🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 301.1

Radius: 13.6

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.97 AU - 0.99 AU

Year: 647 Days

Day: 6.9 Hours

Environment

Temp: -170 °C

Axial Tilt: 177.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,320,180 km

• M1: 169,195 km (0.097 R)
• M2: 957,426 km (0.115 R)
• M3: 1,413,550 km (0.094 R)
• M4: 2,360,954 km (0.117 R)
• M5: 3,223,086 km (0.07 R)
• M6: 4,190,386 km (0.071 R)
• M7: 4,757,362 km (0.092 R)
• M8: 5,247,445 km (0.093 R)
• M9: 5,720,772 km (0.037 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 831.3

Radius: 13.5

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.2 AU - 1.56 AU

Year: 1081 Days

Day: 5.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 56,320,180 km

• M1: 167,998 km (0.049 R)
• M2: 766,091 km (0.112 R)
• M3: 1,324,988 km (0.077 R)
• M4: 2,039,318 km (0.107 R)
• M5: 5,207,352 km (0.082 R)
• M6: 5,891,763 km (0.115 R)
• M7: 7,067,003 km (0.092 R)
• M8: 7,645,798 km (0.11 R)
• M9: 8,120,771 km (0.101 R)
• M10: 9,247,243 km (0.097 R)
• M11: 11,568,254 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 169.5

Radius: 9.6

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.176

Orbit Range: 3.72 AU - 5.32 AU

Year: 6408 Days

Day: 11.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 56,320,180 km

• M1: 122,371 km (0.074 R)
• M2: 450,589 km (0.082 R)
• M3: 814,710 km (0.087 R)
• M4: 1,201,271 km (0.052 R)
• M5: 2,215,096 km (0.071 R)
• M6: 2,564,556 km (0.09 R)
• M7: 3,943,400 km (0.069 R)
• M8: 4,415,531 km (0.066 R)
• M9: 6,515,586 km (0.08 R)
• M10: 7,364,703 km (0.077 R)
• M11: 8,881,476 km (0.093 R)
• M12: 11,088,643 km (0.095 R)
• M13: 13,258,859 km (0.078 R)
• M14: 13,830,772 km (0.087 R)
• M15: 16,176,616 km (0.076 R)
• M16: 17,842,239 km (0.109 R)
• M17: 18,480,573 km (0.112 R)
• M18: 21,316,649 km (0.042 R)
• M19: 21,706,801 km (0.086 R)

Planet 4 - Ice Giant

Semi-Major Axis: 6.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.2

Radius: 5.1

Gravity: 23.46 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 4.97 AU - 7.07 AU

Year: 9850 Days

Day: 22.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,320,180 km

• M1: 87,664 km (0.04 R)
• M2: 381,175 km (0.073 R)
• M3: 750,533 km (0.068 R)
• M4: 2,665,385 km (0.091 R)
• M5: 3,417,264 km (0.109 R)
• M6: 3,790,511 km (0.114 R)
• M7: 4,559,444 km (0.079 R)
• M8: 6,005,457 km (0.052 R)
• M9: 7,773,853 km (0.05 R)
• M10: 8,027,571 km (0.091 R)
• M11: 9,427,508 km (0.107 R)
• M12: 10,210,055 km (0.105 R)
• M13: 10,982,428 km (0.098 R)
• M14: 14,590,131 km (0.075 R)
• M15: 18,764,809 km (0.114 R)
• M16: 29,983,752 km (0.099 R)
• M17: 31,134,309 km (0.084 R)
• M18: 31,560,064 km (0.112 R)
• M19: 34,762,506 km (0.106 R)
• M20: 38,418,528 km (0.111 R)
• M21: 40,781,277 km (0.089 R)
• M22: 41,035,594 km (0.112 R)
• M23: 45,112,435 km (0.082 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398

Radius: 6.5

Gravity: 9.42 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 9.88 AU - 11.12 AU

Year: 22689 Days

Day: 19.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 49 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 56,320,180 km

• M1: 81,381 km (0.108 R)
• M2: 358,137 km (0.07 R)
• M3: 825,481 km (0.091 R)
• M4: 1,197,980 km (0.116 R)
• M5: 2,175,901 km (0.034 R)
• M6: 2,674,212 km (0.084 R)
• M7: 3,546,666 km (0.105 R)
• M8: 4,528,776 km (0.108 R)
• M9: 6,535,931 km (0.03 R)
• M10: 7,016,589 km (0.03 R)
• M11: 8,048,216 km (0.102 R)
• M12: 8,396,779 km (0.049 R)
• M13: 10,350,527 km (0.114 R)
• M14: 11,003,372 km (0.05 R)
• M15: 11,309,001 km (0.119 R)
• M16: 11,557,632 km (0.104 R)
• M17: 12,001,340 km (0.042 R)
• M18: 16,126,501 km (0.07 R)
• M19: 16,760,796 km (0.072 R)
• M20: 17,743,355 km (0.113 R)
• M21: 17,994,829 km (0.117 R)
• M22: 18,590,976 km (0.102 R)
• M23: 19,112,325 km (0.113 R)
• M24: 20,920,963 km (0.079 R)
• M25: 21,295,855 km (0.047 R)
• M26: 21,770,829 km (0.073 R)
• M27: 23,138,153 km (0.041 R)
• M28: 23,741,481 km (0.117 R)
• M29: 40,966,330 km (0.085 R)
• M30: 41,405,998 km (0.06 R)
• M31: 42,743,702 km (0.083 R)
• M32: 49,866,954 km (0.086 R)
• M33: 51,380,735 km (0.084 R)
• M34: 53,446,233 km (0.109 R)
• M35: 60,920,591 km (0.094 R)
• M36: 63,624,124 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 209.8

Radius: 5.3

Gravity: 7.47 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 8.17 AU - 13.03 AU

Year: 23014 Days

Day: 19.7 Hours

Environment

Temp: -231 °C

Axial Tilt: 131.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 56,320,180 km

• M1: 66,272 km (0.083 R)
• M2: 287,826 km (0.12 R)
• M3: 515,963 km (0.108 R)
• M4: 903,422 km (0.104 R)
• M5: 1,741,768 km (0.114 R)
• M6: 1,979,180 km (0.08 R)
• M7: 2,561,415 km (0.072 R)
• M8: 3,858,578 km (0.088 R)
• M9: 4,086,565 km (0.09 R)
• M10: 4,956,626 km (0.104 R)
• M11: 12,647,154 km (0.077 R)
• M12: 13,023,841 km (0.111 R)
• M13: 13,603,084 km (0.099 R)
• M14: 14,199,231 km (0.053 R)
• M15: 16,386,203 km (0.103 R)
• M16: 19,361,106 km (0.085 R)
• M17: 26,761,413 km (0.114 R)
• M18: 28,224,929 km (0.072 R)
• M19: 29,851,208 km (0.054 R)
• M20: 31,768,604 km (0.085 R)
• M21: 31,999,433 km (0.066 R)
• M22: 46,343,924 km (0.072 R)
• M23: 52,205,767 km (0.108 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 20,299 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit