🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.5 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.3

Radius: 9.7

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.77 AU - 1.21 AU

Year: 646 Days

Day: 12.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 52.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 84,686,444 km

• M1: 120,576 km (0.101 R)
• M2: 433,684 km (0.098 R)
• M3: 941,569 km (0.046 R)
• M4: 1,266,496 km (0.09 R)
• M5: 1,751,193 km (0.042 R)
• M6: 2,614,372 km (0.101 R)
• M7: 4,022,388 km (0.059 R)
• M8: 4,350,156 km (0.106 R)
• M9: 4,820,343 km (0.063 R)
• M10: 6,322,754 km (0.073 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449

Radius: 13.3

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 1.36 AU - 1.88 AU

Year: 1353 Days

Day: 6.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 84,686,444 km

• M1: 165,455 km (0.091 R)
• M2: 1,073,365 km (0.065 R)
• M3: 1,895,555 km (0.103 R)
• M4: 2,630,379 km (0.118 R)
• M5: 4,473,724 km (0.112 R)
• M6: 7,835,039 km (0.107 R)
• M7: 8,335,593 km (0.025 R)
• M8: 8,970,188 km (0.073 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.6

Radius: 13.9

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 2.12 AU - 2.58 AU

Year: 2363 Days

Day: 8.1 Hours

Environment

Temp: -201 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 84,686,444 km

• M1: 173,982 km (0.081 R)
• M2: 927,656 km (0.052 R)
• M3: 1,365,081 km (0.08 R)
• M4: 1,906,475 km (0.079 R)
• M5: 2,919,103 km (0.111 R)
• M6: 4,351,353 km (0.037 R)
• M7: 5,244,004 km (0.108 R)
• M8: 6,458,888 km (0.11 R)
• M9: 7,544,669 km (0.099 R)
• M10: 9,560,351 km (0.085 R)
• M11: 10,077,361 km (0.087 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.2

Radius: 13.5

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 2.92 AU - 3.38 AU

Year: 3668 Days

Day: 10.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 84,686,444 km

• M1: 167,849 km (0.113 R)
• M2: 786,885 km (0.05 R)
• M3: 1,215,333 km (0.087 R)
• M4: 1,757,177 km (0.111 R)
• M5: 2,293,635 km (0.031 R)
• M6: 3,027,562 km (0.12 R)
• M7: 3,520,038 km (0.117 R)
• M8: 4,155,081 km (0.059 R)
• M9: 4,741,654 km (0.074 R)
• M10: 5,171,748 km (0.094 R)
• M11: 5,994,985 km (0.111 R)
• M12: 7,064,011 km (0.113 R)
• M13: 11,571,545 km (0.068 R)
• M14: 13,077,547 km (0.08 R)
• M15: 13,574,062 km (0.087 R)
• M16: 14,817,220 km (0.091 R)
• M17: 17,173,387 km (0.114 R)
• M18: 18,440,780 km (0.112 R)
• M19: 19,002,670 km (0.036 R)
• M20: 19,511,601 km (0.052 R)
• M21: 24,213,463 km (0.106 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 374.1

Radius: 8

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.84 AU - 5.3 AU

Year: 7489 Days

Day: 14.2 Hours

Environment

Temp: -222 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 84,686,444 km

• M1: 99,782 km (0.049 R)
• M2: 596,746 km (0.099 R)
• M3: 977,921 km (0.075 R)
• M4: 1,354,310 km (0.062 R)
• M5: 1,717,832 km (0.117 R)
• M6: 2,918,954 km (0.085 R)
• M7: 3,551,603 km (0.09 R)
• M8: 4,006,381 km (0.077 R)
• M9: 4,397,579 km (0.065 R)
• M10: 4,734,025 km (0.114 R)
• M11: 5,143,474 km (0.077 R)
• M12: 5,458,677 km (0.103 R)
• M13: 5,756,227 km (0.06 R)
• M14: 6,127,828 km (0.05 R)
• M15: 7,126,992 km (0.095 R)
• M16: 11,386,343 km (0.091 R)
• M17: 13,472,335 km (0.102 R)
• M18: 15,860,516 km (0.113 R)
• M19: 16,529,817 km (0.03 R)
• M20: 17,601,087 km (0.058 R)
• M21: 20,091,443 km (0.109 R)
• M22: 26,260,410 km (0.113 R)
• M23: 28,154,918 km (0.075 R)
• M24: 30,046,732 km (0.057 R)
• M25: 31,734,346 km (0.109 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.26 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 292.2

Radius: 9.6

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 4.97 AU - 5.55 AU

Year: 7914 Days

Day: 12.8 Hours

Environment

Temp: -213 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 84,686,444 km

• M1: 119,379 km (0.104 R)
• M2: 885,021 km (0.082 R)
• M3: 1,338,751 km (0.092 R)
• M4: 1,767,200 km (0.111 R)
• M5: 2,365,292 km (0.119 R)
• M6: 2,997,044 km (0.066 R)
• M7: 4,344,322 km (0.103 R)
• M8: 6,181,683 km (0.113 R)
• M9: 6,761,824 km (0.098 R)
• M10: 7,065,208 km (0.093 R)
• M11: 8,030,563 km (0.104 R)
• M12: 8,525,732 km (0.092 R)
• M13: 9,577,106 km (0.093 R)
• M14: 15,923,497 km (0.055 R)
• M15: 16,281,335 km (0.074 R)
• M16: 21,652,796 km (0.087 R)
• M17: 28,099,118 km (0.117 R)
• M18: 28,447,082 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 428.1

Radius: 3.1

Gravity: 44.55 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 5.55 AU - 7.11 AU

Year: 10448 Days

Day: 16.5 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 84,686,444 km

• M1: 38,596 km (0.112 R)
• M2: 351,106 km (0.113 R)
• M3: 558,150 km (0.114 R)
• M4: 944,262 km (0.107 R)
• M5: 1,710,203 km (0.077 R)
• M6: 1,830,629 km (0.087 R)
• M7: 2,463,129 km (0.083 R)
• M8: 2,756,790 km (0.109 R)
• M9: 2,901,750 km (0.043 R)
• M10: 4,499,754 km (0.098 R)
• M11: 4,967,846 km (0.087 R)
• M12: 5,630,714 km (0.069 R)
• M13: 6,138,749 km (0.055 R)
• M14: 6,825,253 km (0.108 R)
• M15: 8,784,985 km (0.057 R)
• M16: 9,796,716 km (0.059 R)
• M17: 9,988,650 km (0.091 R)
• M18: 11,509,312 km (0.058 R)
• M19: 13,947,608 km (0.115 R)
• M20: 14,936,450 km (0.109 R)
• M21: 15,773,450 km (0.111 R)
• M22: 16,709,185 km (0.074 R)
• M23: 17,965,956 km (0.067 R)
• M24: 18,398,593 km (0.11 R)
• M25: 22,359,347 km (0.114 R)
• M26: 22,692,052 km (0.068 R)
• M27: 23,197,394 km (0.108 R)
• M28: 23,796,234 km (0.043 R)
• M29: 24,758,148 km (0.102 R)
• M30: 26,852,519 km (0.081 R)
• M31: 27,134,062 km (0.086 R)
• M32: 27,894,617 km (0.119 R)
• M33: 29,358,732 km (0.086 R)
• M34: 29,857,940 km (0.036 R)
• M35: 31,389,373 km (0.092 R)
• M36: 31,701,883 km (0.102 R)
• M37: 34,057,002 km (0.102 R)
• M38: 39,715,991 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 932.8

Radius: 3.3

Gravity: 85.66 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 8.47 AU - 8.69 AU

Year: 16487 Days

Day: 15.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 44.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 84,686,444 km

• M1: 41,588 km (0.12 R)
• M2: 147,952 km (0.083 R)
• M3: 411,544 km (0.117 R)
• M4: 582,085 km (0.077 R)
• M5: 2,021,965 km (0.056 R)
• M6: 2,248,755 km (0.075 R)
• M7: 2,632,175 km (0.066 R)
• M8: 3,031,451 km (0.095 R)
• M9: 3,245,675 km (0.101 R)
• M10: 3,585,711 km (0.079 R)
• M11: 3,948,935 km (0.059 R)
• M12: 4,891,402 km (0.082 R)
• M13: 5,851,072 km (0.103 R)
• M14: 6,527,404 km (0.029 R)
• M15: 7,254,150 km (0.118 R)
• M16: 8,083,820 km (0.052 R)
• M17: 9,415,840 km (0.12 R)
• M18: 10,104,439 km (0.028 R)
• M19: 11,388,886 km (0.094 R)
• M20: 12,916,280 km (0.114 R)
• M21: 13,478,020 km (0.051 R)
• M22: 13,692,843 km (0.059 R)
• M23: 14,129,220 km (0.069 R)
• M24: 14,801,213 km (0.031 R)
• M25: 15,888,341 km (0.032 R)
• M26: 17,027,678 km (0.117 R)
• M27: 23,035,230 km (0.11 R)
• M28: 29,346,016 km (0.051 R)
• M29: 29,827,721 km (0.056 R)
• M30: 31,681,089 km (0.119 R)
• M31: 42,108,210 km (0.115 R)
• M32: 44,594,377 km (0.099 R)
• M33: 45,712,173 km (0.047 R)
• M34: 47,341,144 km (0.115 R)
• M35: 52,813,434 km (0.092 R)
• M36: 55,151,948 km (0.079 R)
• M37: 60,615,262 km (0.099 R)
• M38: 64,181,376 km (0.107 R)
• M39: 65,605,099 km (0.079 R)
• M40: 70,431,426 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.1

Radius: 4.3

Gravity: 46.35 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 7.66 AU - 12.5 AU

Year: 20994 Days

Day: 20.9 Hours

Environment

Temp: -239 °C

Axial Tilt: 43.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 84,686,444 km

• M1: 59,690 km (0.075 R)
• M2: 280,795 km (0.118 R)
• M3: 440,566 km (0.104 R)
• M4: 740,809 km (0.04 R)
• M5: 979,417 km (0.1 R)
• M6: 1,473,389 km (0.112 R)
• M7: 1,610,720 km (0.076 R)
• M8: 1,852,321 km (0.059 R)
• M9: 4,920,872 km (0.102 R)
• M10: 5,429,505 km (0.107 R)
• M11: 6,413,710 km (0.103 R)
• M12: 9,949,605 km (0.096 R)
• M13: 11,412,672 km (0.053 R)
• M14: 12,370,248 km (0.06 R)
• M15: 13,603,533 km (0.064 R)
• M16: 18,334,266 km (0.118 R)
• M17: 23,403,240 km (0.087 R)
• M18: 23,619,110 km (0.095 R)
• M19: 28,098,669 km (0.11 R)
• M20: 30,216,676 km (0.119 R)
• M21: 33,248,426 km (0.079 R)
• M22: 34,209,891 km (0.109 R)
• M23: 35,758,080 km (0.067 R)
• M24: 38,092,255 km (0.083 R)
• M25: 39,296,518 km (0.075 R)
• M26: 51,845,536 km (0.057 R)
• M27: 52,951,363 km (0.12 R)
• M28: 65,313,533 km (0.088 R)
• M29: 76,818,955 km (0.109 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 410 - 12,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit