🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.55 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.1

Radius: 11.2

Gravity: 4.19 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 1 AU - 1.2 AU

Year: 782 Days

Day: 7.2 Hours

Environment

Temp: -185 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 81,634,799 km

• M1: 139,276 km (0.072 R)
• M2: 507,286 km (0.055 R)
• M3: 958,025 km (0.042 R)
• M4: 1,502,112 km (0.049 R)
• M5: 1,991,596 km (0.067 R)
• M6: 2,468,963 km (0.117 R)
• M7: 2,879,161 km (0.041 R)
• M8: 3,283,374 km (0.102 R)
• M9: 3,781,834 km (0.081 R)
• M10: 5,068,376 km (0.112 R)
• M11: 5,812,027 km (0.083 R)
• M12: 8,001,841 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 323.6

Radius: 14.4

Gravity: 1.56 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.09 AU - 1.39 AU

Year: 937 Days

Day: 11.3 Hours

Environment

Temp: -177 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 81,634,799 km

• M1: 179,218 km (0.093 R)
• M2: 979,866 km (0.104 R)
• M3: 1,631,066 km (0.103 R)
• M4: 2,282,564 km (0.094 R)
• M5: 3,263,478 km (0.082 R)
• M6: 6,687,623 km (0.06 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 732.2

Radius: 14.8

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 1.42 AU - 1.76 AU

Year: 1360 Days

Day: 8.5 Hours

Environment

Temp: -186 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 81,634,799 km

• M1: 184,005 km (0.072 R)
• M2: 741,257 km (0.083 R)
• M3: 1,265,000 km (0.028 R)
• M4: 1,858,903 km (0.096 R)
• M5: 2,344,647 km (0.07 R)
• M6: 2,902,498 km (0.087 R)
• M7: 3,393,927 km (0.052 R)
• M8: 4,165,852 km (0.099 R)
• M9: 5,660,634 km (0.083 R)
• M10: 8,225,489 km (0.116 R)
• M11: 8,772,270 km (0.113 R)
• M12: 9,685,265 km (0.034 R)
• M13: 11,172,418 km (0.044 R)
• M14: 11,989,073 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 792.2

Radius: 11.7

Gravity: 5.79 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 1.52 AU - 1.86 AU

Year: 1490 Days

Day: 7.2 Hours

Environment

Temp: -188 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 81,634,799 km

• M1: 145,559 km (0.099 R)
• M2: 587,172 km (0.074 R)
• M3: 1,034,619 km (0.052 R)
• M4: 1,703,022 km (0.083 R)
• M5: 2,411,218 km (0.064 R)
• M6: 3,034,593 km (0.074 R)
• M7: 3,628,496 km (0.096 R)
• M8: 4,060,535 km (0.105 R)
• M9: 4,723,403 km (0.099 R)
• M10: 5,091,564 km (0.1 R)
• M11: 6,313,629 km (0.083 R)
• M12: 7,528,662 km (0.074 R)
• M13: 8,033,106 km (0.102 R)
• M14: 8,801,591 km (0.097 R)
• M15: 9,715,933 km (0.08 R)
• M16: 10,213,196 km (0.039 R)
• M17: 10,937,699 km (0.059 R)
• M18: 12,221,248 km (0.108 R)
• M19: 13,318,399 km (0.101 R)
• M20: 13,725,754 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 340

Radius: 14.3

Gravity: 1.66 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 2.74 AU - 3 AU

Year: 3298 Days

Day: 14.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,634,799 km

• M1: 178,021 km (0.104 R)
• M2: 870,510 km (0.027 R)
• M3: 1,369,419 km (0.051 R)
• M4: 2,040,066 km (0.097 R)
• M5: 3,065,560 km (0.091 R)
• M6: 4,473,425 km (0.079 R)
• M7: 6,225,366 km (0.092 R)
• M8: 6,817,175 km (0.068 R)
• M9: 7,505,475 km (0.046 R)
• M10: 9,327,278 km (0.056 R)
• M11: 13,210,539 km (0.101 R)
• M12: 14,099,749 km (0.028 R)
• M13: 17,477,070 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.05 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 948.1

Radius: 3.7

Gravity: 69.25 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 6.61 AU - 7.49 AU

Year: 12696 Days

Day: 24.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 81,634,799 km

• M1: 46,525 km (0.08 R)
• M2: 177,273 km (0.072 R)
• M3: 297,550 km (0.077 R)
• M4: 455,226 km (0.05 R)
• M5: 778,059 km (0.065 R)
• M6: 1,120,787 km (0.092 R)
• M7: 2,274,785 km (0.098 R)
• M8: 2,505,914 km (0.057 R)
• M9: 2,752,451 km (0.028 R)
• M10: 2,917,757 km (0.11 R)
• M11: 3,064,512 km (0.07 R)
• M12: 3,991,870 km (0.072 R)
• M13: 4,173,033 km (0.114 R)
• M14: 5,056,857 km (0.057 R)
• M15: 5,305,040 km (0.094 R)
• M16: 5,450,449 km (0.119 R)
• M17: 6,257,978 km (0.036 R)
• M18: 7,054,587 km (0.089 R)
• M19: 8,795,607 km (0.097 R)
• M20: 9,576,358 km (0.06 R)
• M21: 10,233,392 km (0.063 R)
• M22: 10,402,288 km (0.113 R)
• M23: 11,515,146 km (0.091 R)
• M24: 13,031,321 km (0.08 R)
• M25: 13,700,472 km (0.093 R)
• M26: 14,112,914 km (0.107 R)
• M27: 14,462,673 km (0.104 R)
• M28: 14,675,402 km (0.114 R)
• M29: 15,845,257 km (0.107 R)
• M30: 19,209,115 km (0.115 R)
• M31: 19,987,024 km (0.069 R)
• M32: 21,790,575 km (0.086 R)
• M33: 28,730,570 km (0.083 R)
• M34: 29,518,951 km (0.101 R)
• M35: 37,274,404 km (0.085 R)
• M36: 37,540,538 km (0.094 R)
• M37: 42,407,256 km (0.072 R)
• M38: 45,520,089 km (0.101 R)
• M39: 48,940,943 km (0.04 R)
• M40: 52,863,848 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 877.2

Radius: 3.4

Gravity: 75.88 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 8.42 AU - 10.44 AU

Year: 19641 Days

Day: 24.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 39.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 81,634,799 km

• M1: 42,336 km (0.057 R)
• M2: 194,178 km (0.1 R)
• M3: 619,784 km (0.086 R)
• M4: 923,019 km (0.114 R)
• M5: 1,526,497 km (0.12 R)
• M6: 1,702,424 km (0.106 R)
• M7: 1,833,472 km (0.084 R)
• M8: 2,947,826 km (0.103 R)
• M9: 3,082,464 km (0.069 R)
• M10: 3,192,867 km (0.109 R)
• M11: 3,510,613 km (0.084 R)
• M12: 4,662,367 km (0.097 R)
• M13: 8,088,158 km (0.059 R)
• M14: 9,122,329 km (0.086 R)
• M15: 10,119,398 km (0.038 R)
• M16: 11,514,847 km (0.069 R)
• M17: 12,536,601 km (0.098 R)
• M18: 18,200,227 km (0.103 R)
• M19: 27,433,108 km (0.109 R)
• M20: 28,510,961 km (0.108 R)
• M21: 30,496,573 km (0.054 R)
• M22: 32,307,755 km (0.048 R)
• M23: 32,439,849 km (0.078 R)
• M24: 36,570,995 km (0.11 R)
• M25: 36,714,459 km (0.104 R)
• M26: 37,875,488 km (0.081 R)
• M27: 41,817,691 km (0.093 R)
• M28: 42,764,646 km (0.106 R)
• M29: 45,359,720 km (0.103 R)
• M30: 45,525,325 km (0.109 R)
• M31: 49,797,391 km (0.09 R)
• M32: 50,861,032 km (0.058 R)
• M33: 54,142,611 km (0.078 R)
• M34: 58,930,341 km (0.106 R)
• M35: 61,730,963 km (0.089 R)
• M36: 62,138,168 km (0.112 R)
• M37: 67,164,956 km (0.062 R)
• M38: 71,555,504 km (0.052 R)
• M39: 75,667,052 km (0.088 R)
• M40: 77,071,776 km (0.112 R)
• M41: 80,417,083 km (0.111 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: 185 - 15,176 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit