🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 298.6

Radius: 9

Gravity: 3.69 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 0.5 AU - 0.52 AU

Year: 247 Days

Day: 8.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 89,631,390 km

• M1: 111,899 km (0.036 R)
• M2: 393,592 km (0.094 R)
• M3: 782,995 km (0.102 R)
• M4: 1,220,719 km (0.059 R)
• M5: 1,565,542 km (0.05 R)
• M6: 2,150,320 km (0.115 R)
• M7: 2,595,224 km (0.047 R)
• M8: 2,899,506 km (0.054 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 396.8

Radius: 12.1

Gravity: 2.71 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.48 AU - 0.6 AU

Year: 269 Days

Day: 14.4 Hours

Environment

Temp: -153 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 89,631,390 km

• M1: 150,495 km (0.119 R)
• M2: 535,411 km (0.113 R)
• M3: 977,772 km (0.046 R)
• M4: 1,455,288 km (0.069 R)
• M5: 1,858,454 km (0.053 R)
• M6: 2,656,858 km (0.05 R)
• M7: 3,192,269 km (0.116 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 165.4

Radius: 8.3

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 1.5 AU - 2.42 AU

Year: 1861 Days

Day: 7.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 89,631,390 km

• M1: 106,962 km (0.109 R)
• M2: 430,692 km (0.058 R)
• M3: 705,504 km (0.112 R)
• M4: 1,096,253 km (0.042 R)
• M5: 1,357,750 km (0.112 R)
• M6: 1,696,141 km (0.074 R)
• M7: 2,397,455 km (0.105 R)
• M8: 5,528,240 km (0.118 R)
• M9: 6,141,142 km (0.108 R)
• M10: 7,050,996 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733.6

Radius: 12

Gravity: 5.09 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 2.64 AU - 3.22 AU

Year: 3402 Days

Day: 6.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 45.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 89,631,390 km

• M1: 150,196 km (0.104 R)
• M2: 920,177 km (0.116 R)
• M3: 1,462,618 km (0.087 R)
• M4: 2,227,811 km (0.055 R)
• M5: 2,841,761 km (0.051 R)
• M6: 3,527,069 km (0.112 R)
• M7: 4,687,649 km (0.07 R)
• M8: 5,202,266 km (0.099 R)
• M9: 5,974,939 km (0.056 R)
• M10: 6,374,664 km (0.103 R)
• M11: 8,720,957 km (0.101 R)
• M12: 10,048,339 km (0.094 R)
• M13: 11,033,441 km (0.115 R)
• M14: 11,549,554 km (0.09 R)
• M15: 12,863,771 km (0.112 R)
• M16: 13,387,513 km (0.119 R)
• M17: 15,787,512 km (0.1 R)
• M18: 17,174,733 km (0.109 R)
• M19: 19,312,936 km (0.087 R)
• M20: 20,000,338 km (0.027 R)
• M21: 20,833,598 km (0.098 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.9

Radius: 9.9

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 2.84 AU - 3.04 AU

Year: 3419 Days

Day: 7.7 Hours

Environment

Temp: -202 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 89,631,390 km

• M1: 123,269 km (0.092 R)
• M2: 582,534 km (0.101 R)
• M3: 1,123,480 km (0.071 R)
• M4: 1,646,624 km (0.06 R)
• M5: 2,140,596 km (0.081 R)
• M6: 3,499,393 km (0.059 R)
• M7: 4,599,237 km (0.119 R)
• M8: 4,959,020 km (0.116 R)
• M9: 5,889,519 km (0.078 R)
• M10: 6,423,882 km (0.081 R)
• M11: 6,961,238 km (0.095 R)
• M12: 9,029,279 km (0.107 R)
• M13: 9,344,781 km (0.088 R)
• M14: 11,234,351 km (0.088 R)
• M15: 12,099,177 km (0.086 R)
• M16: 13,365,822 km (0.036 R)
• M17: 15,502,977 km (0.1 R)
• M18: 15,905,395 km (0.097 R)
• M19: 16,470,277 km (0.083 R)
• M20: 16,995,365 km (0.092 R)
• M21: 17,639,983 km (0.051 R)
• M22: 17,968,499 km (0.077 R)
• M23: 18,750,747 km (0.07 R)
• M24: 19,265,513 km (0.065 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 674.9

Radius: 14.6

Gravity: 3.17 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 3.8 AU - 6.33 AU

Year: 7720 Days

Day: 11.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 89,631,390 km

• M1: 181,612 km (0.106 R)
• M2: 762,052 km (0.071 R)
• M3: 1,503,159 km (0.077 R)
• M4: 1,999,525 km (0.103 R)
• M5: 2,816,330 km (0.093 R)
• M6: 3,995,161 km (0.068 R)
• M7: 4,683,909 km (0.079 R)
• M8: 6,721,283 km (0.028 R)
• M9: 7,581,321 km (0.105 R)
• M10: 8,304,776 km (0.115 R)
• M11: 8,769,128 km (0.098 R)
• M12: 11,773,801 km (0.104 R)
• M13: 14,302,005 km (0.117 R)
• M14: 14,971,456 km (0.038 R)
• M15: 16,047,064 km (0.046 R)
• M16: 18,780,965 km (0.112 R)
• M17: 24,633,683 km (0.098 R)
• M18: 28,349,993 km (0.119 R)
• M19: 30,992,191 km (0.044 R)
• M20: 32,011,102 km (0.043 R)
• M21: 33,581,431 km (0.115 R)
• M22: 39,899,248 km (0.101 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.5

Radius: 14.8

Gravity: 3.65 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 4.23 AU - 6.11 AU

Year: 7973 Days

Day: 10.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 89,631,390 km

• M1: 184,155 km (0.104 R)
• M2: 669,450 km (0.097 R)
• M3: 1,152,652 km (0.075 R)
• M4: 2,825,754 km (0.095 R)
• M5: 3,384,053 km (0.085 R)
• M6: 3,863,365 km (0.095 R)
• M7: 4,554,806 km (0.108 R)
• M8: 5,265,546 km (0.093 R)
• M9: 7,488,271 km (0.039 R)
• M10: 8,267,377 km (0.034 R)
• M11: 9,328,026 km (0.093 R)
• M12: 10,932,612 km (0.116 R)
• M13: 15,773,749 km (0.064 R)
• M14: 16,848,610 km (0.119 R)
• M15: 18,043,448 km (0.109 R)
• M16: 19,749,163 km (0.073 R)
• M17: 21,157,328 km (0.091 R)
• M18: 21,804,338 km (0.116 R)
• M19: 26,243,805 km (0.119 R)
• M20: 28,430,178 km (0.107 R)
• M21: 34,146,911 km (0.099 R)
• M22: 35,037,766 km (0.119 R)
• M23: 36,749,615 km (0.058 R)
• M24: 37,921,564 km (0.095 R)
• M25: 40,093,576 km (0.045 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.32 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 740.8

Radius: 7.7

Gravity: 12.49 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 8.64 AU - 10 AU

Year: 19298 Days

Day: 22.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 46.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 89,631,390 km

• M1: 102,175 km (0.094 R)
• M2: 419,622 km (0.084 R)
• M3: 761,603 km (0.05 R)
• M4: 1,767,798 km (0.095 R)
• M5: 2,071,033 km (0.12 R)
• M6: 3,063,166 km (0.102 R)
• M7: 3,305,814 km (0.049 R)
• M8: 3,679,060 km (0.096 R)
• M9: 4,080,282 km (0.106 R)
• M10: 4,374,990 km (0.115 R)
• M11: 5,461,369 km (0.105 R)
• M12: 6,236,436 km (0.049 R)
• M13: 7,036,485 km (0.076 R)
• M14: 8,105,063 km (0.097 R)
• M15: 8,893,145 km (0.036 R)
• M16: 15,033,838 km (0.085 R)
• M17: 15,344,553 km (0.075 R)
• M18: 16,712,925 km (0.069 R)
• M19: 17,726,600 km (0.097 R)
• M20: 18,336,510 km (0.116 R)
• M21: 21,401,771 km (0.113 R)
• M22: 23,313,183 km (0.118 R)
• M23: 25,117,333 km (0.114 R)
• M24: 29,121,469 km (0.071 R)
• M25: 33,663,560 km (0.092 R)
• M26: 34,868,571 km (0.117 R)
• M27: 35,550,438 km (0.109 R)
• M28: 40,724,280 km (0.077 R)
• M29: 41,025,570 km (0.115 R)
• M30: 42,399,926 km (0.096 R)
• M31: 47,202,915 km (0.112 R)
• M32: 47,869,523 km (0.118 R)
• M33: 48,881,104 km (0.119 R)
• M34: 57,682,545 km (0.084 R)
• M35: 61,361,456 km (0.057 R)
• M36: 66,228,025 km (0.089 R)
• M37: 68,755,032 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.3

Radius: 7

Gravity: 19.52 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 9.34 AU - 10.78 AU

Year: 21642 Days

Day: 18.8 Hours

Environment

Temp: -245 °C

Axial Tilt: 8.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 89,631,390 km

• M1: 96,341 km (0.036 R)
• M2: 511,625 km (0.073 R)
• M3: 928,255 km (0.099 R)
• M4: 1,436,439 km (0.052 R)
• M5: 1,679,087 km (0.114 R)
• M6: 3,860,822 km (0.116 R)
• M7: 4,622,724 km (0.092 R)
• M8: 5,357,997 km (0.096 R)
• M9: 6,533,537 km (0.084 R)
• M10: 7,306,210 km (0.08 R)
• M11: 7,662,852 km (0.068 R)
• M12: 8,084,718 km (0.119 R)
• M13: 9,503,055 km (0.072 R)
• M14: 9,866,728 km (0.045 R)
• M15: 11,550,900 km (0.115 R)
• M16: 12,105,460 km (0.097 R)
• M17: 13,267,835 km (0.114 R)
• M18: 13,645,869 km (0.092 R)
• M19: 14,582,352 km (0.034 R)
• M20: 15,148,131 km (0.053 R)
• M21: 15,644,646 km (0.104 R)
• M22: 17,739,615 km (0.107 R)
• M23: 22,370,866 km (0.102 R)
• M24: 30,147,262 km (0.113 R)
• M25: 32,136,016 km (0.087 R)
• M26: 33,788,624 km (0.069 R)
• M27: 34,069,419 km (0.091 R)
• M28: 35,352,520 km (0.095 R)
• M29: 36,225,723 km (0.088 R)
• M30: 39,239,970 km (0.059 R)
• M31: 40,966,928 km (0.07 R)
• M32: 44,740,834 km (0.104 R)
• M33: 46,798,702 km (0.101 R)
• M34: 48,383,093 km (0.116 R)
• M35: 51,844,488 km (0.094 R)
• M36: 52,593,675 km (0.12 R)
• M37: 72,811,976 km (0.115 R)
• M38: 75,654,336 km (0.101 R)
• M39: 87,764,134 km (0.097 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 19,437 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit