🌌 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: 438.6

Radius: 13.5

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.54 AU - 0.8 AU

Year: 379 Days

Day: 9.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 47,434,104 km

• M1: 167,849 km (0.103 R)
• M2: 661,372 km (0.109 R)
• M3: 1,108,819 km (0.049 R)
• M4: 1,688,212 km (0.045 R)
• M5: 2,643,394 km (0.053 R)
• M6: 3,386,746 km (0.097 R)
• M7: 3,837,933 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.2

Radius: 10

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.74 AU - 0.86 AU

Year: 494 Days

Day: 5.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,434,104 km

• M1: 124,316 km (0.094 R)
• M2: 519,105 km (0.106 R)
• M3: 851,212 km (0.102 R)
• M4: 1,168,958 km (0.118 R)
• M5: 1,495,380 km (0.111 R)
• M6: 1,883,587 km (0.116 R)
• M7: 2,603,901 km (0.117 R)
• M8: 3,099,219 km (0.111 R)
• M9: 3,550,406 km (0.064 R)
• M10: 4,234,667 km (0.052 R)
• M11: 4,954,831 km (0.106 R)
• M12: 5,573,717 km (0.042 R)
• M13: 6,320,959 km (0.075 R)
• M14: 7,218,546 km (0.051 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 779.8

Radius: 11.8

Gravity: 5.6 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 0.91 AU - 1.19 AU

Year: 743 Days

Day: 5.1 Hours

Environment

Temp: -174 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 47,434,104 km

• M1: 146,905 km (0.071 R)
• M2: 545,733 km (0.1 R)
• M3: 1,055,413 km (0.095 R)
• M4: 1,508,545 km (0.053 R)
• M5: 1,905,578 km (0.116 R)
• M6: 2,491,104 km (0.068 R)
• M7: 2,941,842 km (0.119 R)
• M8: 3,529,762 km (0.097 R)
• M9: 4,499,754 km (0.088 R)
• M10: 5,155,143 km (0.093 R)
• M11: 5,582,095 km (0.057 R)
• M12: 6,277,276 km (0.05 R)
• M13: 6,743,274 km (0.115 R)
• M14: 7,277,787 km (0.116 R)
• M15: 7,937,065 km (0.108 R)
• M16: 8,432,084 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.5

Radius: 10.5

Gravity: 8.23 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.66 AU - 1.68 AU

Year: 1490 Days

Day: 12.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 47,434,104 km

• M1: 131,048 km (0.109 R)
• M2: 491,878 km (0.064 R)
• M3: 935,136 km (0.115 R)
• M4: 1,379,592 km (0.095 R)
• M5: 3,297,735 km (0.079 R)
• M6: 4,028,671 km (0.078 R)
• M7: 4,540,744 km (0.118 R)
• M8: 5,138,537 km (0.061 R)
• M9: 5,603,487 km (0.088 R)
• M10: 6,746,864 km (0.072 R)
• M11: 7,894,280 km (0.085 R)
• M12: 8,883,720 km (0.077 R)
• M13: 9,359,890 km (0.095 R)
• M14: 10,502,519 km (0.118 R)
• M15: 11,143,845 km (0.056 R)
• M16: 11,660,556 km (0.088 R)
• M17: 13,348,319 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.3

Radius: 10.7

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.67 AU - 2.87 AU

Year: 3182 Days

Day: 10.1 Hours

Environment

Temp: -212 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,434,104 km

• M1: 133,142 km (0.059 R)
• M2: 675,434 km (0.087 R)
• M3: 1,075,309 km (0.115 R)
• M4: 1,646,325 km (0.088 R)
• M5: 2,580,414 km (0.086 R)
• M6: 2,943,637 km (0.09 R)
• M7: 4,448,891 km (0.084 R)
• M8: 4,876,292 km (0.083 R)
• M9: 5,383,130 km (0.104 R)
• M10: 5,896,998 km (0.112 R)
• M11: 6,683,285 km (0.074 R)
• M12: 8,182,106 km (0.109 R)
• M13: 8,679,818 km (0.077 R)
• M14: 9,387,566 km (0.092 R)
• M15: 10,093,069 km (0.064 R)
• M16: 11,478,196 km (0.105 R)
• M17: 12,749,329 km (0.114 R)
• M18: 13,565,685 km (0.086 R)
• M19: 14,061,901 km (0.108 R)
• M20: 15,196,301 km (0.072 R)
• M21: 19,027,054 km (0.115 R)
• M22: 19,649,082 km (0.073 R)
• M23: 20,542,929 km (0.094 R)
• M24: 21,263,991 km (0.062 R)
• M25: 21,866,422 km (0.089 R)
• M26: 24,317,882 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662

Radius: 11.1

Gravity: 5.37 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 2.37 AU - 3.47 AU

Year: 3444 Days

Day: 11.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 47,434,104 km

• M1: 138,079 km (0.111 R)
• M2: 499,657 km (0.108 R)
• M3: 1,147,565 km (0.101 R)
• M4: 1,511,088 km (0.117 R)
• M5: 1,890,019 km (0.032 R)
• M6: 2,587,594 km (0.09 R)
• M7: 3,355,331 km (0.114 R)
• M8: 3,782,881 km (0.051 R)
• M9: 4,402,217 km (0.107 R)
• M10: 4,892,000 km (0.108 R)
• M11: 6,378,255 km (0.027 R)
• M12: 7,068,649 km (0.091 R)
• M13: 7,841,771 km (0.095 R)
• M14: 8,492,821 km (0.118 R)
• M15: 10,139,444 km (0.074 R)
• M16: 10,582,404 km (0.103 R)
• M17: 11,080,415 km (0.037 R)
• M18: 12,213,021 km (0.114 R)
• M19: 12,900,572 km (0.114 R)
• M20: 19,302,464 km (0.105 R)
• M21: 19,858,669 km (0.067 R)
• M22: 21,658,331 km (0.036 R)
• M23: 23,077,416 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322

Radius: 14.7

Gravity: 1.49 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 2.59 AU - 3.87 AU

Year: 4007 Days

Day: 9.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 47,434,104 km

• M1: 182,809 km (0.077 R)
• M2: 642,672 km (0.115 R)
• M3: 1,103,883 km (0.111 R)
• M4: 1,607,130 km (0.081 R)
• M5: 2,647,134 km (0.114 R)
• M6: 3,651,684 km (0.092 R)
• M7: 4,497,062 km (0.119 R)
• M8: 5,346,927 km (0.078 R)
• M9: 6,059,462 km (0.108 R)
• M10: 6,892,572 km (0.08 R)
• M11: 10,079,905 km (0.081 R)
• M12: 10,537,824 km (0.116 R)
• M13: 14,914,309 km (0.094 R)
• M14: 18,221,769 km (0.094 R)
• M15: 18,845,592 km (0.083 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.2

Radius: 8.4

Gravity: 8.66 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 2.58 AU - 4.12 AU

Year: 4232 Days

Day: 11.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 47,434,104 km

• M1: 104,419 km (0.098 R)
• M2: 384,167 km (0.105 R)
• M3: 723,306 km (0.105 R)
• M4: 5,291,277 km (0.061 R)
• M5: 6,832,584 km (0.079 R)
• M6: 9,338,198 km (0.096 R)
• M7: 13,924,121 km (0.07 R)
• M8: 16,297,790 km (0.103 R)
• M9: 17,820,398 km (0.029 R)
• M10: 19,117,710 km (0.107 R)
• M11: 20,476,807 km (0.063 R)
• M12: 22,107,723 km (0.117 R)
• M13: 22,954,746 km (0.067 R)
• M14: 23,386,336 km (0.097 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 498.5

Radius: 13

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 4.22 AU - 4.82 AU

Year: 6633 Days

Day: 10.3 Hours

Environment

Temp: -224 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 47,434,104 km

• M1: 162,164 km (0.112 R)
• M2: 647,460 km (0.058 R)
• M3: 1,525,001 km (0.025 R)
• M4: 1,966,314 km (0.085 R)
• M5: 3,725,436 km (0.045 R)
• M6: 4,618,685 km (0.095 R)
• M7: 5,242,957 km (0.068 R)
• M8: 6,594,424 km (0.101 R)
• M9: 7,139,558 km (0.1 R)
• M10: 7,788,963 km (0.101 R)
• M11: 10,376,557 km (0.051 R)
• M12: 19,989,417 km (0.113 R)
• M13: 20,556,692 km (0.083 R)
• M14: 21,353,899 km (0.081 R)
• M15: 23,010,396 km (0.111 R)
• M16: 23,555,082 km (0.117 R)
• M17: 24,347,951 km (0.065 R)
• M18: 25,322,880 km (0.025 R)
• M19: 26,239,317 km (0.108 R)
• M20: 28,493,158 km (0.047 R)

Planet 10 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 990.9

Radius: 13.9

Gravity: 5.13 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.21 AU - 6.19 AU

Year: 8185 Days

Day: 14.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 20.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 47,434,104 km

• M1: 173,085 km (0.041 R)
• M2: 616,792 km (0.034 R)
• M3: 1,221,467 km (0.095 R)
• M4: 2,080,009 km (0.057 R)
• M5: 2,912,222 km (0.091 R)
• M6: 3,749,970 km (0.106 R)
• M7: 4,773,070 km (0.12 R)
• M8: 6,187,518 km (0.102 R)
• M9: 8,651,843 km (0.098 R)
• M10: 10,178,490 km (0.098 R)
• M11: 16,175,868 km (0.085 R)
• M12: 18,862,197 km (0.104 R)
• M13: 19,793,893 km (0.063 R)
• M14: 21,833,360 km (0.093 R)
• M15: 23,741,032 km (0.079 R)
• M16: 25,569,567 km (0.073 R)
• M17: 27,196,295 km (0.105 R)
• M18: 30,443,915 km (0.108 R)
• M19: 31,294,528 km (0.099 R)
• M20: 33,490,625 km (0.108 R)
• M21: 35,319,908 km (0.114 R)
• M22: 37,943,106 km (0.105 R)
• M23: 41,725,838 km (0.062 R)
• M24: 45,614,784 km (0.032 R)
• M25: 46,169,493 km (0.111 R)
• M26: 46,728,690 km (0.075 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 256 - 16,824 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit