🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90.9

Radius: 8.1

Gravity: 1.39 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 0.54 AU - 0.84 AU

Year: 382 Days

Day: 13.2 Hours

Environment

Temp: -148 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,908,373 km

• M1: 100,679 km (0.044 R)
• M2: 390,899 km (0.089 R)
• M3: 698,622 km (0.096 R)
• M4: 1,057,507 km (0.081 R)
• M5: 1,330,823 km (0.076 R)
• M6: 1,719,478 km (0.119 R)
• M7: 2,043,208 km (0.108 R)
• M8: 2,307,098 km (0.107 R)
• M9: 2,632,324 km (0.072 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 551.7

Radius: 8.9

Gravity: 6.97 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 0.57 AU - 0.83 AU

Year: 391 Days

Day: 11.6 Hours

Environment

Temp: -164 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,908,373 km

• M1: 110,702 km (0.103 R)
• M2: 425,008 km (0.109 R)
• M3: 820,993 km (0.066 R)
• M4: 1,121,386 km (0.03 R)
• M5: 1,446,013 km (0.108 R)
• M6: 2,064,750 km (0.09 R)
• M7: 2,359,458 km (0.098 R)
• M8: 2,682,439 km (0.067 R)
• M9: 3,261,234 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 440.7

Radius: 14.5

Gravity: 2.1 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 1.24 AU - 1.34 AU

Year: 977 Days

Day: 5.5 Hours

Environment

Temp: -178 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 51,908,373 km

• M1: 180,415 km (0.086 R)
• M2: 633,697 km (0.053 R)
• M3: 1,300,753 km (0.095 R)
• M4: 1,884,036 km (0.066 R)
• M5: 2,652,071 km (0.105 R)
• M6: 3,129,288 km (0.064 R)
• M7: 4,074,896 km (0.047 R)
• M8: 4,990,435 km (0.096 R)
• M9: 6,385,585 km (0.086 R)
• M10: 7,435,912 km (0.117 R)
• M11: 8,247,630 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.3

Radius: 8.2

Gravity: 9.54 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.81 AU - 2.93 AU

Year: 2433 Days

Day: 11.7 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 51,908,373 km

• M1: 102,026 km (0.098 R)
• M2: 573,259 km (0.082 R)
• M3: 874,549 km (0.088 R)
• M4: 1,139,038 km (0.117 R)
• M5: 1,692,700 km (0.07 R)
• M6: 2,201,033 km (0.115 R)
• M7: 2,498,434 km (0.119 R)
• M8: 2,979,541 km (0.101 R)
• M9: 3,538,887 km (0.115 R)
• M10: 4,146,255 km (0.083 R)
• M11: 4,711,286 km (0.112 R)
• M12: 5,398,239 km (0.077 R)
• M13: 5,666,169 km (0.097 R)
• M14: 6,046,148 km (0.104 R)
• M15: 6,362,098 km (0.096 R)
• M16: 6,661,444 km (0.068 R)
• M17: 7,738,099 km (0.116 R)
• M18: 9,302,295 km (0.109 R)
• M19: 9,795,669 km (0.102 R)
• M20: 10,989,011 km (0.092 R)
• M21: 11,823,169 km (0.107 R)
• M22: 13,350,114 km (0.071 R)
• M23: 14,207,011 km (0.098 R)
• M24: 16,585,617 km (0.082 R)
• M25: 17,154,089 km (0.104 R)
• M26: 18,111,964 km (0.103 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 146.5

Radius: 11.6

Gravity: 1.09 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 4.79 AU - 5.85 AU

Year: 8183 Days

Day: 12.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 51,908,373 km

• M1: 144,811 km (0.09 R)
• M2: 613,501 km (0.096 R)
• M3: 1,056,610 km (0.084 R)
• M4: 4,136,082 km (0.056 R)
• M5: 4,689,145 km (0.08 R)
• M6: 6,086,539 km (0.111 R)
• M7: 8,769,726 km (0.085 R)
• M8: 23,041,064 km (0.108 R)
• M9: 23,754,945 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.2

Radius: 5.4

Gravity: 25.73 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 5.42 AU - 6.22 AU

Year: 9363 Days

Day: 16.5 Hours

Environment

Temp: -229 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,908,373 km

• M1: 67,319 km (0.077 R)
• M2: 351,854 km (0.099 R)
• M3: 626,815 km (0.12 R)
• M4: 936,034 km (0.086 R)
• M5: 1,206,956 km (0.028 R)
• M6: 1,501,215 km (0.072 R)
• M7: 3,250,612 km (0.044 R)
• M8: 3,491,166 km (0.11 R)
• M9: 4,663,265 km (0.083 R)
• M10: 6,005,008 km (0.118 R)
• M11: 6,330,832 km (0.109 R)
• M12: 6,783,515 km (0.111 R)
• M13: 8,674,582 km (0.056 R)
• M14: 9,472,238 km (0.1 R)
• M15: 9,864,035 km (0.1 R)
• M16: 16,683,454 km (0.044 R)
• M17: 17,327,024 km (0.078 R)
• M18: 20,067,657 km (0.098 R)
• M19: 25,068,714 km (0.099 R)
• M20: 29,788,227 km (0.102 R)
• M21: 30,101,336 km (0.085 R)
• M22: 33,467,736 km (0.03 R)
• M23: 34,720,170 km (0.098 R)
• M24: 42,368,361 km (0.034 R)
• M25: 46,441,761 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 925.2

Radius: 4

Gravity: 57.83 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 6.16 AU - 9.36 AU

Year: 14415 Days

Day: 17.7 Hours

Environment

Temp: -241 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 51,908,373 km

• M1: 49,816 km (0.12 R)
• M2: 268,827 km (0.071 R)
• M3: 582,235 km (0.036 R)
• M4: 711,936 km (0.066 R)
• M5: 937,829 km (0.072 R)
• M6: 1,278,763 km (0.112 R)
• M7: 1,470,248 km (0.092 R)
• M8: 1,646,923 km (0.075 R)
• M9: 2,082,103 km (0.118 R)
• M10: 3,612,639 km (0.069 R)
• M11: 4,638,432 km (0.035 R)
• M12: 5,236,225 km (0.062 R)
• M13: 7,290,652 km (0.032 R)
• M14: 8,194,672 km (0.082 R)
• M15: 9,224,654 km (0.12 R)
• M16: 12,365,461 km (0.064 R)
• M17: 12,562,032 km (0.118 R)
• M18: 14,210,003 km (0.097 R)
• M19: 15,688,927 km (0.054 R)
• M20: 16,151,933 km (0.115 R)
• M21: 20,828,661 km (0.111 R)
• M22: 25,903,320 km (0.051 R)
• M23: 26,225,105 km (0.09 R)
• M24: 26,986,409 km (0.079 R)
• M25: 32,857,676 km (0.118 R)
• M26: 36,624,700 km (0.045 R)
• M27: 38,542,096 km (0.119 R)
• M28: 39,667,222 km (0.089 R)
• M29: 41,249,818 km (0.08 R)
• M30: 43,929,415 km (0.115 R)
• M31: 45,156,865 km (0.071 R)
• M32: 46,722,856 km (0.068 R)
• M33: 49,303,269 km (0.113 R)
• M34: 49,797,541 km (0.06 R)
• M35: 51,131,505 km (0.119 R)
• M36: 51,468,699 km (0.082 R)
• M37: 57,248,113 km (0.113 R)
• M38: 62,671,335 km (0.025 R)
• M39: 66,004,376 km (0.1 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198

Radius: 6.3

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 8.36 AU - 11.56 AU

Year: 20961 Days

Day: 23.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,908,373 km

• M1: 78,389 km (0.102 R)
• M2: 375,640 km (0.102 R)
• M3: 593,455 km (0.1 R)
• M4: 1,076,057 km (0.109 R)
• M5: 1,548,936 km (0.052 R)
• M6: 2,115,463 km (0.058 R)
• M7: 2,358,261 km (0.101 R)
• M8: 2,944,834 km (0.077 R)
• M9: 4,170,489 km (0.077 R)
• M10: 5,323,291 km (0.066 R)
• M11: 5,954,893 km (0.055 R)
• M12: 8,607,861 km (0.119 R)
• M13: 9,626,473 km (0.118 R)
• M14: 11,051,244 km (0.104 R)
• M15: 11,273,696 km (0.058 R)
• M16: 11,900,660 km (0.111 R)
• M17: 12,490,824 km (0.1 R)
• M18: 13,665,317 km (0.095 R)
• M19: 15,047,152 km (0.057 R)
• M20: 17,031,119 km (0.099 R)
• M21: 17,477,818 km (0.12 R)
• M22: 18,865,039 km (0.071 R)
• M23: 19,504,570 km (0.087 R)
• M24: 20,158,313 km (0.049 R)
• M25: 22,562,052 km (0.032 R)
• M26: 28,239,590 km (0.096 R)
• M27: 37,111,791 km (0.112 R)
• M28: 50,064,723 km (0.069 R)
• M29: 51,753,084 km (0.117 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 543 - 15,411 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit