🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.34 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 494

Radius: 12.6

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 0.64 AU - 0.7 AU

Year: 366 Days

Day: 12 Hours

Environment

Temp: -161 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,653,037 km

• M1: 156,779 km (0.103 R)
• M2: 712,086 km (0.058 R)
• M3: 1,391,260 km (0.106 R)
• M4: 1,795,623 km (0.085 R)
• M5: 2,371,874 km (0.109 R)
• M6: 2,813,038 km (0.08 R)
• M7: 3,528,415 km (0.106 R)
• M8: 4,348,960 km (0.115 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.7

Radius: 9.3

Gravity: 0.61 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.39 AU - 1.95 AU

Year: 1439 Days

Day: 10.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,653,037 km

• M1: 115,639 km (0.054 R)
• M2: 414,087 km (0.084 R)
• M3: 855,849 km (0.084 R)
• M4: 1,196,484 km (0.048 R)
• M5: 1,663,528 km (0.099 R)
• M6: 2,162,138 km (0.092 R)
• M7: 2,589,689 km (0.118 R)
• M8: 2,922,843 km (0.1 R)
• M9: 3,676,667 km (0.108 R)
• M10: 4,399,075 km (0.1 R)
• M11: 4,891,252 km (0.055 R)
• M12: 5,276,167 km (0.062 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.7

Radius: 11.6

Gravity: 5.01 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.71 AU - 1.89 AU

Year: 1610 Days

Day: 8.2 Hours

Environment

Temp: -191 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 74,653,037 km

• M1: 144,811 km (0.104 R)
• M2: 510,129 km (0.107 R)
• M3: 998,416 km (0.083 R)
• M4: 1,383,182 km (0.071 R)
• M5: 2,085,394 km (0.093 R)
• M6: 2,983,430 km (0.053 R)
• M7: 3,424,594 km (0.089 R)
• M8: 3,874,286 km (0.115 R)
• M9: 5,895,652 km (0.077 R)
• M10: 6,470,407 km (0.104 R)
• M11: 6,874,022 km (0.101 R)
• M12: 7,538,685 km (0.111 R)
• M13: 8,245,535 km (0.114 R)
• M14: 9,120,384 km (0.104 R)
• M15: 10,495,637 km (0.037 R)
• M16: 12,693,978 km (0.056 R)
• M17: 13,208,146 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.24 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 483.5

Radius: 14.7

Gravity: 2.24 G

Time & Orbit

Eccentricity (e): 0.043

Orbit Range: 2.14 AU - 2.34 AU

Year: 2236 Days

Day: 10.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 74,653,037 km

• M1: 182,809 km (0.099 R)
• M2: 663,915 km (0.076 R)
• M3: 1,579,903 km (0.083 R)
• M4: 2,101,850 km (0.115 R)
• M5: 3,045,214 km (0.038 R)
• M6: 3,505,527 km (0.101 R)
• M7: 4,012,813 km (0.09 R)
• M8: 4,814,359 km (0.056 R)
• M9: 5,466,755 km (0.108 R)
• M10: 6,949,868 km (0.112 R)
• M11: 7,556,338 km (0.119 R)
• M12: 9,590,869 km (0.063 R)
• M13: 10,880,104 km (0.107 R)
• M14: 12,400,616 km (0.054 R)
• M15: 14,941,536 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.7

Radius: 10.5

Gravity: 1.87 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 2.65 AU - 3.41 AU

Year: 3517 Days

Day: 10.3 Hours

Environment

Temp: -223 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 74,653,037 km

• M1: 130,599 km (0.093 R)
• M2: 486,941 km (0.092 R)
• M3: 865,723 km (0.098 R)
• M4: 1,411,606 km (0.055 R)
• M5: 2,326,247 km (0.102 R)
• M6: 2,674,361 km (0.094 R)
• M7: 3,042,222 km (0.049 R)
• M8: 3,737,104 km (0.12 R)
• M9: 5,038,905 km (0.026 R)
• M10: 5,721,819 km (0.108 R)
• M11: 6,465,321 km (0.086 R)
• M12: 6,860,558 km (0.034 R)
• M13: 7,216,152 km (0.107 R)
• M14: 7,728,824 km (0.078 R)
• M15: 8,174,476 km (0.096 R)
• M16: 8,955,377 km (0.044 R)
• M17: 9,922,827 km (0.062 R)
• M18: 10,774,787 km (0.113 R)
• M19: 12,382,365 km (0.107 R)
• M20: 12,993,473 km (0.106 R)
• M21: 14,408,818 km (0.085 R)
• M22: 15,547,408 km (0.077 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690

Radius: 9.2

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.249

Orbit Range: 2.3 AU - 3.82 AU

Year: 3570 Days

Day: 7.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,653,037 km

• M1: 124,615 km (0.101 R)
• M2: 532,568 km (0.052 R)
• M3: 831,315 km (0.11 R)
• M4: 1,227,750 km (0.045 R)
• M5: 1,608,776 km (0.031 R)
• M6: 1,974,841 km (0.094 R)
• M7: 2,396,109 km (0.069 R)
• M8: 2,742,578 km (0.099 R)
• M9: 3,104,455 km (0.113 R)
• M10: 4,431,687 km (0.112 R)
• M11: 4,882,874 km (0.106 R)
• M12: 5,549,632 km (0.073 R)
• M13: 5,989,450 km (0.069 R)
• M14: 8,262,739 km (0.091 R)
• M15: 9,591,617 km (0.036 R)
• M16: 12,950,388 km (0.064 R)
• M17: 14,174,398 km (0.114 R)
• M18: 15,313,885 km (0.029 R)
• M19: 16,569,311 km (0.054 R)
• M20: 17,078,841 km (0.099 R)
• M21: 19,221,830 km (0.091 R)
• M22: 20,486,680 km (0.105 R)
• M23: 21,604,924 km (0.083 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 400.2

Radius: 9.9

Gravity: 4.08 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.82 AU - 3.32 AU

Year: 3587 Days

Day: 11.2 Hours

Environment

Temp: -207 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,653,037 km

• M1: 123,418 km (0.114 R)
• M2: 460,462 km (0.092 R)
• M3: 775,815 km (0.065 R)
• M4: 1,125,126 km (0.106 R)
• M5: 1,458,729 km (0.075 R)
• M6: 2,237,386 km (0.051 R)
• M7: 3,066,008 km (0.11 R)
• M8: 4,619,881 km (0.088 R)
• M9: 4,984,900 km (0.108 R)
• M10: 5,695,939 km (0.109 R)
• M11: 7,198,500 km (0.079 R)
• M12: 8,139,321 km (0.099 R)
• M13: 8,707,793 km (0.098 R)
• M14: 9,089,417 km (0.111 R)
• M15: 9,701,422 km (0.105 R)
• M16: 10,149,767 km (0.096 R)
• M17: 13,454,832 km (0.102 R)
• M18: 14,537,771 km (0.118 R)
• M19: 15,224,874 km (0.102 R)
• M20: 16,088,054 km (0.083 R)
• M21: 16,983,697 km (0.038 R)
• M22: 17,361,880 km (0.119 R)
• M23: 18,023,402 km (0.098 R)
• M24: 18,816,420 km (0.092 R)
• M25: 19,632,477 km (0.107 R)
• M26: 20,169,383 km (0.101 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 805.2

Radius: 9.8

Gravity: 8.38 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 2.77 AU - 3.85 AU

Year: 4016 Days

Day: 9.2 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 74,653,037 km

• M1: 132,993 km (0.049 R)
• M2: 446,849 km (0.03 R)
• M3: 797,357 km (0.05 R)
• M4: 1,544,448 km (0.081 R)
• M5: 2,913,867 km (0.089 R)
• M6: 3,779,740 km (0.067 R)
• M7: 5,171,898 km (0.066 R)
• M8: 5,896,250 km (0.079 R)
• M9: 6,467,415 km (0.104 R)
• M10: 7,274,496 km (0.111 R)
• M11: 8,147,250 km (0.049 R)
• M12: 8,971,684 km (0.083 R)
• M13: 10,016,475 km (0.102 R)
• M14: 11,733,111 km (0.114 R)
• M15: 16,602,970 km (0.025 R)
• M16: 17,497,416 km (0.082 R)
• M17: 18,423,726 km (0.094 R)
• M18: 19,447,274 km (0.115 R)
• M19: 23,998,341 km (0.117 R)
• M20: 26,319,801 km (0.098 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 67.5

Radius: 13.2

Gravity: 0.39 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 3.62 AU - 4.68 AU

Year: 5638 Days

Day: 5.5 Hours

Environment

Temp: -227 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,653,037 km

• M1: 164,707 km (0.095 R)
• M2: 575,802 km (0.107 R)
• M3: 1,481,169 km (0.073 R)
• M4: 2,530,598 km (0.072 R)
• M5: 3,296,389 km (0.086 R)
• M6: 4,193,079 km (0.037 R)
• M7: 8,617,137 km (0.109 R)
• M8: 9,085,527 km (0.043 R)
• M9: 10,039,364 km (0.098 R)
• M10: 10,914,361 km (0.102 R)
• M11: 11,877,622 km (0.03 R)
• M12: 12,736,314 km (0.068 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.09 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 566.5

Radius: 5.7

Gravity: 17.44 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 8.62 AU - 11.56 AU

Year: 21373 Days

Day: 15.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 74,653,037 km

• M1: 70,909 km (0.092 R)
• M2: 327,619 km (0.117 R)
• M3: 543,040 km (0.104 R)
• M4: 1,101,938 km (0.088 R)
• M5: 1,351,766 km (0.076 R)
• M6: 1,690,606 km (0.084 R)
• M7: 1,946,867 km (0.089 R)
• M8: 2,166,177 km (0.039 R)
• M9: 2,560,966 km (0.064 R)
• M10: 2,824,857 km (0.116 R)
• M11: 3,080,519 km (0.119 R)
• M12: 3,848,704 km (0.098 R)
• M13: 4,529,076 km (0.055 R)
• M14: 5,248,940 km (0.091 R)
• M15: 6,042,108 km (0.111 R)
• M16: 9,226,897 km (0.085 R)
• M17: 13,666,065 km (0.073 R)
• M18: 14,773,837 km (0.056 R)
• M19: 16,586,814 km (0.118 R)
• M20: 19,991,063 km (0.119 R)
• M21: 20,647,648 km (0.104 R)
• M22: 22,502,512 km (0.037 R)
• M23: 25,433,882 km (0.115 R)
• M24: 31,535,231 km (0.078 R)
• M25: 32,041,321 km (0.06 R)
• M26: 32,810,703 km (0.116 R)
• M27: 36,425,436 km (0.074 R)
• M28: 37,545,475 km (0.055 R)
• M29: 41,797,795 km (0.086 R)
• M30: 42,255,265 km (0.092 R)
• M31: 51,070,020 km (0.087 R)
• M32: 54,441,208 km (0.118 R)
• M33: 56,459,284 km (0.105 R)
• M34: 65,030,793 km (0.085 R)
• M35: 65,644,892 km (0.055 R)
• M36: 72,218,821 km (0.09 R)
• M37: 72,877,351 km (0.102 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 299 - 11,686 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit