🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791.6

Radius: 11.4

Gravity: 6.09 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.74 AU - 1.02 AU

Year: 550 Days

Day: 12.2 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 27,278,509 km

• M1: 142,268 km (0.108 R)
• M2: 512,223 km (0.104 R)
• M3: 921,224 km (0.112 R)
• M4: 1,278,164 km (0.112 R)
• M5: 2,376,063 km (0.115 R)
• M6: 2,794,638 km (0.103 R)
• M7: 3,250,163 km (0.114 R)
• M8: 4,149,396 km (0.113 R)
• M9: 6,032,085 km (0.106 R)
• M10: 6,436,598 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.6

Radius: 13

Gravity: 4.56 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.02 AU - 1.54 AU

Year: 966 Days

Day: 7.5 Hours

Environment

Temp: -175 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 27,278,509 km

• M1: 161,715 km (0.11 R)
• M2: 905,516 km (0.107 R)
• M3: 1,340,397 km (0.106 R)
• M4: 1,779,467 km (0.086 R)
• M5: 2,483,773 km (0.073 R)
• M6: 3,241,337 km (0.078 R)
• M7: 3,890,741 km (0.104 R)
• M8: 4,399,374 km (0.118 R)
• M9: 5,352,911 km (0.079 R)
• M10: 5,858,103 km (0.082 R)
• M11: 6,825,253 km (0.072 R)
• M12: 7,618,272 km (0.11 R)
• M13: 8,579,587 km (0.103 R)
• M14: 9,708,154 km (0.047 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 391.3

Radius: 8.3

Gravity: 5.68 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 2.43 AU - 2.99 AU

Year: 2975 Days

Day: 9.2 Hours

Environment

Temp: -201 °C

Axial Tilt: 44 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 27,278,509 km

• M1: 103,671 km (0.108 R)
• M2: 506,838 km (0.117 R)
• M3: 981,362 km (0.103 R)
• M4: 1,399,338 km (0.05 R)
• M5: 1,666,520 km (0.118 R)
• M6: 2,163,634 km (0.114 R)
• M7: 2,786,410 km (0.102 R)
• M8: 3,197,654 km (0.114 R)
• M9: 3,667,242 km (0.089 R)
• M10: 3,985,886 km (0.059 R)
• M11: 4,593,702 km (0.06 R)
• M12: 5,146,167 km (0.117 R)
• M13: 6,330,234 km (0.075 R)
• M14: 7,042,918 km (0.104 R)
• M15: 7,716,857 km (0.075 R)
• M16: 9,261,006 km (0.052 R)
• M17: 11,078,022 km (0.077 R)
• M18: 13,077,696 km (0.104 R)
• M19: 15,163,240 km (0.101 R)
• M20: 15,644,347 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 984.4

Radius: 8.8

Gravity: 12.71 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 2.7 AU - 3.98 AU

Year: 4071 Days

Day: 11 Hours

Environment

Temp: -207 °C

Axial Tilt: 14.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 27,278,509 km

• M1: 109,506 km (0.04 R)
• M2: 460,313 km (0.067 R)
• M3: 759,209 km (0.062 R)
• M4: 1,501,963 km (0.077 R)
• M5: 2,271,195 km (0.065 R)
• M6: 2,596,720 km (0.071 R)
• M7: 3,549,359 km (0.099 R)
• M8: 4,718,766 km (0.07 R)
• M9: 5,007,340 km (0.103 R)
• M10: 5,363,532 km (0.083 R)
• M11: 5,944,720 km (0.098 R)
• M12: 6,219,531 km (0.085 R)
• M13: 7,546,165 km (0.08 R)
• M14: 9,132,052 km (0.105 R)
• M15: 9,457,727 km (0.063 R)
• M16: 9,748,994 km (0.093 R)
• M17: 10,703,578 km (0.112 R)
• M18: 11,249,909 km (0.055 R)
• M19: 14,318,910 km (0.075 R)
• M20: 14,814,528 km (0.108 R)
• M21: 15,207,820 km (0.083 R)
• M22: 16,133,233 km (0.117 R)
• M23: 16,851,452 km (0.084 R)
• M24: 17,842,089 km (0.07 R)
• M25: 21,976,825 km (0.064 R)
• M26: 22,488,749 km (0.072 R)
• M27: 25,327,667 km (0.046 R)
• M28: 26,791,632 km (0.047 R)
• M29: 27,375,962 km (0.114 R)
• M30: 28,743,286 km (0.066 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 673

Radius: 6

Gravity: 18.69 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 4.74 AU - 7.52 AU

Year: 10121 Days

Day: 16.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 27,278,509 km

• M1: 119,828 km (0.098 R)
• M2: 754,272 km (0.104 R)
• M3: 1,094,009 km (0.116 R)
• M4: 1,422,077 km (0.098 R)
• M5: 1,705,865 km (0.09 R)
• M6: 1,993,092 km (0.096 R)
• M7: 2,330,884 km (0.064 R)
• M8: 3,502,535 km (0.078 R)
• M9: 4,300,939 km (0.086 R)
• M10: 6,740,730 km (0.083 R)
• M11: 9,725,657 km (0.097 R)
• M12: 10,177,143 km (0.062 R)
• M13: 11,394,571 km (0.1 R)
• M14: 13,124,520 km (0.092 R)
• M15: 13,738,021 km (0.073 R)
• M16: 14,890,224 km (0.111 R)
• M17: 19,040,219 km (0.107 R)
• M18: 22,312,971 km (0.11 R)
• M19: 27,102,945 km (0.045 R)
• M20: 27,398,551 km (0.104 R)
• M21: 28,704,241 km (0.106 R)
• M22: 36,096,919 km (0.085 R)
• M23: 43,307,237 km (0.117 R)
• M24: 43,846,538 km (0.114 R)
• M25: 47,747,452 km (0.099 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.5

Radius: 3.6

Gravity: 37.85 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 6.76 AU - 10.68 AU

Year: 17171 Days

Day: 22.5 Hours

Environment

Temp: -234 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 27,278,509 km

• M1: 44,730 km (0.108 R)
• M2: 159,172 km (0.062 R)
• M3: 352,004 km (0.095 R)
• M4: 500,405 km (0.103 R)
• M5: 647,011 km (0.079 R)
• M6: 1,087,876 km (0.079 R)
• M7: 1,737,280 km (0.031 R)
• M8: 2,058,317 km (0.05 R)
• M9: 2,334,325 km (0.058 R)
• M10: 3,803,077 km (0.104 R)
• M11: 5,102,634 km (0.082 R)
• M12: 6,025,802 km (0.105 R)
• M13: 7,452,517 km (0.047 R)
• M14: 7,725,683 km (0.037 R)
• M15: 8,734,720 km (0.099 R)
• M16: 9,774,426 km (0.11 R)
• M17: 10,156,947 km (0.054 R)
• M18: 14,974,597 km (0.084 R)
• M19: 15,778,237 km (0.039 R)
• M20: 17,630,408 km (0.093 R)
• M21: 17,791,076 km (0.118 R)
• M22: 22,599,750 km (0.111 R)
• M23: 29,769,079 km (0.116 R)
• M24: 30,919,636 km (0.08 R)
• M25: 33,801,040 km (0.08 R)
• M26: 35,561,957 km (0.108 R)
• M27: 36,334,929 km (0.113 R)
• M28: 39,401,985 km (0.103 R)
• M29: 40,507,962 km (0.118 R)
• M30: 43,949,910 km (0.044 R)
• M31: 46,045,028 km (0.058 R)
• M32: 46,502,498 km (0.109 R)
• M33: 50,756,912 km (0.105 R)
• M34: 56,473,645 km (0.117 R)
• M35: 57,173,165 km (0.096 R)
• M36: 57,348,942 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 32.7

Radius: 4.7

Gravity: 1.48 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 9.13 AU - 9.95 AU

Year: 19650 Days

Day: 15.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 27,278,509 km

• M1: 73,453 km (0.085 R)
• M2: 389,702 km (0.093 R)
• M3: 612,304 km (0.086 R)
• M4: 815,608 km (0.106 R)
• M5: 1,962,126 km (0.054 R)
• M6: 3,106,549 km (0.112 R)
• M7: 5,020,205 km (0.109 R)
• M8: 8,731,130 km (0.084 R)
• M9: 8,922,915 km (0.073 R)
• M10: 10,560,712 km (0.112 R)
• M11: 12,340,628 km (0.072 R)
• M12: 14,957,244 km (0.025 R)
• M13: 15,232,055 km (0.038 R)
• M14: 19,638,460 km (0.043 R)
• M15: 20,979,157 km (0.092 R)
• M16: 21,812,118 km (0.081 R)
• M17: 25,521,247 km (0.088 R)
• M18: 27,034,280 km (0.042 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 479 - 13,426 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit