🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 194.6

Radius: 14.5

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.41 AU - 0.65 AU

Year: 257 Days

Day: 14.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 87,644,718 km

• M1: 180,415 km (0.09 R)
• M2: 648,058 km (0.102 R)
• M3: 1,275,920 km (0.065 R)
• M4: 1,818,063 km (0.084 R)
• M5: 2,277,777 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 196.6

Radius: 11.7

Gravity: 1.44 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 0.47 AU - 0.75 AU

Year: 318 Days

Day: 8 Hours

Environment

Temp: -157 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 87,644,718 km

• M1: 145,559 km (0.084 R)
• M2: 525,986 km (0.037 R)
• M3: 946,207 km (0.098 R)
• M4: 1,337,255 km (0.092 R)
• M5: 2,124,439 km (0.112 R)
• M6: 2,715,501 km (0.109 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.7

Radius: 11.6

Gravity: 0.9 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 0.59 AU - 0.85 AU

Year: 407 Days

Day: 12 Hours

Environment

Temp: -160 °C

Axial Tilt: 25.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 87,644,718 km

• M1: 147,952 km (0.036 R)
• M2: 733,778 km (0.057 R)
• M3: 1,467,106 km (0.112 R)
• M4: 1,856,061 km (0.061 R)
• M5: 2,448,319 km (0.101 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 573.3

Radius: 10.9

Gravity: 4.83 G

Time & Orbit

Eccentricity (e): 0.193

Orbit Range: 1.36 AU - 2.02 AU

Year: 1465 Days

Day: 14.2 Hours

Environment

Temp: -186 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,644,718 km

• M1: 135,536 km (0.04 R)
• M2: 505,491 km (0.065 R)
• M3: 1,222,514 km (0.081 R)
• M4: 2,411,218 km (0.11 R)
• M5: 3,138,264 km (0.064 R)
• M6: 3,545,918 km (0.096 R)
• M7: 4,005,782 km (0.096 R)
• M8: 4,828,720 km (0.052 R)
• M9: 5,543,947 km (0.043 R)
• M10: 6,710,661 km (0.092 R)
• M11: 7,788,813 km (0.094 R)
• M12: 8,511,820 km (0.036 R)
• M13: 8,860,532 km (0.112 R)
• M14: 9,995,831 km (0.068 R)
• M15: 10,682,036 km (0.117 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 604.2

Radius: 10.8

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 3.1 AU - 5.04 AU

Year: 5475 Days

Day: 14.4 Hours

Environment

Temp: -218 °C

Axial Tilt: 11 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,644,718 km

• M1: 134,339 km (0.071 R)
• M2: 928,704 km (0.037 R)
• M3: 1,909,766 km (0.048 R)
• M4: 3,521,983 km (0.084 R)
• M5: 4,269,822 km (0.103 R)
• M6: 6,717,842 km (0.118 R)
• M7: 7,224,979 km (0.051 R)
• M8: 11,711,269 km (0.117 R)
• M9: 12,396,876 km (0.119 R)
• M10: 13,475,178 km (0.078 R)
• M11: 19,754,399 km (0.093 R)
• M12: 20,445,092 km (0.055 R)
• M13: 20,938,167 km (0.119 R)
• M14: 23,909,480 km (0.095 R)
• M15: 28,005,021 km (0.045 R)
• M16: 29,230,676 km (0.088 R)
• M17: 30,037,158 km (0.079 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 626.3

Radius: 9.9

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 3.63 AU - 5.21 AU

Year: 6197 Days

Day: 14.4 Hours

Environment

Temp: -226 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,644,718 km

• M1: 123,119 km (0.11 R)
• M2: 472,131 km (0.048 R)
• M3: 927,956 km (0.1 R)
• M4: 1,774,979 km (0.089 R)
• M5: 2,479,286 km (0.041 R)
• M6: 2,915,513 km (0.087 R)
• M7: 5,547,089 km (0.114 R)
• M8: 6,071,729 km (0.042 R)
• M9: 6,395,459 km (0.105 R)
• M10: 7,184,438 km (0.093 R)
• M11: 9,897,694 km (0.115 R)
• M12: 11,191,118 km (0.097 R)
• M13: 13,720,518 km (0.109 R)
• M14: 15,088,740 km (0.081 R)
• M15: 15,564,462 km (0.107 R)
• M16: 16,358,826 km (0.116 R)
• M17: 22,616,505 km (0.034 R)
• M18: 25,095,940 km (0.078 R)
• M19: 28,918,316 km (0.119 R)
• M20: 29,745,442 km (0.1 R)
• M21: 33,612,996 km (0.059 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 763.5

Radius: 10.5

Gravity: 6.93 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 4.47 AU - 6.27 AU

Year: 8298 Days

Day: 8.2 Hours

Environment

Temp: -224 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 87,644,718 km

• M1: 130,898 km (0.119 R)
• M2: 460,013 km (0.096 R)
• M3: 1,050,476 km (0.08 R)
• M4: 1,537,717 km (0.103 R)
• M5: 1,865,635 km (0.116 R)
• M6: 2,666,732 km (0.104 R)
• M7: 3,037,286 km (0.066 R)
• M8: 4,761,102 km (0.115 R)
• M9: 5,799,311 km (0.109 R)
• M10: 6,608,037 km (0.07 R)
• M11: 8,623,868 km (0.086 R)
• M12: 9,026,137 km (0.111 R)
• M13: 9,394,148 km (0.07 R)
• M14: 10,458,238 km (0.095 R)
• M15: 10,813,233 km (0.066 R)
• M16: 11,654,871 km (0.119 R)
• M17: 13,587,675 km (0.11 R)
• M18: 13,949,702 km (0.092 R)
• M19: 17,152,443 km (0.117 R)
• M20: 17,789,880 km (0.092 R)
• M21: 20,106,702 km (0.085 R)
• M22: 20,656,474 km (0.082 R)
• M23: 21,055,302 km (0.111 R)
• M24: 24,522,083 km (0.08 R)
• M25: 29,847,618 km (0.116 R)
• M26: 32,671,128 km (0.036 R)
• M27: 33,981,306 km (0.084 R)
• M28: 34,425,761 km (0.068 R)
• M29: 38,601,786 km (0.086 R)
• M30: 38,964,411 km (0.064 R)
• M31: 39,573,723 km (0.093 R)
• M32: 40,686,432 km (0.097 R)
• M33: 41,819,935 km (0.111 R)
• M34: 43,494,085 km (0.117 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 704.4

Radius: 3.2

Gravity: 68.79 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 6.15 AU - 6.57 AU

Year: 10696 Days

Day: 16.3 Hours

Environment

Temp: -222 °C

Axial Tilt: 55.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 87,644,718 km

• M1: 40,840 km (0.045 R)
• M2: 161,416 km (0.114 R)
• M3: 623,374 km (0.068 R)
• M4: 792,420 km (0.051 R)
• M5: 1,791,584 km (0.045 R)
• M6: 4,003,837 km (0.08 R)
• M7: 6,397,852 km (0.054 R)
• M8: 7,524,623 km (0.112 R)
• M9: 7,957,111 km (0.086 R)
• M10: 8,683,259 km (0.083 R)
• M11: 9,062,489 km (0.076 R)
• M12: 12,985,694 km (0.065 R)
• M13: 13,989,196 km (0.108 R)
• M14: 15,867,547 km (0.052 R)
• M15: 16,290,909 km (0.099 R)
• M16: 17,531,075 km (0.079 R)
• M17: 19,069,091 km (0.045 R)
• M18: 23,302,711 km (0.105 R)
• M19: 24,218,399 km (0.111 R)
• M20: 24,685,145 km (0.107 R)
• M21: 25,444,503 km (0.114 R)
• M22: 27,209,459 km (0.118 R)
• M23: 30,545,492 km (0.086 R)
• M24: 39,282,456 km (0.109 R)
• M25: 47,481,467 km (0.088 R)
• M26: 50,146,702 km (0.119 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 373.3

Radius: 7.9

Gravity: 5.98 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 5.96 AU - 8.04 AU

Year: 12350 Days

Day: 18.2 Hours

Environment

Temp: -237 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 87,644,718 km

• M1: 99,034 km (0.101 R)
• M2: 463,454 km (0.056 R)
• M3: 759,658 km (0.113 R)
• M4: 1,096,104 km (0.08 R)
• M5: 1,399,488 km (0.068 R)
• M6: 1,977,235 km (0.037 R)
• M7: 3,955,218 km (0.065 R)
• M8: 5,618,896 km (0.1 R)
• M9: 6,531,443 km (0.032 R)
• M10: 7,662,104 km (0.067 R)
• M11: 8,166,249 km (0.083 R)
• M12: 10,355,913 km (0.077 R)
• M13: 10,764,165 km (0.103 R)
• M14: 11,396,515 km (0.09 R)
• M15: 12,620,076 km (0.11 R)
• M16: 13,323,037 km (0.102 R)
• M17: 13,623,579 km (0.089 R)
• M18: 14,300,808 km (0.117 R)
• M19: 15,589,295 km (0.106 R)
• M20: 17,809,028 km (0.06 R)
• M21: 18,469,503 km (0.116 R)
• M22: 22,608,876 km (0.065 R)
• M23: 30,121,681 km (0.074 R)
• M24: 30,744,307 km (0.095 R)
• M25: 33,320,682 km (0.08 R)
• M26: 35,116,155 km (0.113 R)
• M27: 38,776,516 km (0.079 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 768.7

Radius: 6.6

Gravity: 17.65 G

Time & Orbit

Eccentricity (e): 0.105

Orbit Range: 9.58 AU - 11.82 AU

Year: 23340 Days

Day: 19.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 14.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 87,644,718 km

• M1: 205,099 km (0.116 R)
• M2: 584,329 km (0.119 R)
• M3: 892,950 km (0.09 R)
• M4: 1,292,526 km (0.099 R)
• M5: 2,173,807 km (0.114 R)
• M6: 2,470,010 km (0.09 R)
• M7: 2,978,344 km (0.11 R)
• M8: 4,305,128 km (0.101 R)
• M9: 5,397,042 km (0.118 R)
• M10: 7,289,605 km (0.103 R)
• M11: 7,643,254 km (0.054 R)
• M12: 8,168,044 km (0.115 R)
• M13: 9,407,163 km (0.096 R)
• M14: 9,887,372 km (0.059 R)
• M15: 10,258,076 km (0.056 R)
• M16: 11,697,357 km (0.114 R)
• M17: 12,182,203 km (0.101 R)
• M18: 15,213,655 km (0.065 R)
• M19: 16,127,997 km (0.065 R)
• M20: 19,665,388 km (0.079 R)
• M21: 21,051,861 km (0.084 R)
• M22: 26,535,820 km (0.105 R)
• M23: 31,157,646 km (0.077 R)
• M24: 43,253,831 km (0.11 R)
• M25: 44,578,819 km (0.077 R)
• M26: 46,101,277 km (0.03 R)
• M27: 53,856,430 km (0.097 R)
• M28: 58,140,913 km (0.088 R)
• M29: 60,982,525 km (0.104 R)
• M30: 62,019,388 km (0.096 R)
• M31: 63,915,241 km (0.042 R)
• M32: 66,940,709 km (0.11 R)
• M33: 71,655,884 km (0.111 R)
• M34: 73,742,625 km (0.042 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: 228 - 12,784 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit