🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.66 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.9

Radius: 9

Gravity: 3.74 G

Time & Orbit

Eccentricity (e): 0.109

Orbit Range: 1.18 AU - 1.46 AU

Year: 1047 Days

Day: 14.3 Hours

Environment

Temp: -179 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,431,052 km

• M1: 112,049 km (0.071 R)
• M2: 500,854 km (0.033 R)
• M3: 816,804 km (0.109 R)
• M4: 1,136,046 km (0.088 R)
• M5: 1,608,925 km (0.089 R)
• M6: 1,927,569 km (0.112 R)
• M7: 2,671,818 km (0.108 R)
• M8: 3,721,397 km (0.085 R)
• M9: 4,070,857 km (0.118 R)
• M10: 4,538,650 km (0.104 R)
• M11: 5,007,190 km (0.071 R)
• M12: 5,637,895 km (0.065 R)
• M13: 5,962,822 km (0.104 R)
• M14: 6,525,459 km (0.054 R)
• M15: 6,862,503 km (0.111 R)
• M16: 7,277,936 km (0.089 R)
• M17: 7,873,635 km (0.104 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.5

Radius: 13

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.08 AU - 1.6 AU

Year: 1071 Days

Day: 8.2 Hours

Environment

Temp: -196 °C

Axial Tilt: 13.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,431,052 km

• M1: 172,337 km (0.104 R)
• M2: 724,951 km (0.057 R)
• M3: 1,281,904 km (0.052 R)
• M4: 2,084,946 km (0.114 R)
• M5: 4,343,125 km (0.084 R)
• M6: 5,261,656 km (0.1 R)
• M7: 5,850,174 km (0.119 R)
• M8: 6,562,111 km (0.111 R)
• M9: 7,245,025 km (0.081 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94.6

Radius: 14.9

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 1.47 AU - 2.11 AU

Year: 1653 Days

Day: 14.3 Hours

Environment

Temp: -199 °C

Axial Tilt: 90.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,431,052 km

• M1: 188,493 km (0.093 R)
• M2: 940,821 km (0.112 R)
• M3: 1,533,079 km (0.092 R)
• M4: 2,790,000 km (0.079 R)
• M5: 3,953,423 km (0.087 R)
• M6: 4,944,509 km (0.114 R)
• M7: 6,191,257 km (0.109 R)
• M8: 7,440,848 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.9

Radius: 13.1

Gravity: 4.74 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.77 AU - 4.57 AU

Year: 4853 Days

Day: 11.6 Hours

Environment

Temp: -212 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,431,052 km

• M1: 163,211 km (0.065 R)
• M2: 644,168 km (0.111 R)
• M3: 1,213,538 km (0.093 R)
• M4: 2,505,914 km (0.071 R)
• M5: 3,099,668 km (0.103 R)
• M6: 3,654,078 km (0.106 R)
• M7: 4,396,532 km (0.093 R)
• M8: 4,963,807 km (0.114 R)
• M9: 6,372,570 km (0.036 R)
• M10: 6,930,720 km (0.085 R)
• M11: 7,921,357 km (0.094 R)
• M12: 9,207,749 km (0.074 R)
• M13: 9,751,088 km (0.079 R)
• M14: 10,493,991 km (0.111 R)
• M15: 12,092,744 km (0.093 R)
• M16: 13,315,407 km (0.089 R)
• M17: 17,989,144 km (0.058 R)
• M18: 21,408,802 km (0.114 R)
• M19: 22,588,830 km (0.118 R)
• M20: 23,042,410 km (0.064 R)
• M21: 23,811,792 km (0.09 R)
• M22: 26,724,313 km (0.118 R)
• M23: 28,528,912 km (0.097 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.9

Radius: 12.7

Gravity: 3.41 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 4.16 AU - 6.5 AU

Year: 8494 Days

Day: 6.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 41.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 62,431,052 km

• M1: 157,975 km (0.048 R)
• M2: 881,879 km (0.078 R)
• M3: 1,462,020 km (0.113 R)
• M4: 2,666,881 km (0.11 R)
• M5: 4,839,940 km (0.072 R)
• M6: 5,982,718 km (0.034 R)
• M7: 7,882,611 km (0.119 R)
• M8: 8,289,816 km (0.063 R)
• M9: 8,883,570 km (0.119 R)
• M10: 9,967,407 km (0.06 R)
• M11: 10,936,502 km (0.099 R)
• M12: 11,547,310 km (0.095 R)
• M13: 12,127,301 km (0.095 R)
• M14: 15,703,139 km (0.108 R)
• M15: 17,014,364 km (0.096 R)
• M16: 18,826,443 km (0.119 R)
• M17: 21,781,001 km (0.101 R)
• M18: 22,913,158 km (0.113 R)
• M19: 23,914,416 km (0.068 R)
• M20: 25,206,792 km (0.078 R)
• M21: 26,273,874 km (0.034 R)
• M22: 27,185,823 km (0.119 R)
• M23: 27,930,521 km (0.116 R)
• M24: 31,451,157 km (0.1 R)
• M25: 32,168,629 km (0.106 R)
• M26: 35,477,584 km (0.038 R)
• M27: 35,920,394 km (0.087 R)
• M28: 36,479,142 km (0.069 R)
• M29: 39,360,546 km (0.04 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.41 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.6

Radius: 7

Gravity: 19.34 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 7.07 AU - 11.75 AU

Year: 19925 Days

Day: 19.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 23.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,431,052 km

• M1: 87,216 km (0.115 R)
• M2: 344,673 km (0.059 R)
• M3: 880,683 km (0.09 R)
• M4: 1,344,735 km (0.075 R)
• M5: 2,233,945 km (0.049 R)
• M6: 2,702,486 km (0.058 R)
• M7: 3,771,662 km (0.066 R)
• M8: 5,413,199 km (0.118 R)
• M9: 6,212,949 km (0.106 R)
• M10: 7,332,689 km (0.094 R)
• M11: 13,389,907 km (0.097 R)
• M12: 13,838,252 km (0.063 R)
• M13: 14,765,011 km (0.102 R)
• M14: 15,568,351 km (0.078 R)
• M15: 15,897,766 km (0.086 R)
• M16: 16,315,892 km (0.092 R)
• M17: 16,827,516 km (0.09 R)
• M18: 17,882,630 km (0.1 R)
• M19: 18,610,125 km (0.102 R)
• M20: 19,451,912 km (0.11 R)
• M21: 23,180,788 km (0.098 R)
• M22: 30,837,806 km (0.098 R)
• M23: 32,414,418 km (0.063 R)
• M24: 41,898,025 km (0.037 R)
• M25: 44,652,272 km (0.12 R)
• M26: 44,983,930 km (0.098 R)
• M27: 51,969,253 km (0.098 R)
• M28: 55,526,690 km (0.11 R)
• M29: 62,291,955 km (0.109 R)
• M30: 63,331,062 km (0.053 R)
• M31: 66,301,776 km (0.077 R)
• M32: 69,809,098 km (0.098 R)
• M33: 73,900,451 km (0.097 R)
• M34: 75,064,621 km (0.121 R)
• M35: 80,823,541 km (0.102 R)
• M36: 83,810,412 km (0.072 R)
• M37: 84,315,305 km (0.098 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.4

Radius: 3.6

Gravity: 25.65 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 9.68 AU - 10.02 AU

Year: 21339 Days

Day: 16.7 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,431,052 km

• M1: 46,675 km (0.09 R)
• M2: 178,620 km (0.077 R)
• M3: 414,685 km (0.118 R)
• M4: 590,164 km (0.105 R)
• M5: 784,192 km (0.112 R)
• M6: 1,385,127 km (0.092 R)
• M7: 1,550,582 km (0.034 R)
• M8: 2,108,283 km (0.082 R)
• M9: 2,390,275 km (0.11 R)
• M10: 2,696,651 km (0.116 R)
• M11: 3,605,009 km (0.112 R)
• M12: 3,860,523 km (0.092 R)
• M13: 5,729,748 km (0.118 R)
• M14: 6,730,857 km (0.111 R)
• M15: 7,703,542 km (0.119 R)
• M16: 12,343,470 km (0.108 R)
• M17: 14,344,940 km (0.095 R)
• M18: 15,718,697 km (0.102 R)
• M19: 16,707,539 km (0.118 R)
• M20: 18,308,685 km (0.093 R)
• M21: 23,427,475 km (0.075 R)
• M22: 25,018,897 km (0.059 R)
• M23: 29,536,604 km (0.083 R)
• M24: 33,941,662 km (0.105 R)
• M25: 35,203,221 km (0.078 R)
• M26: 35,330,978 km (0.026 R)
• M27: 36,889,489 km (0.072 R)
• M28: 39,037,864 km (0.081 R)
• M29: 39,312,076 km (0.061 R)
• M30: 46,593,902 km (0.093 R)
• M31: 55,585,782 km (0.07 R)
• M32: 56,807,099 km (0.117 R)
• M33: 57,690,324 km (0.118 R)
• M34: 59,665,615 km (0.071 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 438 - 18,808 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit