🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 849.2

Radius: 11.2

Gravity: 6.77 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.4 AU - 0.64 AU

Year: 254 Days

Day: 9.5 Hours

Environment

Temp: -137 °C

Axial Tilt: 35.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,043,725 km

• M1: 140,173 km (0.118 R)
• M2: 622,327 km (0.113 R)
• M3: 1,238,670 km (0.068 R)
• M4: 1,593,666 km (0.089 R)
• M5: 2,290,493 km (0.102 R)
• M6: 2,979,990 km (0.114 R)
• M7: 3,347,402 km (0.071 R)
• M8: 3,826,265 km (0.09 R)
• M9: 4,224,345 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.4

Radius: 12.1

Gravity: 4.24 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.82 AU - 1.06 AU

Year: 618 Days

Day: 12.1 Hours

Environment

Temp: -163 °C

Axial Tilt: 6.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,043,725 km

• M1: 150,495 km (0.118 R)
• M2: 1,313,170 km (0.058 R)
• M3: 1,739,225 km (0.09 R)
• M4: 2,535,235 km (0.119 R)
• M5: 2,971,014 km (0.041 R)
• M6: 3,706,287 km (0.077 R)
• M7: 4,860,584 km (0.105 R)
• M8: 5,610,070 km (0.101 R)
• M9: 6,959,891 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.2

Radius: 13.3

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.196

Orbit Range: 1.88 AU - 2.8 AU

Year: 2428 Days

Day: 14.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,043,725 km

• M1: 165,754 km (0.033 R)
• M2: 627,563 km (0.035 R)
• M3: 1,066,334 km (0.099 R)
• M4: 1,561,203 km (0.08 R)
• M5: 2,281,068 km (0.119 R)
• M6: 2,962,636 km (0.098 R)
• M7: 4,617,189 km (0.067 R)
• M8: 5,467,952 km (0.069 R)
• M9: 6,202,627 km (0.113 R)
• M10: 6,619,107 km (0.052 R)
• M11: 7,535,993 km (0.104 R)
• M12: 8,125,857 km (0.1 R)
• M13: 11,844,860 km (0.109 R)
• M14: 12,799,743 km (0.107 R)
• M15: 13,518,412 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.5

Radius: 14.4

Gravity: 3.29 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 3.06 AU - 3.16 AU

Year: 3720 Days

Day: 13.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,043,725 km

• M1: 179,218 km (0.103 R)
• M2: 646,712 km (0.096 R)
• M3: 1,127,818 km (0.117 R)
• M4: 1,739,823 km (0.113 R)
• M5: 2,272,092 km (0.099 R)
• M6: 2,779,229 km (0.106 R)
• M7: 3,714,366 km (0.088 R)
• M8: 5,728,850 km (0.08 R)
• M9: 6,958,096 km (0.097 R)
• M10: 8,250,921 km (0.05 R)
• M11: 9,935,393 km (0.11 R)
• M12: 10,462,277 km (0.098 R)
• M13: 11,093,430 km (0.097 R)
• M14: 13,578,700 km (0.109 R)
• M15: 15,004,068 km (0.099 R)
• M16: 16,471,174 km (0.056 R)
• M17: 20,263,630 km (0.07 R)
• M18: 20,783,483 km (0.095 R)
• M19: 21,580,241 km (0.103 R)
• M20: 22,953,100 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.9

Radius: 14.3

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 2.64 AU - 3.7 AU

Year: 3828 Days

Day: 9.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,043,725 km

• M1: 178,021 km (0.079 R)
• M2: 869,313 km (0.118 R)
• M3: 1,320,351 km (0.048 R)
• M4: 1,861,446 km (0.111 R)
• M5: 2,439,492 km (0.059 R)
• M6: 2,894,420 km (0.104 R)
• M7: 3,841,823 km (0.055 R)
• M8: 4,720,411 km (0.047 R)
• M9: 5,454,787 km (0.062 R)
• M10: 5,910,761 km (0.114 R)
• M11: 7,292,747 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582

Radius: 4.6

Gravity: 27.5 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 6.41 AU - 7.43 AU

Year: 12347 Days

Day: 20.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 4.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 73,043,725 km

• M1: 57,296 km (0.029 R)
• M2: 216,319 km (0.064 R)
• M3: 387,608 km (0.097 R)
• M4: 547,528 km (0.082 R)
• M5: 717,471 km (0.052 R)
• M6: 1,028,485 km (0.107 R)
• M7: 1,265,448 km (0.082 R)
• M8: 1,509,143 km (0.116 R)
• M9: 3,105,801 km (0.074 R)
• M10: 3,575,988 km (0.06 R)
• M11: 4,750,032 km (0.12 R)
• M12: 8,931,442 km (0.119 R)
• M13: 9,520,708 km (0.1 R)
• M14: 9,773,678 km (0.039 R)
• M15: 18,190,203 km (0.094 R)
• M16: 18,423,277 km (0.086 R)
• M17: 18,737,283 km (0.098 R)
• M18: 19,782,224 km (0.082 R)
• M19: 20,696,267 km (0.085 R)
• M20: 23,058,717 km (0.117 R)
• M21: 26,380,537 km (0.116 R)
• M22: 29,577,294 km (0.101 R)
• M23: 30,881,189 km (0.114 R)
• M24: 31,771,297 km (0.069 R)
• M25: 33,254,111 km (0.071 R)
• M26: 34,901,931 km (0.109 R)
• M27: 36,603,308 km (0.115 R)
• M28: 38,359,288 km (0.072 R)
• M29: 38,614,502 km (0.103 R)
• M30: 40,301,966 km (0.073 R)
• M31: 41,230,669 km (0.071 R)
• M32: 47,250,637 km (0.061 R)
• M33: 51,160,677 km (0.09 R)
• M34: 52,249,001 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 735

Radius: 4.1

Gravity: 43.72 G

Time & Orbit

Eccentricity (e): 0.209

Orbit Range: 7.08 AU - 10.82 AU

Year: 18160 Days

Day: 15.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 46.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 73,043,725 km

• M1: 63,130 km (0.108 R)
• M2: 200,461 km (0.096 R)
• M3: 349,909 km (0.098 R)
• M4: 551,717 km (0.055 R)
• M5: 817,702 km (0.066 R)
• M6: 1,035,068 km (0.109 R)
• M7: 1,247,197 km (0.113 R)
• M8: 1,536,071 km (0.118 R)
• M9: 2,722,083 km (0.076 R)
• M10: 3,261,682 km (0.102 R)
• M11: 3,993,366 km (0.057 R)
• M12: 5,935,744 km (0.067 R)
• M13: 7,923,302 km (0.045 R)
• M14: 9,620,041 km (0.075 R)
• M15: 10,492,944 km (0.106 R)
• M16: 12,063,123 km (0.12 R)
• M17: 13,146,362 km (0.074 R)
• M18: 16,456,514 km (0.11 R)
• M19: 17,279,452 km (0.081 R)
• M20: 19,185,628 km (0.034 R)
• M21: 21,131,597 km (0.084 R)
• M22: 22,201,670 km (0.094 R)
• M23: 23,512,297 km (0.05 R)
• M24: 24,873,488 km (0.071 R)
• M25: 29,749,481 km (0.064 R)
• M26: 32,219,641 km (0.046 R)
• M27: 33,634,987 km (0.071 R)
• M28: 35,225,511 km (0.072 R)
• M29: 35,902,741 km (0.105 R)
• M30: 37,563,577 km (0.106 R)
• M31: 39,274,976 km (0.107 R)
• M32: 44,091,280 km (0.1 R)
• M33: 48,950,368 km (0.076 R)
• M34: 49,963,295 km (0.095 R)
• M35: 70,661,357 km (0.118 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 14,206 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit