🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 465

Radius: 14.3

Gravity: 2.27 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 0.45 AU - 0.57 AU

Year: 251 Days

Day: 10.2 Hours

Environment

Temp: -146 °C

Axial Tilt: 45.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,896,552 km

• M1: 177,872 km (0.116 R)
• M2: 631,153 km (0.112 R)
• M3: 1,321,847 km (0.076 R)
• M4: 1,821,653 km (0.109 R)
• M5: 2,348,986 km (0.111 R)
• M6: 3,087,850 km (0.056 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.5

Radius: 12.9

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.67 AU - 1.01 AU

Year: 531 Days

Day: 8.8 Hours

Environment

Temp: -160 °C

Axial Tilt: 38.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 55,896,552 km

• M1: 162,463 km (0.103 R)
• M2: 600,935 km (0.064 R)
• M3: 1,206,507 km (0.085 R)
• M4: 1,626,877 km (0.117 R)
• M5: 2,554,384 km (0.11 R)
• M6: 3,131,981 km (0.05 R)
• M7: 4,076,243 km (0.077 R)
• M8: 5,405,569 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 162.5

Radius: 12.6

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.94 AU - 1.04 AU

Year: 680 Days

Day: 5.6 Hours

Environment

Temp: -181 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 55,896,552 km

• M1: 156,779 km (0.095 R)
• M2: 625,618 km (0.055 R)
• M3: 1,043,146 km (0.091 R)
• M4: 1,471,145 km (0.076 R)
• M5: 1,995,785 km (0.112 R)
• M6: 3,034,294 km (0.091 R)
• M7: 3,588,105 km (0.052 R)
• M8: 3,981,847 km (0.101 R)
• M9: 4,457,867 km (0.05 R)
• M10: 4,900,078 km (0.089 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 508.7

Radius: 14.6

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.41 AU - 1.59 AU

Year: 1268 Days

Day: 13.3 Hours

Environment

Temp: -187 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,896,552 km

• M1: 181,761 km (0.095 R)
• M2: 749,785 km (0.066 R)
• M3: 1,285,943 km (0.103 R)
• M4: 1,935,348 km (0.096 R)
• M5: 2,700,092 km (0.077 R)
• M6: 3,195,560 km (0.071 R)
• M7: 4,874,048 km (0.051 R)
• M8: 6,014,283 km (0.088 R)
• M9: 6,845,299 km (0.06 R)
• M10: 9,477,923 km (0.045 R)
• M11: 10,168,018 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 885.2

Radius: 9.1

Gravity: 10.69 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.74 AU - 2.28 AU

Year: 1967 Days

Day: 12.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 30 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,896,552 km

• M1: 113,096 km (0.062 R)
• M2: 474,076 km (0.105 R)
• M3: 772,823 km (0.052 R)
• M4: 1,060,799 km (0.098 R)
• M5: 1,508,096 km (0.097 R)
• M6: 1,958,087 km (0.071 R)
• M7: 2,695,754 km (0.036 R)
• M8: 4,115,288 km (0.099 R)
• M9: 4,976,224 km (0.038 R)
• M10: 5,366,524 km (0.078 R)
• M11: 6,054,226 km (0.089 R)
• M12: 6,446,023 km (0.062 R)
• M13: 7,194,162 km (0.119 R)
• M14: 9,265,943 km (0.079 R)
• M15: 12,192,526 km (0.032 R)
• M16: 13,509,885 km (0.032 R)
• M17: 15,156,059 km (0.107 R)
• M18: 15,636,119 km (0.063 R)
• M19: 16,931,936 km (0.097 R)
• M20: 17,553,515 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 203.9

Radius: 12.8

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 2.3 AU - 2.7 AU

Year: 2728 Days

Day: 9.2 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 55,896,552 km

• M1: 159,172 km (0.104 R)
• M2: 1,576,014 km (0.102 R)
• M3: 2,117,558 km (0.047 R)
• M4: 2,947,527 km (0.109 R)
• M5: 4,036,450 km (0.085 R)
• M6: 4,491,826 km (0.092 R)
• M7: 5,682,625 km (0.081 R)
• M8: 6,894,667 km (0.115 R)
• M9: 7,684,244 km (0.114 R)
• M10: 9,922,827 km (0.111 R)
• M11: 12,301,583 km (0.033 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 12.6

Radius: 9.4

Gravity: 0.14 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 3.1 AU - 3.48 AU

Year: 4119 Days

Day: 7 Hours

Environment

Temp: -209 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 55,896,552 km

• M1: 130,001 km (0.085 R)
• M2: 449,093 km (0.058 R)
• M3: 827,426 km (0.084 R)
• M4: 1,159,832 km (0.062 R)
• M5: 1,567,786 km (0.044 R)
• M6: 2,061,309 km (0.119 R)
• M7: 2,469,412 km (0.107 R)
• M8: 2,840,714 km (0.042 R)
• M9: 3,372,983 km (0.107 R)
• M10: 3,956,564 km (0.045 R)
• M11: 4,668,202 km (0.118 R)
• M12: 5,985,261 km (0.1 R)
• M13: 6,739,683 km (0.039 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.4

Radius: 11

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.143

Orbit Range: 3.58 AU - 4.78 AU

Year: 5899 Days

Day: 11.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,896,552 km

• M1: 137,929 km (0.079 R)
• M2: 560,094 km (0.087 R)
• M3: 1,441,675 km (0.09 R)
• M4: 2,252,794 km (0.111 R)
• M5: 2,620,207 km (0.032 R)
• M6: 4,147,751 km (0.118 R)
• M7: 5,493,832 km (0.112 R)
• M8: 7,715,660 km (0.105 R)
• M9: 8,312,705 km (0.059 R)
• M10: 8,685,652 km (0.098 R)
• M11: 10,866,640 km (0.12 R)
• M12: 11,312,890 km (0.076 R)
• M13: 12,509,374 km (0.086 R)
• M14: 12,944,853 km (0.114 R)
• M15: 15,213,954 km (0.064 R)
• M16: 19,784,019 km (0.112 R)
• M17: 20,675,922 km (0.103 R)
• M18: 23,430,168 km (0.052 R)
• M19: 25,281,591 km (0.099 R)
• M20: 26,688,111 km (0.12 R)
• M21: 27,776,585 km (0.076 R)
• M22: 28,145,942 km (0.118 R)
• M23: 29,273,611 km (0.109 R)
• M24: 30,333,661 km (0.089 R)
• M25: 36,020,774 km (0.083 R)
• M26: 36,460,143 km (0.084 R)
• M27: 37,349,652 km (0.07 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 830.2

Radius: 3.9

Gravity: 54.58 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 6 AU - 7 AU

Year: 11439 Days

Day: 24.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 3.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 55,896,552 km

• M1: 48,470 km (0.096 R)
• M2: 218,712 km (0.045 R)
• M3: 558,299 km (0.106 R)
• M4: 1,197,381 km (0.093 R)
• M5: 1,571,526 km (0.114 R)
• M6: 2,900,404 km (0.105 R)
• M7: 3,542,926 km (0.032 R)
• M8: 3,841,524 km (0.107 R)
• M9: 5,003,151 km (0.073 R)
• M10: 6,618,958 km (0.103 R)
• M11: 9,189,049 km (0.091 R)
• M12: 10,610,379 km (0.078 R)
• M13: 10,832,831 km (0.073 R)
• M14: 11,753,456 km (0.113 R)
• M15: 12,172,031 km (0.1 R)
• M16: 13,166,408 km (0.05 R)
• M17: 13,423,118 km (0.066 R)
• M18: 13,814,615 km (0.056 R)
• M19: 18,077,855 km (0.07 R)
• M20: 19,369,035 km (0.093 R)
• M21: 21,067,868 km (0.098 R)
• M22: 23,515,289 km (0.114 R)
• M23: 25,445,700 km (0.116 R)
• M24: 26,145,669 km (0.098 R)
• M25: 27,479,334 km (0.038 R)
• M26: 27,793,489 km (0.097 R)
• M27: 33,744,492 km (0.066 R)
• M28: 40,086,993 km (0.116 R)
• M29: 46,731,682 km (0.059 R)
• M30: 53,746,625 km (0.073 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 405 - 16,950 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit