🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.8

Radius: 12.3

Gravity: 0.71 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 0.46 AU - 0.7 AU

Year: 305 Days

Day: 5.4 Hours

Environment

Temp: -149 °C

Axial Tilt: 24.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 62,942,489 km

• M1: 153,039 km (0.083 R)
• M2: 542,143 km (0.04 R)
• M3: 1,042,996 km (0.039 R)
• M4: 1,574,817 km (0.096 R)
• M5: 1,994,439 km (0.082 R)
• M6: 2,440,689 km (0.067 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.4

Radius: 13

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.77 AU - 1.11 AU

Year: 629 Days

Day: 13.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,942,489 km

• M1: 161,715 km (0.085 R)
• M2: 712,684 km (0.063 R)
• M3: 1,421,629 km (0.067 R)
• M4: 1,929,813 km (0.081 R)
• M5: 2,643,993 km (0.1 R)
• M6: 3,502,236 km (0.092 R)
• M7: 3,925,598 km (0.116 R)
• M8: 4,444,852 km (0.1 R)
• M9: 5,266,593 km (0.12 R)
• M10: 6,284,756 km (0.105 R)
• M11: 6,706,772 km (0.093 R)
• M12: 7,496,499 km (0.103 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 263

Radius: 11.3

Gravity: 2.06 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.07 AU - 1.23 AU

Year: 851 Days

Day: 12.8 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 62,942,489 km

• M1: 140,472 km (0.104 R)
• M2: 562,937 km (0.072 R)
• M3: 1,197,381 km (0.064 R)
• M4: 1,668,465 km (0.058 R)
• M5: 2,125,935 km (0.097 R)
• M6: 2,483,175 km (0.106 R)
• M7: 2,858,965 km (0.053 R)
• M8: 3,297,287 km (0.068 R)
• M9: 4,487,338 km (0.108 R)
• M10: 5,017,064 km (0.074 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 641.9

Radius: 13.6

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.25 AU - 1.55 AU

Year: 1143 Days

Day: 8.7 Hours

Environment

Temp: -193 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 62,942,489 km

• M1: 169,195 km (0.093 R)
• M2: 643,720 km (0.091 R)
• M3: 1,335,311 km (0.058 R)
• M4: 1,882,540 km (0.11 R)
• M5: 2,325,200 km (0.119 R)
• M6: 2,902,797 km (0.073 R)
• M7: 3,412,477 km (0.053 R)
• M8: 4,264,287 km (0.119 R)
• M9: 5,097,996 km (0.085 R)
• M10: 5,595,110 km (0.087 R)
• M11: 6,618,210 km (0.077 R)
• M12: 7,235,750 km (0.087 R)
• M13: 7,969,827 km (0.088 R)
• M14: 8,921,269 km (0.12 R)
• M15: 9,380,684 km (0.043 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 44.2

Radius: 14.9

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.42 AU - 2.24 AU

Year: 1709 Days

Day: 7.7 Hours

Environment

Temp: -206 °C

Axial Tilt: 64.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,942,489 km

• M1: 238,459 km (0.059 R)
• M2: 977,772 km (0.051 R)
• M3: 1,474,287 km (0.119 R)
• M4: 2,762,923 km (0.084 R)
• M5: 3,732,168 km (0.098 R)
• M6: 4,310,513 km (0.025 R)
• M7: 5,195,983 km (0.115 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.9

Radius: 15

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 2.56 AU - 4.06 AU

Year: 4157 Days

Day: 11.8 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 62,942,489 km

• M1: 186,549 km (0.076 R)
• M2: 807,380 km (0.117 R)
• M3: 1,362,089 km (0.052 R)
• M4: 2,695,754 km (0.1 R)
• M5: 3,334,088 km (0.044 R)
• M6: 4,052,158 km (0.053 R)
• M7: 4,690,492 km (0.089 R)
• M8: 5,773,879 km (0.111 R)
• M9: 6,814,033 km (0.071 R)
• M10: 7,471,366 km (0.086 R)
• M11: 8,604,271 km (0.047 R)
• M12: 9,590,869 km (0.092 R)
• M13: 10,149,767 km (0.086 R)
• M14: 10,691,012 km (0.051 R)
• M15: 11,210,864 km (0.118 R)
• M16: 11,705,585 km (0.066 R)
• M17: 14,988,061 km (0.096 R)
• M18: 15,589,445 km (0.057 R)
• M19: 16,733,719 km (0.105 R)
• M20: 17,655,840 km (0.092 R)
• M21: 18,957,042 km (0.113 R)
• M22: 19,660,900 km (0.03 R)
• M23: 20,139,763 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 574.5

Radius: 11.4

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 4.54 AU - 5.86 AU

Year: 8185 Days

Day: 5.8 Hours

Environment

Temp: -223 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 62,942,489 km

• M1: 142,268 km (0.118 R)
• M2: 501,602 km (0.049 R)
• M3: 1,570,927 km (0.092 R)
• M4: 2,203,577 km (0.111 R)
• M5: 3,124,651 km (0.044 R)
• M6: 3,521,833 km (0.09 R)
• M7: 3,952,974 km (0.053 R)
• M8: 4,500,353 km (0.109 R)
• M9: 5,462,417 km (0.063 R)
• M10: 5,910,163 km (0.091 R)
• M11: 6,278,922 km (0.049 R)
• M12: 6,770,650 km (0.096 R)
• M13: 7,991,518 km (0.031 R)
• M14: 8,527,527 km (0.098 R)
• M15: 9,534,471 km (0.069 R)
• M16: 10,521,667 km (0.068 R)
• M17: 11,216,699 km (0.098 R)
• M18: 13,032,518 km (0.052 R)
• M19: 14,247,402 km (0.12 R)
• M20: 17,306,080 km (0.073 R)
• M21: 18,629,423 km (0.093 R)
• M22: 19,061,013 km (0.091 R)
• M23: 20,094,136 km (0.115 R)
• M24: 23,417,602 km (0.094 R)
• M25: 24,089,745 km (0.064 R)
• M26: 26,544,048 km (0.063 R)
• M27: 30,432,096 km (0.09 R)
• M28: 31,131,915 km (0.114 R)
• M29: 33,931,789 km (0.074 R)
• M30: 35,999,980 km (0.096 R)
• M31: 38,151,047 km (0.068 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.74 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 899.5

Radius: 4.6

Gravity: 42.51 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 7.2 AU - 8.28 AU

Year: 14864 Days

Day: 17.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,942,489 km

• M1: 108,608 km (0.106 R)
• M2: 518,357 km (0.051 R)
• M3: 877,541 km (0.09 R)
• M4: 1,111,662 km (0.1 R)
• M5: 2,648,182 km (0.098 R)
• M6: 3,545,170 km (0.089 R)
• M7: 4,868,962 km (0.084 R)
• M8: 7,285,566 km (0.114 R)
• M9: 9,551,076 km (0.073 R)
• M10: 9,997,775 km (0.05 R)
• M11: 10,634,613 km (0.079 R)
• M12: 12,508,177 km (0.11 R)
• M13: 13,315,557 km (0.115 R)
• M14: 15,868,295 km (0.048 R)
• M15: 16,023,278 km (0.097 R)
• M16: 16,336,237 km (0.082 R)
• M17: 19,784,169 km (0.106 R)
• M18: 21,251,574 km (0.085 R)
• M19: 22,204,812 km (0.103 R)
• M20: 23,889,882 km (0.084 R)
• M21: 29,220,802 km (0.113 R)
• M22: 36,089,290 km (0.077 R)
• M23: 39,113,410 km (0.107 R)
• M24: 40,686,881 km (0.102 R)
• M25: 48,699,044 km (0.051 R)
• M26: 50,518,752 km (0.058 R)
• M27: 52,383,340 km (0.103 R)
• M28: 53,593,437 km (0.109 R)
• M29: 56,249,099 km (0.089 R)
• M30: 57,883,904 km (0.071 R)
• M31: 59,737,272 km (0.1 R)
• M32: 62,784,132 km (0.094 R)
• M33: 65,533,741 km (0.111 R)
• M34: 67,140,422 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.33 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 627.1

Radius: 4.5

Gravity: 30.97 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 7.07 AU - 9.59 AU

Year: 16595 Days

Day: 24.7 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 62,942,489 km

• M1: 55,950 km (0.105 R)
• M2: 318,045 km (0.108 R)
• M3: 721,959 km (0.066 R)
• M4: 934,687 km (0.086 R)
• M5: 1,162,375 km (0.064 R)
• M6: 1,905,278 km (0.103 R)
• M7: 2,293,485 km (0.049 R)
• M8: 2,572,934 km (0.099 R)
• M9: 2,779,379 km (0.119 R)
• M10: 3,833,894 km (0.066 R)
• M11: 5,202,266 km (0.084 R)
• M12: 5,956,239 km (0.075 R)
• M13: 8,301,934 km (0.033 R)
• M14: 8,959,267 km (0.071 R)
• M15: 9,168,255 km (0.036 R)
• M16: 14,633,813 km (0.099 R)
• M17: 17,546,633 km (0.073 R)
• M18: 18,625,683 km (0.085 R)
• M19: 18,795,626 km (0.12 R)
• M20: 20,732,619 km (0.099 R)
• M21: 24,690,381 km (0.095 R)
• M22: 26,469,398 km (0.097 R)
• M23: 29,929,896 km (0.08 R)
• M24: 30,869,521 km (0.103 R)
• M25: 33,429,290 km (0.1 R)
• M26: 37,057,487 km (0.082 R)
• M27: 38,551,820 km (0.099 R)
• M28: 39,383,734 km (0.061 R)
• M29: 40,653,670 km (0.065 R)
• M30: 42,536,060 km (0.03 R)
• M31: 44,475,746 km (0.111 R)
• M32: 44,779,280 km (0.067 R)
• M33: 48,691,115 km (0.12 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 366.8

Radius: 4.9

Gravity: 15.28 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 7.88 AU - 11.34 AU

Year: 20563 Days

Day: 19.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 62,942,489 km

• M1: 60,886 km (0.109 R)
• M2: 286,181 km (0.111 R)
• M3: 626,815 km (0.083 R)
• M4: 806,183 km (0.078 R)
• M5: 2,510,701 km (0.098 R)
• M6: 3,848,704 km (0.098 R)
• M7: 4,686,452 km (0.114 R)
• M8: 6,547,899 km (0.034 R)
• M9: 6,842,756 km (0.07 R)
• M10: 15,120,006 km (0.094 R)
• M11: 19,228,562 km (0.082 R)
• M12: 20,628,350 km (0.11 R)
• M13: 21,353,151 km (0.093 R)
• M14: 28,323,365 km (0.066 R)
• M15: 30,479,070 km (0.1 R)
• M16: 37,464,393 km (0.109 R)
• M17: 57,097,019 km (0.116 R)
• M18: 57,807,011 km (0.102 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 554 - 15,234 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit