🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 125.9

Radius: 11.4

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.058

Orbit Range: 0.73 AU - 0.83 AU

Year: 445 Days

Day: 11.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 80,857,244 km

• M1: 141,819 km (0.049 R)
• M2: 515,963 km (0.098 R)
• M3: 897,138 km (0.075 R)
• M4: 1,465,311 km (0.097 R)
• M5: 1,846,187 km (0.069 R)
• M6: 2,604,948 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.4

Radius: 11.7

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.83 AU - 0.91 AU

Year: 524 Days

Day: 9.2 Hours

Environment

Temp: -147 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 80,857,244 km

• M1: 145,559 km (0.118 R)
• M2: 588,967 km (0.057 R)
• M3: 1,057,807 km (0.069 R)
• M4: 1,449,304 km (0.031 R)
• M5: 2,215,844 km (0.112 R)
• M6: 2,820,219 km (0.116 R)
• M7: 3,224,582 km (0.116 R)
• M8: 3,937,266 km (0.077 R)
• M9: 4,388,005 km (0.113 R)
• M10: 5,232,186 km (0.08 R)
• M11: 5,812,924 km (0.074 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 747

Radius: 8.2

Gravity: 11.11 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 0.93 AU - 1.01 AU

Year: 617 Days

Day: 7.9 Hours

Environment

Temp: -156 °C

Axial Tilt: 59.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,857,244 km

• M1: 103,073 km (0.118 R)
• M2: 549,323 km (0.102 R)
• M3: 866,172 km (0.051 R)
• M4: 1,647,073 km (0.055 R)
• M5: 1,939,836 km (0.11 R)
• M6: 2,408,376 km (0.111 R)
• M7: 2,675,558 km (0.108 R)
• M8: 3,544,871 km (0.097 R)
• M9: 4,323,378 km (0.09 R)
• M10: 4,953,185 km (0.071 R)
• M11: 5,460,023 km (0.12 R)
• M12: 6,475,344 km (0.119 R)
• M13: 7,409,882 km (0.06 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 10.9

Radius: 11.2

Gravity: 0.09 G

Time & Orbit

Eccentricity (e): 0.214

Orbit Range: 0.92 AU - 1.42 AU

Year: 817 Days

Day: 5.4 Hours

Environment

Temp: -168 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 80,857,244 km

• M1: 139,276 km (0.08 R)
• M2: 552,914 km (0.091 R)
• M3: 1,250,937 km (0.047 R)
• M4: 1,656,796 km (0.087 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 976.2

Radius: 12.3

Gravity: 6.45 G

Time & Orbit

Eccentricity (e): 0.103

Orbit Range: 3 AU - 3.7 AU

Year: 3959 Days

Day: 5.9 Hours

Environment

Temp: -200 °C

Axial Tilt: 104.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 80,857,244 km

• M1: 153,039 km (0.091 R)
• M2: 538,104 km (0.04 R)
• M3: 990,039 km (0.073 R)
• M4: 1,594,713 km (0.068 R)
• M5: 1,990,699 km (0.043 R)
• M6: 2,685,132 km (0.104 R)
• M7: 3,312,546 km (0.049 R)
• M8: 4,759,157 km (0.047 R)
• M9: 5,856,158 km (0.06 R)
• M10: 7,560,377 km (0.079 R)
• M11: 8,024,729 km (0.112 R)
• M12: 11,177,504 km (0.103 R)
• M13: 12,211,973 km (0.115 R)
• M14: 13,515,420 km (0.119 R)
• M15: 13,987,551 km (0.102 R)
• M16: 18,554,026 km (0.106 R)
• M17: 20,479,051 km (0.037 R)
• M18: 21,525,338 km (0.066 R)
• M19: 24,335,385 km (0.045 R)
• M20: 25,748,337 km (0.106 R)
• M21: 27,800,520 km (0.063 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 661.6

Radius: 10.9

Gravity: 5.57 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 3.8 AU - 5.84 AU

Year: 6833 Days

Day: 12.9 Hours

Environment

Temp: -223 °C

Axial Tilt: 102.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,857,244 km

• M1: 136,284 km (0.109 R)
• M2: 749,934 km (0.112 R)
• M3: 1,124,228 km (0.097 R)
• M4: 1,562,251 km (0.085 R)
• M5: 2,005,509 km (0.108 R)
• M6: 2,659,401 km (0.083 R)
• M7: 3,450,325 km (0.108 R)
• M8: 4,339,236 km (0.066 R)
• M9: 5,774,777 km (0.077 R)
• M10: 7,170,376 km (0.038 R)
• M11: 7,888,445 km (0.068 R)
• M12: 8,990,533 km (0.072 R)
• M13: 12,113,388 km (0.064 R)
• M14: 12,482,147 km (0.115 R)
• M15: 14,264,606 km (0.081 R)
• M16: 15,156,209 km (0.115 R)
• M17: 15,770,907 km (0.094 R)
• M18: 16,594,742 km (0.096 R)
• M19: 17,782,549 km (0.075 R)
• M20: 20,923,506 km (0.099 R)
• M21: 22,863,940 km (0.053 R)
• M22: 23,836,626 km (0.112 R)
• M23: 24,250,114 km (0.074 R)
• M24: 30,358,045 km (0.033 R)
• M25: 31,731,504 km (0.064 R)
• M26: 32,332,737 km (0.097 R)
• M27: 33,146,101 km (0.074 R)
• M28: 33,764,987 km (0.111 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.4

Radius: 12.9

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 4.06 AU - 6.54 AU

Year: 7878 Days

Day: 9.9 Hours

Environment

Temp: -219 °C

Axial Tilt: 26.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,857,244 km

• M1: 168,597 km (0.104 R)
• M2: 593,754 km (0.08 R)
• M3: 1,159,383 km (0.093 R)
• M4: 1,569,730 km (0.049 R)
• M5: 2,063,104 km (0.098 R)
• M6: 3,106,400 km (0.072 R)
• M7: 4,073,700 km (0.095 R)
• M8: 5,140,931 km (0.085 R)
• M9: 5,642,832 km (0.071 R)
• M10: 7,465,233 km (0.059 R)
• M11: 9,887,970 km (0.04 R)
• M12: 11,698,105 km (0.119 R)
• M13: 14,751,696 km (0.096 R)
• M14: 15,318,523 km (0.074 R)
• M15: 16,031,057 km (0.107 R)
• M16: 17,244,446 km (0.064 R)
• M17: 19,177,998 km (0.116 R)
• M18: 22,467,356 km (0.09 R)
• M19: 23,813,887 km (0.04 R)
• M20: 25,752,226 km (0.085 R)
• M21: 29,443,404 km (0.114 R)
• M22: 30,748,496 km (0.103 R)
• M23: 32,196,603 km (0.086 R)
• M24: 33,581,580 km (0.103 R)
• M25: 37,507,477 km (0.1 R)
• M26: 40,004,415 km (0.037 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.4

Radius: 8.4

Gravity: 2.36 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 4.75 AU - 6.99 AU

Year: 9183 Days

Day: 11.8 Hours

Environment

Temp: -230 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,857,244 km

• M1: 105,167 km (0.07 R)
• M2: 469,737 km (0.1 R)
• M3: 1,363,884 km (0.114 R)
• M4: 2,535,385 km (0.089 R)
• M5: 3,396,171 km (0.118 R)
• M6: 5,021,851 km (0.117 R)
• M7: 5,400,633 km (0.115 R)
• M8: 7,278,535 km (0.062 R)
• M9: 8,917,080 km (0.109 R)
• M10: 11,328,000 km (0.096 R)
• M11: 11,697,955 km (0.083 R)
• M12: 14,680,488 km (0.082 R)
• M13: 15,287,855 km (0.078 R)
• M14: 17,637,888 km (0.092 R)
• M15: 18,578,111 km (0.069 R)
• M16: 20,489,972 km (0.119 R)
• M17: 25,559,544 km (0.095 R)
• M18: 26,438,132 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.59 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 227.5

Radius: 5.9

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.59 AU - 7.59 AU

Year: 10923 Days

Day: 15.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 0 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,857,244 km

• M1: 83,924 km (0.117 R)
• M2: 322,084 km (0.079 R)
• M3: 529,277 km (0.119 R)
• M4: 757,264 km (0.076 R)
• M5: 1,050,775 km (0.101 R)
• M6: 1,335,909 km (0.092 R)
• M7: 1,767,798 km (0.095 R)
• M8: 2,548,400 km (0.075 R)
• M9: 3,317,782 km (0.091 R)
• M10: 3,651,684 km (0.104 R)
• M11: 6,683,135 km (0.053 R)
• M12: 7,474,059 km (0.09 R)
• M13: 9,901,135 km (0.106 R)
• M14: 10,174,151 km (0.119 R)
• M15: 10,358,905 km (0.089 R)
• M16: 12,227,681 km (0.09 R)
• M17: 16,618,079 km (0.104 R)
• M18: 18,883,290 km (0.119 R)
• M19: 19,092,578 km (0.083 R)
• M20: 20,380,765 km (0.079 R)
• M21: 21,046,176 km (0.104 R)
• M22: 22,654,802 km (0.081 R)
• M23: 23,609,985 km (0.066 R)
• M24: 29,347,811 km (0.072 R)
• M25: 29,911,346 km (0.113 R)
• M26: 30,673,996 km (0.062 R)
• M27: 31,645,335 km (0.046 R)
• M28: 33,241,993 km (0.098 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 556.9

Radius: 7.7

Gravity: 9.39 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 10.1 AU - 12.36 AU

Year: 24299 Days

Day: 20 Hours

Environment

Temp: -237 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,857,244 km

• M1: 96,042 km (0.036 R)
• M2: 558,898 km (0.086 R)
• M3: 854,353 km (0.072 R)
• M4: 1,143,825 km (0.099 R)
• M5: 2,548,549 km (0.096 R)
• M6: 2,919,702 km (0.106 R)
• M7: 3,186,734 km (0.115 R)
• M8: 3,678,462 km (0.108 R)
• M9: 5,661,980 km (0.117 R)
• M10: 5,994,087 km (0.091 R)
• M11: 8,163,556 km (0.069 R)
• M12: 11,782,179 km (0.118 R)
• M13: 12,324,621 km (0.103 R)
• M14: 14,052,027 km (0.055 R)
• M15: 15,690,872 km (0.065 R)
• M16: 18,517,374 km (0.04 R)
• M17: 24,494,707 km (0.086 R)
• M18: 27,324,799 km (0.061 R)
• M19: 30,239,863 km (0.065 R)
• M20: 59,561,644 km (0.076 R)
• M21: 64,430,157 km (0.114 R)
• M22: 65,266,559 km (0.089 R)
• M23: 65,898,610 km (0.076 R)
• M24: 75,411,838 km (0.071 R)
• M25: 78,696,259 km (0.031 R)
• M26: 79,891,995 km (0.108 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 511 - 14,715 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit