🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.51 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888

Radius: 14.4

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 0.98 AU - 1.04 AU

Year: 701 Days

Day: 15 Hours

Environment

Temp: -180 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,313,785 km

• M1: 179,069 km (0.028 R)
• M2: 634,445 km (0.09 R)
• M3: 1,306,588 km (0.103 R)
• M4: 1,816,417 km (0.113 R)
• M5: 2,482,128 km (0.062 R)
• M6: 3,495,803 km (0.094 R)
• M7: 4,029,867 km (0.049 R)
• M8: 4,787,281 km (0.102 R)
• M9: 5,282,600 km (0.105 R)
• M10: 5,831,624 km (0.095 R)
• M11: 6,335,470 km (0.115 R)
• M12: 7,385,048 km (0.045 R)
• M13: 7,903,405 km (0.064 R)
• M14: 8,830,463 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 47.6

Radius: 11.4

Gravity: 0.37 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.14 AU - 1.42 AU

Year: 1000 Days

Day: 7.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 38,313,785 km

• M1: 141,819 km (0.096 R)
• M2: 520,601 km (0.075 R)
• M3: 885,619 km (0.09 R)
• M4: 1,530,985 km (0.082 R)
• M5: 3,132,579 km (0.046 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 586.3

Radius: 14.3

Gravity: 2.87 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.47 AU - 1.59 AU

Year: 1306 Days

Day: 6.3 Hours

Environment

Temp: -194 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 38,313,785 km

• M1: 178,171 km (0.068 R)
• M2: 635,342 km (0.099 R)
• M3: 1,088,923 km (0.093 R)
• M4: 1,672,803 km (0.109 R)
• M5: 2,161,091 km (0.032 R)
• M6: 3,390,785 km (0.1 R)
• M7: 4,377,982 km (0.116 R)
• M8: 5,084,832 km (0.12 R)
• M9: 5,866,929 km (0.039 R)
• M10: 6,610,132 km (0.116 R)
• M11: 7,339,571 km (0.081 R)
• M12: 7,961,150 km (0.091 R)
• M13: 9,670,455 km (0.106 R)
• M14: 11,205,329 km (0.038 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 467.5

Radius: 13.3

Gravity: 2.64 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 1.49 AU - 1.93 AU

Year: 1543 Days

Day: 12.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 38,313,785 km

• M1: 165,455 km (0.047 R)
• M2: 595,848 km (0.066 R)
• M3: 1,015,321 km (0.108 R)
• M4: 1,440,927 km (0.093 R)
• M5: 2,302,910 km (0.05 R)
• M6: 2,752,601 km (0.109 R)
• M7: 3,290,555 km (0.059 R)
• M8: 3,767,922 km (0.037 R)
• M9: 4,273,862 km (0.119 R)
• M10: 5,444,166 km (0.097 R)
• M11: 6,252,144 km (0.103 R)
• M12: 6,793,838 km (0.079 R)
• M13: 8,189,586 km (0.045 R)
• M14: 10,795,730 km (0.12 R)
• M15: 11,473,409 km (0.097 R)
• M16: 12,107,255 km (0.097 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 920.7

Radius: 7.7

Gravity: 15.53 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 5.47 AU - 6.43 AU

Year: 10018 Days

Day: 21.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 46.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 38,313,785 km

• M1: 95,892 km (0.09 R)
• M2: 388,954 km (0.096 R)
• M3: 1,014,274 km (0.117 R)
• M4: 2,229,158 km (0.118 R)
• M5: 2,624,545 km (0.045 R)
• M6: 3,136,319 km (0.036 R)
• M7: 3,712,720 km (0.114 R)
• M8: 4,447,395 km (0.113 R)
• M9: 4,723,104 km (0.094 R)
• M10: 5,619,644 km (0.109 R)
• M11: 6,015,779 km (0.048 R)
• M12: 6,585,897 km (0.089 R)
• M13: 6,863,999 km (0.119 R)
• M14: 7,359,018 km (0.118 R)
• M15: 8,236,709 km (0.057 R)
• M16: 8,606,665 km (0.042 R)
• M17: 8,987,690 km (0.111 R)
• M18: 12,095,437 km (0.119 R)
• M19: 12,452,976 km (0.116 R)
• M20: 12,695,324 km (0.068 R)
• M21: 13,189,446 km (0.091 R)
• M22: 13,696,134 km (0.082 R)
• M23: 18,541,609 km (0.084 R)
• M24: 18,857,859 km (0.112 R)
• M25: 21,431,840 km (0.065 R)
• M26: 22,938,440 km (0.118 R)
• M27: 25,280,245 km (0.119 R)
• M28: 28,714,713 km (0.07 R)
• M29: 33,254,859 km (0.119 R)
• M30: 40,197,696 km (0.108 R)
• M31: 40,462,185 km (0.103 R)
• M32: 47,015,020 km (0.054 R)
• M33: 49,095,628 km (0.033 R)
• M34: 51,236,822 km (0.118 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.79 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.1

Radius: 4.8

Gravity: 35.29 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.64 AU - 7.94 AU

Year: 12213 Days

Day: 20.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 38,313,785 km

• M1: 60,288 km (0.097 R)
• M2: 596,148 km (0.084 R)
• M3: 986,748 km (0.103 R)
• M4: 1,238,371 km (0.086 R)
• M5: 4,762,299 km (0.11 R)
• M6: 5,444,615 km (0.093 R)
• M7: 6,228,657 km (0.11 R)
• M8: 6,465,919 km (0.051 R)
• M9: 7,257,142 km (0.085 R)
• M10: 8,489,978 km (0.116 R)
• M11: 8,732,626 km (0.118 R)
• M12: 9,385,322 km (0.082 R)
• M13: 10,070,031 km (0.097 R)
• M14: 10,730,954 km (0.094 R)
• M15: 11,597,425 km (0.106 R)
• M16: 11,956,759 km (0.049 R)
• M17: 13,402,922 km (0.119 R)
• M18: 16,562,579 km (0.118 R)
• M19: 17,326,425 km (0.085 R)
• M20: 20,357,428 km (0.084 R)
• M21: 23,819,721 km (0.09 R)
• M22: 24,890,692 km (0.11 R)
• M23: 25,288,024 km (0.066 R)
• M24: 26,711,897 km (0.1 R)
• M25: 29,829,666 km (0.088 R)
• M26: 31,765,612 km (0.102 R)
• M27: 34,886,074 km (0.065 R)
• M28: 41,172,326 km (0.089 R)
• M29: 48,326,695 km (0.113 R)
• M30: 56,096,060 km (0.07 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 190.3

Radius: 7.1

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 7.2 AU - 7.36 AU

Year: 13558 Days

Day: 19.1 Hours

Environment

Temp: -236 °C

Axial Tilt: 171.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 38,313,785 km

• M1: 88,263 km (0.096 R)
• M2: 484,248 km (0.109 R)
• M3: 737,218 km (0.116 R)
• M4: 1,130,810 km (0.049 R)
• M5: 1,699,282 km (0.077 R)
• M6: 2,040,216 km (0.101 R)
• M7: 2,684,534 km (0.048 R)
• M8: 2,920,300 km (0.105 R)
• M9: 5,651,359 km (0.099 R)
• M10: 6,140,993 km (0.08 R)
• M11: 6,658,452 km (0.115 R)
• M12: 7,741,091 km (0.076 R)
• M13: 10,250,446 km (0.039 R)
• M14: 10,928,723 km (0.087 R)
• M15: 12,482,596 km (0.113 R)
• M16: 13,539,654 km (0.091 R)
• M17: 14,534,929 km (0.099 R)
• M18: 14,897,704 km (0.111 R)
• M19: 15,958,054 km (0.07 R)
• M20: 18,368,225 km (0.08 R)
• M21: 20,553,700 km (0.077 R)
• M22: 22,422,626 km (0.064 R)
• M23: 24,064,164 km (0.083 R)
• M24: 25,784,240 km (0.079 R)
• M25: 27,309,540 km (0.099 R)
• M26: 35,191,852 km (0.1 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 202 - 15,657 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit