🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.38 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.8

Radius: 14.2

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 0.73 AU - 0.79 AU

Year: 428 Days

Day: 6.4 Hours

Environment

Temp: -139 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,164,379 km

• M1: 176,825 km (0.104 R)
• M2: 696,228 km (0.027 R)
• M3: 1,303,596 km (0.089 R)
• M4: 1,777,372 km (0.108 R)
• M5: 2,711,461 km (0.111 R)
• M6: 3,776,299 km (0.031 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 506.1

Radius: 9.9

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.03 AU - 1.61 AU

Year: 979 Days

Day: 6.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 45.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 60,164,379 km

• M1: 123,269 km (0.107 R)
• M2: 489,634 km (0.12 R)
• M3: 902,075 km (0.095 R)
• M4: 1,744,012 km (0.041 R)
• M5: 4,483,299 km (0.065 R)
• M6: 4,861,183 km (0.088 R)
• M7: 5,354,108 km (0.064 R)
• M8: 5,840,002 km (0.093 R)
• M9: 6,744,470 km (0.069 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 171.3

Radius: 8

Gravity: 2.68 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.4 AU - 1.68 AU

Year: 1234 Days

Day: 9 Hours

Environment

Temp: -178 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,164,379 km

• M1: 99,483 km (0.087 R)
• M2: 379,679 km (0.109 R)
• M3: 984,504 km (0.104 R)
• M4: 1,281,904 km (0.086 R)
• M5: 1,540,409 km (0.112 R)
• M6: 2,251,897 km (0.066 R)
• M7: 2,589,539 km (0.1 R)
• M8: 2,856,123 km (0.08 R)
• M9: 3,141,106 km (0.087 R)
• M10: 3,471,119 km (0.048 R)
• M11: 4,307,072 km (0.104 R)
• M12: 4,634,991 km (0.12 R)
• M13: 5,270,931 km (0.091 R)
• M14: 6,040,014 km (0.118 R)
• M15: 6,391,719 km (0.116 R)
• M16: 7,136,118 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 112.9

Radius: 14.5

Gravity: 0.54 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 1.56 AU - 1.6 AU

Year: 1282 Days

Day: 12 Hours

Environment

Temp: -188 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 60,164,379 km

• M1: 180,565 km (0.107 R)
• M2: 872,904 km (0.101 R)
• M3: 2,429,918 km (0.111 R)
• M4: 3,472,316 km (0.091 R)
• M5: 6,682,986 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 975.2

Radius: 9.1

Gravity: 11.78 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.23 AU - 2.65 AU

Year: 2461 Days

Day: 13 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 60,164,379 km

• M1: 113,395 km (0.046 R)
• M2: 734,526 km (0.096 R)
• M3: 1,259,764 km (0.082 R)
• M4: 2,019,721 km (0.032 R)
• M5: 2,746,019 km (0.09 R)
• M6: 3,178,356 km (0.071 R)
• M7: 4,329,961 km (0.067 R)
• M8: 6,004,859 km (0.063 R)
• M9: 6,363,295 km (0.066 R)
• M10: 8,648,103 km (0.082 R)
• M11: 9,468,947 km (0.059 R)
• M12: 10,856,766 km (0.033 R)
• M13: 12,956,971 km (0.107 R)
• M14: 13,697,779 km (0.094 R)
• M15: 14,663,134 km (0.071 R)
• M16: 15,061,813 km (0.105 R)
• M17: 17,329,567 km (0.075 R)
• M18: 17,944,414 km (0.056 R)
• M19: 19,099,459 km (0.087 R)
• M20: 21,049,468 km (0.035 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 236.7

Radius: 12.7

Gravity: 1.47 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 2.45 AU - 3.33 AU

Year: 3172 Days

Day: 8.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 60,164,379 km

• M1: 158,275 km (0.051 R)
• M2: 576,101 km (0.11 R)
• M3: 1,098,048 km (0.094 R)
• M4: 1,578,706 km (0.105 R)
• M5: 2,373,520 km (0.106 R)
• M6: 2,892,325 km (0.028 R)
• M7: 3,519,888 km (0.065 R)
• M8: 4,217,762 km (0.062 R)
• M9: 5,289,930 km (0.119 R)
• M10: 6,157,897 km (0.109 R)
• M11: 7,091,537 km (0.068 R)
• M12: 7,649,687 km (0.035 R)
• M13: 8,449,587 km (0.058 R)
• M14: 10,391,517 km (0.109 R)
• M15: 11,867,150 km (0.075 R)
• M16: 12,980,308 km (0.119 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 492.5

Radius: 10.3

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 4.86 AU - 5.1 AU

Year: 7176 Days

Day: 7.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 60,164,379 km

• M1: 130,449 km (0.078 R)
• M2: 602,131 km (0.115 R)
• M3: 1,110,615 km (0.1 R)
• M4: 1,727,855 km (0.119 R)
• M5: 2,422,887 km (0.118 R)
• M6: 3,170,128 km (0.042 R)
• M7: 4,544,185 km (0.062 R)
• M8: 8,702,108 km (0.098 R)
• M9: 13,303,439 km (0.075 R)
• M10: 18,554,026 km (0.093 R)
• M11: 20,524,229 km (0.047 R)
• M12: 21,111,850 km (0.077 R)
• M13: 22,474,986 km (0.118 R)
• M14: 25,882,376 km (0.111 R)
• M15: 27,266,456 km (0.067 R)
• M16: 32,499,838 km (0.102 R)
• M17: 33,905,609 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 719.9

Radius: 3.7

Gravity: 52.59 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.4 AU - 6.46 AU

Year: 10528 Days

Day: 22.5 Hours

Environment

Temp: -226 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 60,164,379 km

• M1: 76,893 km (0.087 R)
• M2: 425,456 km (0.076 R)
• M3: 1,188,106 km (0.11 R)
• M4: 1,744,012 km (0.075 R)
• M5: 2,660,897 km (0.031 R)
• M6: 3,647,346 km (0.103 R)
• M7: 4,222,250 km (0.098 R)
• M8: 5,974,041 km (0.077 R)
• M9: 6,496,736 km (0.102 R)
• M10: 7,589,998 km (0.077 R)
• M11: 8,706,446 km (0.106 R)
• M12: 11,709,325 km (0.063 R)
• M13: 13,441,219 km (0.067 R)
• M14: 13,819,851 km (0.114 R)
• M15: 14,011,636 km (0.108 R)
• M16: 14,532,087 km (0.067 R)
• M17: 23,773,794 km (0.102 R)
• M18: 27,423,234 km (0.112 R)
• M19: 28,648,890 km (0.095 R)
• M20: 32,884,006 km (0.084 R)
• M21: 35,807,298 km (0.08 R)
• M22: 35,927,724 km (0.105 R)
• M23: 46,032,910 km (0.039 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 756.1

Radius: 6.5

Gravity: 17.9 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 5.44 AU - 8.24 AU

Year: 11550 Days

Day: 21.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 60,164,379 km

• M1: 83,176 km (0.119 R)
• M2: 312,360 km (0.105 R)
• M3: 563,834 km (0.105 R)
• M4: 778,507 km (0.083 R)
• M5: 1,094,159 km (0.09 R)
• M6: 1,436,588 km (0.098 R)
• M7: 1,671,906 km (0.103 R)
• M8: 2,375,764 km (0.111 R)
• M9: 2,750,506 km (0.057 R)
• M10: 3,164,145 km (0.1 R)
• M11: 3,698,059 km (0.118 R)
• M12: 5,770,439 km (0.101 R)
• M13: 7,052,044 km (0.065 R)
• M14: 7,261,630 km (0.043 R)
• M15: 7,915,373 km (0.108 R)
• M16: 9,490,639 km (0.036 R)
• M17: 9,902,033 km (0.112 R)
• M18: 10,486,811 km (0.093 R)
• M19: 12,379,822 km (0.071 R)
• M20: 23,608,788 km (0.1 R)
• M21: 25,134,387 km (0.095 R)
• M22: 26,421,527 km (0.069 R)
• M23: 33,168,690 km (0.077 R)
• M24: 34,957,881 km (0.096 R)
• M25: 35,814,478 km (0.096 R)
• M26: 36,185,930 km (0.11 R)
• M27: 37,315,394 km (0.082 R)
• M28: 38,081,335 km (0.043 R)
• M29: 38,338,942 km (0.063 R)
• M30: 46,619,783 km (0.085 R)
• M31: 49,932,029 km (0.039 R)
• M32: 50,550,766 km (0.107 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.2 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 589.3

Radius: 4.9

Gravity: 24.54 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 7.04 AU - 9.36 AU

Year: 15161 Days

Day: 22.2 Hours

Environment

Temp: -231 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 60,164,379 km

• M1: 94,097 km (0.11 R)
• M2: 271,969 km (0.084 R)
• M3: 801,845 km (0.098 R)
• M4: 977,622 km (0.097 R)
• M5: 1,192,145 km (0.038 R)
• M6: 1,352,215 km (0.1 R)
• M7: 2,550,494 km (0.104 R)
• M8: 4,674,784 km (0.108 R)
• M9: 5,111,310 km (0.048 R)
• M10: 6,341,005 km (0.091 R)
• M11: 6,749,557 km (0.098 R)
• M12: 6,917,854 km (0.104 R)
• M13: 8,708,541 km (0.112 R)
• M14: 10,060,606 km (0.081 R)
• M15: 12,530,916 km (0.094 R)
• M16: 12,913,887 km (0.11 R)
• M17: 13,569,574 km (0.1 R)
• M18: 14,454,745 km (0.099 R)
• M19: 28,473,561 km (0.069 R)
• M20: 30,718,576 km (0.089 R)
• M21: 31,414,506 km (0.099 R)
• M22: 33,321,430 km (0.119 R)
• M23: 34,676,338 km (0.112 R)
• M24: 39,912,862 km (0.063 R)
• M25: 40,325,602 km (0.112 R)
• M26: 41,863,319 km (0.114 R)
• M27: 42,431,940 km (0.113 R)
• M28: 43,294,671 km (0.095 R)
• M29: 48,718,192 km (0.099 R)
• M30: 57,675,215 km (0.117 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: 479 - 17,679 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit