🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 782.1

Radius: 14.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.47 AU - 0.59 AU

Year: 266 Days

Day: 7.8 Hours

Environment

Temp: -147 °C

Axial Tilt: 16 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 45,451,131 km

• M1: 185,352 km (0.06 R)
• M2: 650,152 km (0.042 R)
• M3: 1,191,248 km (0.087 R)
• M4: 1,685,968 km (0.093 R)
• M5: 2,241,126 km (0.091 R)
• M6: 2,852,682 km (0.097 R)
• M7: 3,338,725 km (0.064 R)
• M8: 4,278,050 km (0.082 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 944.4

Radius: 14.1

Gravity: 4.75 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.53 AU - 0.79 AU

Year: 370 Days

Day: 8.4 Hours

Environment

Temp: -163 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,451,131 km

• M1: 175,329 km (0.049 R)
• M2: 709,842 km (0.109 R)
• M3: 1,185,114 km (0.096 R)
• M4: 1,647,521 km (0.105 R)
• M5: 2,130,573 km (0.071 R)
• M6: 2,571,887 km (0.063 R)
• M7: 3,075,134 km (0.1 R)
• M8: 3,681,304 km (0.114 R)
• M9: 4,174,080 km (0.101 R)
• M10: 4,696,326 km (0.092 R)
• M11: 5,293,969 km (0.112 R)
• M12: 5,924,824 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 656

Radius: 13.1

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.78 AU - 1 AU

Year: 580 Days

Day: 11.5 Hours

Environment

Temp: -171 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 45,451,131 km

• M1: 162,912 km (0.117 R)
• M2: 588,967 km (0.081 R)
• M3: 1,484,011 km (0.062 R)
• M4: 1,958,087 km (0.082 R)
• M5: 2,679,148 km (0.111 R)
• M6: 3,393,179 km (0.075 R)
• M7: 4,058,740 km (0.076 R)
• M8: 4,715,026 km (0.111 R)
• M9: 5,458,527 km (0.091 R)
• M10: 6,089,681 km (0.088 R)
• M11: 6,911,122 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.7

Radius: 8.4

Gravity: 14.13 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 0.8 AU - 1.32 AU

Year: 753 Days

Day: 14.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 36.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,451,131 km

• M1: 104,419 km (0.045 R)
• M2: 418,575 km (0.115 R)
• M3: 814,560 km (0.055 R)
• M4: 1,353,412 km (0.101 R)
• M5: 2,033,035 km (0.084 R)
• M6: 2,355,568 km (0.12 R)
• M7: 2,628,584 km (0.056 R)
• M8: 3,117,919 km (0.1 R)
• M9: 4,395,036 km (0.025 R)
• M10: 5,886,826 km (0.06 R)
• M11: 6,200,233 km (0.056 R)
• M12: 8,636,584 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 314.7

Radius: 8.5

Gravity: 4.36 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 2.04 AU - 2.16 AU

Year: 2101 Days

Day: 7.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 45,451,131 km

• M1: 109,206 km (0.044 R)
• M2: 415,433 km (0.115 R)
• M3: 720,763 km (0.12 R)
• M4: 1,100,891 km (0.062 R)
• M5: 1,521,560 km (0.078 R)
• M6: 1,970,952 km (0.106 R)
• M7: 2,905,939 km (0.073 R)
• M8: 3,600,522 km (0.099 R)
• M9: 4,383,068 km (0.105 R)
• M10: 4,804,635 km (0.102 R)
• M11: 5,086,926 km (0.048 R)
• M12: 5,662,878 km (0.048 R)
• M13: 6,163,582 km (0.048 R)
• M14: 6,768,107 km (0.067 R)
• M15: 7,201,342 km (0.116 R)
• M16: 7,927,490 km (0.119 R)
• M17: 8,265,432 km (0.076 R)
• M18: 8,820,290 km (0.071 R)
• M19: 9,306,633 km (0.115 R)
• M20: 11,397,114 km (0.088 R)
• M21: 12,608,408 km (0.119 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 439.5

Radius: 14.7

Gravity: 2.03 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 2.21 AU - 3.27 AU

Year: 3131 Days

Day: 8.6 Hours

Environment

Temp: -206 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 45,451,131 km

• M1: 182,809 km (0.076 R)
• M2: 657,632 km (0.093 R)
• M3: 1,522,308 km (0.084 R)
• M4: 2,309,941 km (0.107 R)
• M5: 2,930,173 km (0.087 R)
• M6: 4,342,677 km (0.115 R)
• M7: 5,248,492 km (0.116 R)
• M8: 6,713,653 km (0.05 R)
• M9: 7,199,697 km (0.083 R)
• M10: 7,740,044 km (0.111 R)
• M11: 8,307,469 km (0.083 R)
• M12: 9,921,181 km (0.104 R)
• M13: 11,292,246 km (0.08 R)
• M14: 11,817,334 km (0.068 R)
• M15: 12,443,551 km (0.101 R)
• M16: 13,401,875 km (0.082 R)
• M17: 16,419,713 km (0.079 R)
• M18: 17,200,165 km (0.052 R)
• M19: 17,788,234 km (0.116 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 183.3

Radius: 11.9

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 4.98 AU - 5.94 AU

Year: 8806 Days

Day: 9 Hours

Environment

Temp: -226 °C

Axial Tilt: 3.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,451,131 km

• M1: 199,264 km (0.077 R)
• M2: 801,545 km (0.103 R)
• M3: 1,327,532 km (0.036 R)
• M4: 1,927,718 km (0.072 R)
• M5: 2,423,934 km (0.115 R)
• M6: 3,848,854 km (0.066 R)
• M7: 5,185,810 km (0.083 R)
• M8: 6,974,253 km (0.1 R)
• M9: 10,082,148 km (0.062 R)
• M10: 10,597,513 km (0.054 R)
• M11: 11,449,174 km (0.061 R)
• M12: 15,206,474 km (0.114 R)
• M13: 18,104,185 km (0.036 R)
• M14: 18,802,059 km (0.114 R)
• M15: 19,517,885 km (0.092 R)
• M16: 23,223,723 km (0.074 R)
• M17: 27,706,423 km (0.053 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 896.1

Radius: 5.7

Gravity: 27.58 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 4.5 AU - 7.16 AU

Year: 9717 Days

Day: 24 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 45,451,131 km

• M1: 71,508 km (0.108 R)
• M2: 258,505 km (0.079 R)
• M3: 533,017 km (0.115 R)
• M4: 963,111 km (0.09 R)
• M5: 1,615,657 km (0.051 R)
• M6: 2,053,979 km (0.059 R)
• M7: 2,547,801 km (0.115 R)
• M8: 2,933,614 km (0.073 R)
• M9: 3,212,016 km (0.079 R)
• M10: 3,903,008 km (0.04 R)
• M11: 4,596,544 km (0.062 R)
• M12: 6,039,266 km (0.078 R)
• M13: 8,023,682 km (0.097 R)
• M14: 8,522,591 km (0.077 R)
• M15: 9,834,265 km (0.056 R)
• M16: 11,900,810 km (0.118 R)
• M17: 12,973,726 km (0.033 R)
• M18: 14,635,309 km (0.117 R)
• M19: 15,242,078 km (0.105 R)
• M20: 15,935,913 km (0.093 R)
• M21: 17,837,751 km (0.119 R)
• M22: 18,922,036 km (0.094 R)
• M23: 24,630,392 km (0.065 R)
• M24: 28,908,592 km (0.088 R)
• M25: 33,079,829 km (0.108 R)
• M26: 34,712,540 km (0.084 R)
• M27: 38,899,785 km (0.066 R)
• M28: 44,103,098 km (0.094 R)
• M29: 45,650,389 km (0.105 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.1 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 915.3

Radius: 4.7

Gravity: 41.44 G

Time & Orbit

Eccentricity (e): 0.198

Orbit Range: 5.69 AU - 8.51 AU

Year: 13059 Days

Day: 18.9 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 45,451,131 km

• M1: 63,429 km (0.092 R)
• M2: 235,168 km (0.103 R)
• M3: 457,470 km (0.066 R)
• M4: 886,816 km (0.052 R)
• M5: 1,471,594 km (0.095 R)
• M6: 2,162,288 km (0.12 R)
• M7: 2,877,665 km (0.111 R)
• M8: 3,072,591 km (0.113 R)
• M9: 3,543,674 km (0.094 R)
• M10: 6,812,089 km (0.074 R)
• M11: 11,303,914 km (0.057 R)
• M12: 12,290,213 km (0.116 R)
• M13: 12,804,231 km (0.099 R)
• M14: 14,716,691 km (0.093 R)
• M15: 15,591,539 km (0.052 R)
• M16: 15,815,487 km (0.079 R)
• M17: 15,966,132 km (0.113 R)
• M18: 18,257,971 km (0.106 R)
• M19: 19,960,395 km (0.108 R)
• M20: 20,313,147 km (0.058 R)
• M21: 22,328,081 km (0.056 R)
• M22: 22,708,209 km (0.092 R)
• M23: 23,189,465 km (0.106 R)
• M24: 23,973,358 km (0.1 R)
• M25: 25,284,883 km (0.115 R)
• M26: 26,537,316 km (0.12 R)
• M27: 27,830,589 km (0.03 R)
• M28: 28,939,858 km (0.083 R)
• M29: 30,078,148 km (0.076 R)
• M30: 31,010,143 km (0.069 R)
• M31: 33,177,217 km (0.106 R)
• M32: 33,424,054 km (0.117 R)
• M33: 33,796,702 km (0.113 R)
• M34: 34,550,077 km (0.028 R)
• M35: 36,220,786 km (0.043 R)
• M36: 36,745,575 km (0.1 R)
• M37: 38,350,162 km (0.089 R)
• M38: 41,841,776 km (0.102 R)
• M39: 44,333,479 km (0.116 R)
• M40: 46,458,367 km (0.063 R)
• M41: 55,637,393 km (0.072 R)
• M42: 61,574,633 km (0.113 R)
• M43: 62,886,158 km (0.093 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 156.9

Radius: 4.8

Gravity: 6.81 G

Time & Orbit

Eccentricity (e): 0.001

Orbit Range: 9.2 AU - 9.22 AU

Year: 19293 Days

Day: 15.3 Hours

Environment

Temp: -235 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 45,451,131 km

• M1: 59,839 km (0.119 R)
• M2: 209,886 km (0.08 R)
• M3: 433,834 km (0.105 R)
• M4: 914,043 km (0.072 R)
• M5: 1,385,875 km (0.09 R)
• M6: 2,056,372 km (0.091 R)
• M7: 2,358,859 km (0.098 R)
• M8: 3,544,123 km (0.118 R)
• M9: 3,847,807 km (0.059 R)
• M10: 4,623,621 km (0.045 R)
• M11: 10,825,500 km (0.083 R)
• M12: 12,756,809 km (0.075 R)
• M13: 19,594,778 km (0.067 R)
• M14: 24,995,560 km (0.086 R)
• M15: 27,156,053 km (0.095 R)
• M16: 38,002,197 km (0.114 R)
• M17: 39,719,282 km (0.119 R)
• M18: 40,093,725 km (0.084 R)
• M19: 41,744,089 km (0.064 R)
• M20: 42,390,651 km (0.026 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 278 - 14,632 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit