🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 899.2

Radius: 14.9

Gravity: 4.05 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 0.59 AU - 0.65 AU

Year: 337 Days

Day: 7.6 Hours

Environment

Temp: -149 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,370,826 km

• M1: 185,501 km (0.048 R)
• M2: 766,689 km (0.044 R)
• M3: 1,403,826 km (0.094 R)
• M4: 1,992,045 km (0.095 R)
• M5: 2,563,060 km (0.1 R)
• M6: 3,221,141 km (0.058 R)
• M7: 4,224,644 km (0.113 R)
• M8: 4,880,331 km (0.027 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 318.9

Radius: 11.1

Gravity: 2.59 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.6 AU - 0.68 AU

Year: 353 Days

Day: 8.2 Hours

Environment

Temp: -159 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 48,370,826 km

• M1: 138,079 km (0.085 R)
• M2: 589,715 km (0.082 R)
• M3: 1,032,225 km (0.088 R)
• M4: 1,538,165 km (0.048 R)
• M5: 1,992,344 km (0.118 R)
• M6: 3,674,423 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.9

Radius: 10.8

Gravity: 3.5 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.7 AU - 0.96 AU

Year: 522 Days

Day: 14.1 Hours

Environment

Temp: -177 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 48,370,826 km

• M1: 134,937 km (0.117 R)
• M2: 574,456 km (0.029 R)
• M3: 1,136,495 km (0.075 R)
• M4: 1,602,792 km (0.039 R)
• M5: 2,118,755 km (0.098 R)
• M6: 2,614,971 km (0.11 R)
• M7: 3,255,250 km (0.067 R)
• M8: 3,754,607 km (0.073 R)
• M9: 4,401,469 km (0.08 R)
• M10: 4,922,817 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 958.9

Radius: 12.8

Gravity: 5.85 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.89 AU - 0.97 AU

Year: 619 Days

Day: 7.5 Hours

Environment

Temp: -180 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,370,826 km

• M1: 159,172 km (0.107 R)
• M2: 643,720 km (0.084 R)
• M3: 1,115,851 km (0.096 R)
• M4: 1,558,810 km (0.065 R)
• M5: 2,515,039 km (0.112 R)
• M6: 3,441,200 km (0.082 R)
• M7: 4,141,318 km (0.046 R)
• M8: 4,849,065 km (0.114 R)
• M9: 5,304,292 km (0.08 R)
• M10: 6,301,362 km (0.065 R)
• M11: 7,172,470 km (0.07 R)
• M12: 7,788,963 km (0.073 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 688.4

Radius: 14.6

Gravity: 3.23 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 2.29 AU - 2.31 AU

Year: 2408 Days

Day: 11.1 Hours

Environment

Temp: -196 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,370,826 km

• M1: 182,360 km (0.099 R)
• M2: 970,441 km (0.073 R)
• M3: 1,554,621 km (0.049 R)
• M4: 2,242,023 km (0.079 R)
• M5: 3,259,588 km (0.115 R)
• M6: 3,716,161 km (0.11 R)
• M7: 4,317,095 km (0.054 R)
• M8: 5,375,949 km (0.086 R)
• M9: 6,278,922 km (0.109 R)
• M10: 7,251,607 km (0.118 R)
• M11: 8,746,539 km (0.059 R)
• M12: 9,496,922 km (0.108 R)
• M13: 10,289,790 km (0.077 R)
• M14: 14,323,398 km (0.065 R)
• M15: 16,409,989 km (0.115 R)
• M16: 17,288,428 km (0.069 R)
• M17: 17,981,215 km (0.103 R)
• M18: 18,471,597 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 461.1

Radius: 10.5

Gravity: 4.18 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 2.67 AU - 4.39 AU

Year: 4578 Days

Day: 12.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 0.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,370,826 km

• M1: 131,197 km (0.067 R)
• M2: 477,965 km (0.065 R)
• M3: 3,384,652 km (0.096 R)
• M4: 3,805,171 km (0.068 R)
• M5: 4,824,980 km (0.064 R)
• M6: 5,228,446 km (0.119 R)
• M7: 5,792,430 km (0.082 R)
• M8: 7,105,899 km (0.05 R)
• M9: 8,284,880 km (0.046 R)
• M10: 10,728,561 km (0.113 R)
• M11: 11,819,578 km (0.098 R)
• M12: 13,370,908 km (0.09 R)
• M13: 18,590,228 km (0.074 R)
• M14: 20,616,083 km (0.094 R)
• M15: 21,886,318 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 597.5

Radius: 11.6

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 3.77 AU - 4.29 AU

Year: 5584 Days

Day: 15 Hours

Environment

Temp: -212 °C

Axial Tilt: 10.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 48,370,826 km

• M1: 144,811 km (0.09 R)
• M2: 535,261 km (0.113 R)
• M3: 898,186 km (0.045 R)
• M4: 1,370,017 km (0.112 R)
• M5: 2,567,847 km (0.064 R)
• M6: 3,212,465 km (0.072 R)
• M7: 4,196,819 km (0.083 R)
• M8: 5,573,119 km (0.115 R)
• M9: 6,082,649 km (0.111 R)
• M10: 8,951,039 km (0.094 R)
• M11: 10,792,888 km (0.085 R)
• M12: 14,147,321 km (0.057 R)
• M13: 14,814,079 km (0.099 R)
• M14: 17,002,247 km (0.087 R)
• M15: 20,220,995 km (0.09 R)
• M16: 20,853,494 km (0.119 R)
• M17: 25,493,572 km (0.079 R)
• M18: 28,620,167 km (0.086 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 690.4

Radius: 3.6

Gravity: 53.27 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 9.24 AU - 10.22 AU

Year: 20950 Days

Day: 19.1 Hours

Environment

Temp: -243 °C

Axial Tilt: 18.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,370,826 km

• M1: 45,029 km (0.065 R)
• M2: 180,714 km (0.117 R)
• M3: 299,645 km (0.075 R)
• M4: 518,805 km (0.118 R)
• M5: 712,385 km (0.095 R)
• M6: 1,348,774 km (0.085 R)
• M7: 1,524,851 km (0.112 R)
• M8: 1,734,288 km (0.113 R)
• M9: 1,903,783 km (0.087 R)
• M10: 2,549,896 km (0.077 R)
• M11: 2,694,856 km (0.09 R)
• M12: 2,845,202 km (0.115 R)
• M13: 3,054,489 km (0.057 R)
• M14: 3,562,972 km (0.108 R)
• M15: 3,900,316 km (0.07 R)
• M16: 4,225,093 km (0.058 R)
• M17: 4,359,880 km (0.112 R)
• M18: 4,891,402 km (0.088 R)
• M19: 6,698,095 km (0.062 R)
• M20: 7,649,388 km (0.101 R)
• M21: 8,960,912 km (0.1 R)
• M22: 15,151,572 km (0.096 R)
• M23: 15,708,076 km (0.073 R)
• M24: 23,802,816 km (0.102 R)
• M25: 24,015,844 km (0.107 R)
• M26: 29,274,807 km (0.053 R)
• M27: 32,561,921 km (0.051 R)
• M28: 33,088,506 km (0.116 R)
• M29: 43,404,326 km (0.099 R)
• M30: 46,654,938 km (0.115 R)
• M31: 55,296,908 km (0.089 R)
• M32: 61,480,686 km (0.105 R)
• M33: 67,681,817 km (0.039 R)
• M34: 75,427,845 km (0.115 R)
• M35: 77,044,848 km (0.094 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.28 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 136

Radius: 4.1

Gravity: 8.09 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 7.77 AU - 12.79 AU

Year: 22751 Days

Day: 21.9 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,370,826 km

• M1: 51,013 km (0.098 R)
• M2: 280,047 km (0.102 R)
• M3: 686,056 km (0.059 R)
• M4: 861,684 km (0.04 R)
• M5: 1,421,928 km (0.112 R)
• M6: 1,867,580 km (0.069 R)
• M7: 4,195,173 km (0.097 R)
• M8: 4,662,816 km (0.11 R)
• M9: 4,909,353 km (0.078 R)
• M10: 5,461,818 km (0.097 R)
• M11: 5,982,868 km (0.116 R)
• M12: 6,237,034 km (0.087 R)
• M13: 6,650,972 km (0.09 R)
• M14: 6,805,955 km (0.031 R)
• M15: 7,617,374 km (0.084 R)
• M16: 7,916,121 km (0.102 R)
• M17: 9,527,589 km (0.107 R)
• M18: 9,724,759 km (0.118 R)
• M19: 10,592,726 km (0.118 R)
• M20: 15,855,579 km (0.073 R)
• M21: 19,237,089 km (0.065 R)
• M22: 25,070,060 km (0.072 R)
• M23: 30,571,222 km (0.091 R)
• M24: 31,760,226 km (0.094 R)
• M25: 32,200,044 km (0.105 R)
• M26: 34,345,128 km (0.111 R)
• M27: 37,310,158 km (0.07 R)
• M28: 37,799,941 km (0.091 R)
• M29: 41,741,396 km (0.067 R)
• M30: 41,872,893 km (0.118 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 246 - 13,231 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit