 5.13 AU

Year: 7289 Days

Day: 12.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 38.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,851,155 km

• M1: 152,889 km (0.103 R)
• M2: 1,024,745 km (0.066 R)
• M3: 2,684,833 km (0.063 R)
• M4: 3,411,131 km (0.096 R)
• M5: 4,496,762 km (0.083 R)
• M6: 5,861,544 km (0.091 R)
• M7: 6,937,152 km (0.039 R)
• M8: 7,559,480 km (0.059 R)
• M9: 8,298,792 km (0.092 R)
• M10: 10,568,790 km (0.067 R)
• M11: 11,343,408 km (0.079 R)
• M12: 14,354,813 km (0.062 R)
• M13: 15,487,269 km (0.104 R)
• M14: 19,030,495 km (0.089 R)
• M15: 19,885,447 km (0.079 R)
• M16: 23,563,011 km (0.072 R)
• M17: 26,252,182 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 802.7

Radius: 8.9

Gravity: 10.13 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.05 AU - 6.07 AU

Year: 7720 Days

Day: 10.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 75,851,155 km

• M1: 110,702 km (0.066 R)
• M2: 425,157 km (0.042 R)
• M3: 847,622 km (0.104 R)
• M4: 1,566,738 km (0.093 R)
• M5: 1,960,630 km (0.111 R)
• M6: 3,554,146 km (0.1 R)
• M7: 4,347,913 km (0.091 R)
• M8: 4,627,810 km (0.071 R)
• M9: 5,381,035 km (0.032 R)
• M10: 5,737,228 km (0.039 R)
• M11: 7,965,937 km (0.055 R)
• M12: 11,867,150 km (0.108 R)
• M13: 12,982,552 km (0.099 R)
• M14: 13,565,834 km (0.062 R)
• M15: 14,350,026 km (0.111 R)
• M16: 15,810,999 km (0.04 R)
• M17: 17,649,557 km (0.104 R)
• M18: 19,702,339 km (0.098 R)
• M19: 23,583,356 km (0.101 R)
• M20: 25,793,665 km (0.098 R)
• M21: 42,146,507 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 549.5

Radius: 4.5

Gravity: 27.14 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 5.34 AU - 6.6 AU

Year: 9894 Days

Day: 19.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 75,851,155 km

• M1: 56,698 km (0.062 R)
• M2: 211,083 km (0.091 R)
• M3: 436,377 km (0.078 R)
• M4: 651,349 km (0.115 R)
• M5: 906,114 km (0.081 R)
• M6: 1,046,437 km (0.071 R)
• M7: 1,384,528 km (0.068 R)
• M8: 1,885,382 km (0.097 R)
• M9: 2,819,471 km (0.109 R)
• M10: 3,542,926 km (0.068 R)
• M11: 4,354,794 km (0.059 R)
• M12: 5,220,218 km (0.053 R)
• M13: 5,576,560 km (0.109 R)
• M14: 7,687,984 km (0.037 R)
• M15: 8,408,448 km (0.116 R)
• M16: 10,080,503 km (0.106 R)
• M17: 10,683,831 km (0.095 R)
• M18: 16,335,190 km (0.118 R)
• M19: 16,678,218 km (0.112 R)
• M20: 16,886,308 km (0.07 R)
• M21: 17,378,485 km (0.118 R)
• M22: 23,526,958 km (0.059 R)
• M23: 34,000,006 km (0.084 R)
• M24: 35,925,181 km (0.037 R)
• M25: 40,739,240 km (0.081 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 595.4

Radius: 7.2

Gravity: 11.49 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 7.63 AU - 12.31 AU

Year: 21352 Days

Day: 24.8 Hours

Environment

Temp: -229 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 75,851,155 km

• M1: 89,609 km (0.035 R)
• M2: 1,163,273 km (0.12 R)
• M3: 1,734,887 km (0.068 R)
• M4: 4,116,784 km (0.105 R)
• M5: 5,122,381 km (0.084 R)
• M6: 5,349,470 km (0.113 R)
• M7: 6,071,130 km (0.089 R)
• M8: 6,368,830 km (0.105 R)
• M9: 7,368,144 km (0.084 R)
• M10: 10,021,561 km (0.073 R)
• M11: 10,258,076 km (0.076 R)
• M12: 11,496,896 km (0.035 R)
• M13: 16,618,229 km (0.094 R)
• M14: 16,949,888 km (0.076 R)
• M15: 17,540,949 km (0.062 R)
• M16: 21,575,005 km (0.046 R)
• M17: 24,122,208 km (0.047 R)
• M18: 25,632,847 km (0.073 R)
• M19: 27,205,420 km (0.11 R)
• M20: 29,200,158 km (0.111 R)
• M21: 29,562,035 km (0.052 R)
• M22: 31,290,489 km (0.1 R)
• M23: 32,051,493 km (0.03 R)
• M24: 32,436,558 km (0.096 R)
• M25: 36,180,843 km (0.071 R)
• M26: 47,111,062 km (0.067 R)
• M27: 49,978,853 km (0.102 R)
• M28: 52,426,275 km (0.093 R)
• M29: 54,769,276 km (0.117 R)
• M30: 55,688,705 km (0.105 R)
• M31: 57,369,736 km (0.088 R)
• M32: 65,869,588 km (0.103 R)
• M33: 66,909,293 km (0.064 R)
• M34: 68,595,560 km (0.048 R)
• M35: 69,663,689 km (0.054 R)
• M36: 71,614,296 km (0.118 R)
• M37: 73,824,006 km (0.049 R)
• M38: 74,495,551 km (0.074 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: 154 - 18,662 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit