🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.5

Radius: 10.9

Gravity: 6.37 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 0.79 AU - 1.15 AU

Year: 627 Days

Day: 6.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,868,745 km

• M1: 135,536 km (0.059 R)
• M2: 594,801 km (0.091 R)
• M3: 1,056,011 km (0.074 R)
• M4: 1,836,613 km (0.084 R)
• M5: 2,681,093 km (0.101 R)
• M6: 3,038,632 km (0.09 R)
• M7: 3,794,999 km (0.062 R)
• M8: 4,402,067 km (0.049 R)
• M9: 4,853,105 km (0.119 R)
• M10: 5,442,071 km (0.114 R)
• M11: 5,905,226 km (0.108 R)
• M12: 7,409,882 km (0.102 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 140.1

Radius: 11.1

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.09 AU - 1.61 AU

Year: 1029 Days

Day: 12.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,868,745 km

• M1: 138,079 km (0.062 R)
• M2: 492,177 km (0.079 R)
• M3: 851,361 km (0.109 R)
• M4: 1,237,474 km (0.119 R)
• M5: 2,182,334 km (0.09 R)
• M6: 2,778,780 km (0.112 R)
• M7: 3,184,639 km (0.115 R)
• M8: 3,667,990 km (0.047 R)
• M9: 4,103,320 km (0.047 R)
• M10: 4,455,922 km (0.096 R)
• M11: 4,828,720 km (0.077 R)
• M12: 5,206,305 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 238.9

Radius: 9.6

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.21 AU - 1.57 AU

Year: 1075 Days

Day: 11.4 Hours

Environment

Temp: -171 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 52,868,745 km

• M1: 119,379 km (0.09 R)
• M2: 435,779 km (0.051 R)
• M3: 991,983 km (0.044 R)
• M4: 1,685,220 km (0.107 R)
• M5: 2,014,934 km (0.107 R)
• M6: 2,910,427 km (0.119 R)
• M7: 3,261,982 km (0.088 R)
• M8: 3,682,800 km (0.048 R)
• M9: 5,167,110 km (0.094 R)
• M10: 5,928,414 km (0.065 R)
• M11: 6,436,149 km (0.09 R)
• M12: 7,295,439 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 499.7

Radius: 14.9

Gravity: 2.25 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 2.16 AU - 2.26 AU

Year: 2155 Days

Day: 6.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 52,868,745 km

• M1: 185,352 km (0.1 R)
• M2: 761,453 km (0.11 R)
• M3: 1,361,789 km (0.05 R)
• M4: 2,377,709 km (0.082 R)
• M5: 2,891,128 km (0.075 R)
• M6: 3,397,368 km (0.115 R)
• M7: 4,017,451 km (0.101 R)
• M8: 5,241,760 km (0.115 R)
• M9: 5,977,333 km (0.118 R)
• M10: 6,676,703 km (0.062 R)
• M11: 7,827,858 km (0.114 R)
• M12: 10,207,811 km (0.099 R)
• M13: 10,700,736 km (0.085 R)
• M14: 11,810,602 km (0.117 R)
• M15: 12,393,735 km (0.061 R)
• M16: 12,873,944 km (0.097 R)
• M17: 13,914,696 km (0.094 R)
• M18: 14,921,041 km (0.057 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.72 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 720.1

Radius: 4.6

Gravity: 34.03 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 5.7 AU - 7.74 AU

Year: 11428 Days

Day: 21.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 43.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 52,868,745 km

• M1: 58,044 km (0.062 R)
• M2: 300,692 km (0.039 R)
• M3: 550,071 km (0.116 R)
• M4: 704,756 km (0.097 R)
• M5: 908,807 km (0.085 R)
• M6: 1,494,034 km (0.083 R)
• M7: 2,886,042 km (0.092 R)
• M8: 3,463,041 km (0.086 R)
• M9: 4,200,259 km (0.034 R)
• M10: 5,942,476 km (0.032 R)
• M11: 8,160,564 km (0.029 R)
• M12: 8,436,871 km (0.109 R)
• M13: 9,008,036 km (0.069 R)
• M14: 10,440,286 km (0.115 R)
• M15: 12,925,106 km (0.04 R)
• M16: 14,807,048 km (0.077 R)
• M17: 16,496,456 km (0.04 R)
• M18: 17,161,868 km (0.111 R)
• M19: 25,603,526 km (0.094 R)
• M20: 26,294,818 km (0.107 R)
• M21: 26,695,441 km (0.082 R)
• M22: 28,025,366 km (0.029 R)
• M23: 30,485,503 km (0.039 R)
• M24: 31,824,404 km (0.059 R)
• M25: 32,623,406 km (0.089 R)
• M26: 33,202,051 km (0.072 R)
• M27: 36,198,945 km (0.107 R)
• M28: 38,208,792 km (0.085 R)
• M29: 39,501,916 km (0.081 R)
• M30: 40,690,471 km (0.097 R)
• M31: 42,038,797 km (0.102 R)
• M32: 43,416,593 km (0.1 R)
• M33: 44,682,191 km (0.086 R)
• M34: 47,582,146 km (0.073 R)
• M35: 48,626,040 km (0.114 R)
• M36: 51,849,425 km (0.106 R)
• M37: 52,006,353 km (0.078 R)
• M38: 52,637,208 km (0.044 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 762.6

Radius: 6.2

Gravity: 19.84 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 5.83 AU - 8.97 AU

Year: 13206 Days

Day: 23 Hours

Environment

Temp: -218 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 52,868,745 km

• M1: 77,043 km (0.088 R)
• M2: 299,495 km (0.071 R)
• M3: 862,133 km (0.115 R)
• M4: 1,292,226 km (0.102 R)
• M5: 1,943,725 km (0.111 R)
• M6: 4,693,932 km (0.027 R)
• M7: 4,925,211 km (0.082 R)
• M8: 5,410,955 km (0.065 R)
• M9: 6,159,393 km (0.105 R)
• M10: 6,764,517 km (0.117 R)
• M11: 7,017,337 km (0.109 R)
• M12: 7,364,254 km (0.032 R)
• M13: 10,848,239 km (0.064 R)
• M14: 12,156,024 km (0.047 R)
• M15: 13,968,252 km (0.11 R)
• M16: 15,223,977 km (0.116 R)
• M17: 16,553,304 km (0.113 R)
• M18: 17,090,510 km (0.116 R)
• M19: 18,937,594 km (0.071 R)
• M20: 19,188,021 km (0.099 R)
• M21: 20,124,953 km (0.052 R)
• M22: 21,181,413 km (0.114 R)
• M23: 23,213,550 km (0.096 R)
• M24: 23,886,442 km (0.115 R)
• M25: 25,371,948 km (0.073 R)
• M26: 26,395,946 km (0.064 R)
• M27: 28,526,070 km (0.082 R)
• M28: 28,745,231 km (0.096 R)
• M29: 31,931,965 km (0.109 R)
• M30: 40,635,419 km (0.091 R)
• M31: 50,634,690 km (0.116 R)
• M32: 52,418,944 km (0.088 R)
• M33: 53,909,537 km (0.09 R)
• M34: 55,428,255 km (0.085 R)
• M35: 56,456,441 km (0.091 R)
• M36: 58,374,436 km (0.104 R)
• M37: 58,904,910 km (0.107 R)

Planet 7 - Ice Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396

Radius: 3.8

Gravity: 27.42 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 6.63 AU - 9.65 AU

Year: 15235 Days

Day: 21.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 9.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 52,868,745 km

• M1: 47,273 km (0.107 R)
• M2: 243,994 km (0.059 R)
• M3: 602,131 km (0.102 R)
• M4: 741,557 km (0.093 R)
• M5: 1,194,389 km (0.064 R)
• M6: 1,322,296 km (0.073 R)
• M7: 1,713,943 km (0.106 R)
• M8: 2,701,139 km (0.111 R)
• M9: 3,768,221 km (0.104 R)
• M10: 4,516,210 km (0.088 R)
• M11: 7,517,293 km (0.109 R)
• M12: 7,778,341 km (0.108 R)
• M13: 8,980,061 km (0.086 R)
• M14: 9,880,939 km (0.082 R)
• M15: 11,342,959 km (0.086 R)
• M16: 12,214,517 km (0.063 R)
• M17: 12,758,305 km (0.051 R)
• M18: 13,894,052 km (0.088 R)
• M19: 15,792,150 km (0.087 R)
• M20: 16,437,216 km (0.097 R)
• M21: 16,656,077 km (0.032 R)
• M22: 17,174,284 km (0.12 R)
• M23: 17,856,151 km (0.096 R)
• M24: 18,713,946 km (0.082 R)
• M25: 19,354,823 km (0.099 R)
• M26: 21,106,614 km (0.063 R)
• M27: 26,388,167 km (0.119 R)
• M28: 30,909,613 km (0.09 R)
• M29: 33,410,889 km (0.089 R)
• M30: 34,830,423 km (0.079 R)
• M31: 36,660,753 km (0.094 R)
• M32: 40,246,914 km (0.116 R)
• M33: 43,919,990 km (0.079 R)
• M34: 46,053,854 km (0.102 R)
• M35: 46,634,443 km (0.111 R)
• M36: 48,107,085 km (0.091 R)
• M37: 48,554,831 km (0.112 R)
• M38: 51,144,670 km (0.111 R)
• M39: 51,767,296 km (0.04 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: 442 - 20,395 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit