🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.4

Radius: 13.8

Gravity: 5.12 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 0.58 AU - 0.82 AU

Year: 412 Days

Day: 10.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 29.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,470,625 km

• M1: 171,888 km (0.1 R)
• M2: 921,224 km (0.03 R)
• M3: 1,360,892 km (0.079 R)
• M4: 1,897,499 km (0.082 R)
• M5: 2,372,921 km (0.114 R)
• M6: 3,459,301 km (0.106 R)
• M7: 5,284,844 km (0.085 R)
• M8: 6,113,467 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216

Radius: 9.3

Gravity: 2.5 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 0.72 AU - 0.8 AU

Year: 466 Days

Day: 5.3 Hours

Environment

Temp: -156 °C

Axial Tilt: 47.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 69,470,625 km

• M1: 115,789 km (0.091 R)
• M2: 520,750 km (0.114 R)
• M3: 825,481 km (0.085 R)
• M4: 1,296,565 km (0.059 R)
• M5: 1,720,076 km (0.086 R)
• M6: 2,218,686 km (0.109 R)
• M7: 3,090,094 km (0.102 R)
• M8: 3,505,527 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 253.3

Radius: 13.7

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.35 AU - 2.53 AU

Year: 2679 Days

Day: 7 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,470,625 km

• M1: 175,478 km (0.067 R)
• M2: 1,254,827 km (0.111 R)
• M3: 1,904,680 km (0.098 R)
• M4: 2,772,946 km (0.102 R)
• M5: 3,392,880 km (0.099 R)
• M6: 3,839,280 km (0.103 R)
• M7: 4,954,083 km (0.086 R)
• M8: 7,056,831 km (0.107 R)
• M9: 7,650,585 km (0.051 R)
• M10: 10,503,865 km (0.106 R)
• M11: 10,957,595 km (0.118 R)
• M12: 12,168,740 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.4

Radius: 9.1

Gravity: 4.9 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 4.42 AU - 5.32 AU

Year: 7554 Days

Day: 13 Hours

Environment

Temp: -220 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,470,625 km

• M1: 113,246 km (0.11 R)
• M2: 677,828 km (0.077 R)
• M3: 993,629 km (0.062 R)
• M4: 1,539,512 km (0.105 R)
• M5: 1,938,639 km (0.063 R)
• M6: 2,721,484 km (0.03 R)
• M7: 3,025,019 km (0.102 R)
• M8: 3,838,532 km (0.12 R)
• M9: 4,982,357 km (0.058 R)
• M10: 5,439,379 km (0.11 R)
• M11: 5,739,173 km (0.049 R)
• M12: 6,241,822 km (0.053 R)
• M13: 8,313,453 km (0.117 R)
• M14: 10,163,829 km (0.098 R)
• M15: 11,185,134 km (0.086 R)
• M16: 12,948,892 km (0.098 R)
• M17: 14,036,020 km (0.056 R)
• M18: 14,487,507 km (0.116 R)
• M19: 16,828,863 km (0.068 R)
• M20: 19,342,257 km (0.084 R)
• M21: 20,185,390 km (0.081 R)
• M22: 21,944,661 km (0.1 R)
• M23: 24,365,454 km (0.116 R)
• M24: 29,823,233 km (0.113 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 506

Radius: 3.4

Gravity: 43.77 G

Time & Orbit

Eccentricity (e): 0.194

Orbit Range: 5.77 AU - 8.55 AU

Year: 13467 Days

Day: 19.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 69,470,625 km

• M1: 42,635 km (0.088 R)
• M2: 200,012 km (0.096 R)
• M3: 335,099 km (0.111 R)
• M4: 445,951 km (0.046 R)
• M5: 619,934 km (0.095 R)
• M6: 1,525,599 km (0.104 R)
• M7: 2,464,775 km (0.101 R)
• M8: 3,102,510 km (0.099 R)
• M9: 3,222,637 km (0.097 R)
• M10: 4,095,391 km (0.111 R)
• M11: 4,663,714 km (0.062 R)
• M12: 7,128,787 km (0.119 R)
• M13: 7,814,095 km (0.099 R)
• M14: 8,036,996 km (0.05 R)
• M15: 8,448,989 km (0.12 R)
• M16: 9,364,378 km (0.113 R)
• M17: 9,615,852 km (0.109 R)
• M18: 9,768,891 km (0.085 R)
• M19: 10,666,927 km (0.055 R)
• M20: 12,564,875 km (0.085 R)
• M21: 19,019,574 km (0.077 R)
• M22: 20,751,169 km (0.077 R)
• M23: 21,962,314 km (0.054 R)
• M24: 23,866,096 km (0.117 R)
• M25: 25,680,718 km (0.053 R)
• M26: 27,894,468 km (0.061 R)
• M27: 40,888,539 km (0.05 R)
• M28: 45,884,958 km (0.102 R)
• M29: 48,230,354 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81.3

Radius: 7.6

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.06 AU - 8.84 AU

Year: 14294 Days

Day: 23.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 69,470,625 km

• M1: 265,387 km (0.031 R)
• M2: 828,772 km (0.082 R)
• M3: 1,903,035 km (0.069 R)
• M4: 2,302,012 km (0.116 R)
• M5: 2,684,833 km (0.11 R)
• M6: 9,380,834 km (0.075 R)
• M7: 11,973,664 km (0.118 R)
• M8: 17,441,017 km (0.094 R)
• M9: 21,599,090 km (0.047 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 993.7

Radius: 4.5

Gravity: 49.07 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 7.59 AU - 10.67 AU

Year: 19392 Days

Day: 15.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 68.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 69,470,625 km

• M1: 56,249 km (0.089 R)
• M2: 523,593 km (0.111 R)
• M3: 771,775 km (0.102 R)
• M4: 941,569 km (0.092 R)
• M5: 1,236,277 km (0.045 R)
• M6: 1,538,016 km (0.056 R)
• M7: 1,679,087 km (0.106 R)
• M8: 2,070,285 km (0.071 R)
• M9: 2,871,232 km (0.112 R)
• M10: 3,283,224 km (0.045 R)
• M11: 3,924,850 km (0.105 R)
• M12: 4,361,825 km (0.075 R)
• M13: 4,682,862 km (0.109 R)
• M14: 5,657,492 km (0.113 R)
• M15: 6,529,049 km (0.099 R)
• M16: 6,901,548 km (0.093 R)
• M17: 10,723,325 km (0.112 R)
• M18: 11,110,335 km (0.119 R)
• M19: 14,393,410 km (0.109 R)
• M20: 15,589,893 km (0.112 R)
• M21: 16,593,545 km (0.06 R)
• M22: 18,728,756 km (0.025 R)
• M23: 20,445,541 km (0.117 R)
• M24: 25,303,582 km (0.049 R)
• M25: 29,477,213 km (0.115 R)
• M26: 30,491,636 km (0.098 R)
• M27: 32,456,006 km (0.115 R)
• M28: 37,217,856 km (0.063 R)
• M29: 38,252,774 km (0.061 R)
• M30: 41,472,569 km (0.068 R)
• M31: 45,703,346 km (0.085 R)
• M32: 49,855,884 km (0.076 R)
• M33: 55,774,275 km (0.111 R)
• M34: 58,702,803 km (0.093 R)
• M35: 59,300,596 km (0.097 R)
• M36: 59,500,608 km (0.087 R)
• M37: 61,527,061 km (0.063 R)
• M38: 65,076,570 km (0.056 R)
• M39: 73,961,786 km (0.081 R)
• M40: 83,370,594 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 445.7

Radius: 4.8

Gravity: 19.34 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 9.07 AU - 10.57 AU

Year: 21631 Days

Day: 21 Hours

Environment

Temp: -236 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 69,470,625 km

• M1: 133,292 km (0.028 R)
• M2: 303,384 km (0.064 R)
• M3: 492,027 km (0.104 R)
• M4: 675,285 km (0.098 R)
• M5: 4,305,128 km (0.101 R)
• M6: 8,788,277 km (0.099 R)
• M7: 12,981,954 km (0.087 R)
• M8: 14,170,808 km (0.09 R)
• M9: 22,272,131 km (0.031 R)
• M10: 30,529,485 km (0.031 R)
• M11: 32,746,076 km (0.049 R)
• M12: 36,674,965 km (0.082 R)
• M13: 37,912,140 km (0.109 R)
• M14: 41,053,096 km (0.105 R)
• M15: 47,684,471 km (0.099 R)
• M16: 66,596,035 km (0.118 R)
• M17: 69,470,558 km (0.099 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: 530 - 18,562 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit