🌌 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: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 635.9

Radius: 14.6

Gravity: 2.98 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.47 AU - 0.61 AU

Year: 274 Days

Day: 14.7 Hours

Environment

Temp: -142 °C

Axial Tilt: 40 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 54,047,236 km

• M1: 181,761 km (0.092 R)
• M2: 776,862 km (0.117 R)
• M3: 1,232,836 km (0.099 R)
• M4: 1,712,297 km (0.104 R)
• M5: 2,209,860 km (0.098 R)
• M6: 2,813,936 km (0.071 R)
• M7: 3,307,609 km (0.12 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.3

Radius: 11.7

Gravity: 4.44 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.69 AU - 0.73 AU

Year: 413 Days

Day: 7.6 Hours

Environment

Temp: -161 °C

Axial Tilt: 19 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 54,047,236 km

• M1: 145,559 km (0.115 R)
• M2: 547,977 km (0.059 R)
• M3: 1,101,340 km (0.103 R)
• M4: 2,014,186 km (0.072 R)
• M5: 2,414,061 km (0.098 R)
• M6: 2,960,243 km (0.12 R)
• M7: 3,354,134 km (0.116 R)
• M8: 3,820,281 km (0.075 R)
• M9: 4,665,359 km (0.101 R)
• M10: 5,048,779 km (0.03 R)
• M11: 5,453,291 km (0.078 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 851.7

Radius: 9.3

Gravity: 9.85 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 1.45 AU - 1.69 AU

Year: 1358 Days

Day: 6.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,047,236 km

• M1: 115,639 km (0.093 R)
• M2: 421,716 km (0.086 R)
• M3: 714,629 km (0.068 R)
• M4: 1,053,019 km (0.063 R)
• M5: 1,562,550 km (0.074 R)
• M6: 2,003,115 km (0.1 R)
• M7: 2,537,778 km (0.117 R)
• M8: 3,572,547 km (0.099 R)
• M9: 3,997,106 km (0.088 R)
• M10: 4,286,278 km (0.108 R)
• M11: 4,786,384 km (0.107 R)
• M12: 5,902,982 km (0.053 R)
• M13: 7,397,465 km (0.103 R)
• M14: 9,442,318 km (0.041 R)
• M15: 10,156,050 km (0.115 R)
• M16: 11,010,403 km (0.112 R)
• M17: 13,215,775 km (0.088 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 974.8

Radius: 9.5

Gravity: 10.8 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 1.59 AU - 2.01 AU

Year: 1667 Days

Day: 7.6 Hours

Environment

Temp: -199 °C

Axial Tilt: 48.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,047,236 km

• M1: 119,529 km (0.048 R)
• M2: 430,243 km (0.096 R)
• M3: 727,644 km (0.095 R)
• M4: 1,389,166 km (0.116 R)
• M5: 1,812,079 km (0.066 R)
• M6: 2,904,592 km (0.116 R)
• M7: 3,515,849 km (0.096 R)
• M8: 3,852,444 km (0.117 R)
• M9: 4,288,821 km (0.096 R)
• M10: 5,560,553 km (0.111 R)
• M11: 5,994,387 km (0.058 R)
• M12: 7,178,753 km (0.063 R)
• M13: 7,693,818 km (0.116 R)
• M14: 8,449,886 km (0.091 R)
• M15: 10,251,044 km (0.079 R)
• M16: 12,214,517 km (0.111 R)
• M17: 13,454,982 km (0.036 R)
• M18: 14,461,477 km (0.12 R)
• M19: 15,330,042 km (0.072 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.1

Radius: 8.6

Gravity: 5.67 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 1.7 AU - 2.64 AU

Year: 2206 Days

Day: 12.5 Hours

Environment

Temp: -203 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 54,047,236 km

• M1: 107,262 km (0.08 R)
• M2: 542,143 km (0.116 R)
• M3: 812,616 km (0.111 R)
• M4: 1,355,058 km (0.098 R)
• M5: 1,628,822 km (0.086 R)
• M6: 2,340,608 km (0.071 R)
• M7: 3,261,533 km (0.095 R)
• M8: 3,588,703 km (0.083 R)
• M9: 4,386,658 km (0.052 R)
• M10: 4,807,028 km (0.092 R)
• M11: 5,409,010 km (0.108 R)
• M12: 5,751,739 km (0.081 R)
• M13: 6,789,200 km (0.116 R)
• M14: 7,745,131 km (0.089 R)
• M15: 8,240,449 km (0.096 R)
• M16: 8,602,775 km (0.112 R)
• M17: 9,294,815 km (0.105 R)
• M18: 9,888,120 km (0.119 R)
• M19: 10,541,414 km (0.077 R)
• M20: 12,437,717 km (0.071 R)
• M21: 13,036,258 km (0.11 R)
• M22: 14,076,262 km (0.078 R)
• M23: 14,638,451 km (0.084 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 678

Radius: 14.2

Gravity: 3.36 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.77 AU - 3.53 AU

Year: 3859 Days

Day: 8.9 Hours

Environment

Temp: -208 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 54,047,236 km

• M1: 176,675 km (0.091 R)
• M2: 752,477 km (0.12 R)
• M3: 1,200,074 km (0.115 R)
• M4: 1,797,867 km (0.102 R)
• M5: 2,437,398 km (0.118 R)
• M6: 3,511,960 km (0.089 R)
• M7: 4,906,960 km (0.067 R)
• M8: 6,053,777 km (0.08 R)
• M9: 6,767,808 km (0.068 R)
• M10: 7,339,720 km (0.071 R)
• M11: 7,875,131 km (0.082 R)
• M12: 8,580,934 km (0.076 R)
• M13: 10,200,929 km (0.108 R)
• M14: 12,293,055 km (0.093 R)
• M15: 13,146,810 km (0.034 R)
• M16: 14,814,677 km (0.062 R)
• M17: 16,790,865 km (0.11 R)
• M18: 18,937,146 km (0.109 R)
• M19: 20,728,879 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 205.1

Radius: 12.7

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 2.93 AU - 4.63 AU

Year: 5073 Days

Day: 14 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 54,047,236 km

• M1: 158,125 km (0.11 R)
• M2: 578,794 km (0.066 R)
• M3: 1,063,342 km (0.112 R)
• M4: 1,657,395 km (0.047 R)
• M5: 3,086,503 km (0.111 R)
• M6: 3,562,075 km (0.107 R)
• M7: 5,004,797 km (0.057 R)
• M8: 5,563,545 km (0.054 R)
• M9: 6,109,727 km (0.087 R)
• M10: 7,040,525 km (0.06 R)
• M11: 8,730,382 km (0.064 R)
• M12: 9,290,028 km (0.114 R)
• M13: 9,762,308 km (0.081 R)
• M14: 10,288,743 km (0.113 R)
• M15: 10,873,820 km (0.089 R)
• M16: 11,688,381 km (0.116 R)
• M17: 14,961,133 km (0.09 R)
• M18: 16,647,999 km (0.111 R)
• M19: 17,840,892 km (0.117 R)
• M20: 18,458,432 km (0.092 R)
• M21: 20,335,886 km (0.114 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 941.3

Radius: 6.2

Gravity: 24.49 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 6.32 AU - 6.56 AU

Year: 11281 Days

Day: 21.6 Hours

Environment

Temp: -234 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 54,047,236 km

• M1: 77,043 km (0.106 R)
• M2: 350,508 km (0.101 R)
• M3: 552,465 km (0.051 R)
• M4: 1,263,504 km (0.101 R)
• M5: 1,483,712 km (0.066 R)
• M6: 3,045,962 km (0.06 R)
• M7: 3,241,636 km (0.062 R)
• M8: 3,936,668 km (0.084 R)
• M9: 4,228,982 km (0.072 R)
• M10: 4,535,658 km (0.105 R)
• M11: 7,592,990 km (0.085 R)
• M12: 8,566,124 km (0.086 R)
• M13: 9,107,818 km (0.09 R)
• M14: 10,259,422 km (0.114 R)
• M15: 10,701,334 km (0.115 R)
• M16: 11,098,217 km (0.063 R)
• M17: 11,981,892 km (0.11 R)
• M18: 12,784,933 km (0.083 R)
• M19: 13,426,558 km (0.076 R)
• M20: 15,337,372 km (0.1 R)
• M21: 19,105,144 km (0.104 R)
• M22: 19,354,075 km (0.078 R)
• M23: 23,163,734 km (0.089 R)
• M24: 23,923,841 km (0.056 R)
• M25: 24,995,710 km (0.084 R)
• M26: 25,194,077 km (0.114 R)
• M27: 26,714,889 km (0.09 R)
• M28: 30,049,874 km (0.069 R)
• M29: 30,499,415 km (0.116 R)
• M30: 34,749,641 km (0.114 R)
• M31: 35,369,574 km (0.112 R)
• M32: 37,144,403 km (0.057 R)
• M33: 37,662,311 km (0.057 R)
• M34: 40,187,822 km (0.081 R)
• M35: 40,733,555 km (0.049 R)
• M36: 43,108,122 km (0.091 R)
• M37: 46,166,651 km (0.099 R)
• M38: 50,307,819 km (0.103 R)
• M39: 51,100,837 km (0.097 R)
• M40: 57,402,947 km (0.082 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 554.5

Radius: 5.3

Gravity: 19.74 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 5.46 AU - 8.92 AU

Year: 13308 Days

Day: 23.9 Hours

Environment

Temp: -233 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 54,047,236 km

• M1: 65,973 km (0.104 R)
• M2: 262,993 km (0.039 R)
• M3: 454,030 km (0.1 R)
• M4: 705,653 km (0.12 R)
• M5: 919,578 km (0.067 R)
• M6: 1,302,399 km (0.106 R)
• M7: 1,538,016 km (0.052 R)
• M8: 1,721,273 km (0.11 R)
• M9: 2,690,817 km (0.105 R)
• M10: 2,958,447 km (0.086 R)
• M11: 3,219,047 km (0.089 R)
• M12: 4,151,640 km (0.094 R)
• M13: 5,320,299 km (0.107 R)
• M14: 5,599,149 km (0.062 R)
• M15: 10,817,721 km (0.044 R)
• M16: 11,379,611 km (0.069 R)
• M17: 13,499,562 km (0.104 R)
• M18: 13,757,469 km (0.063 R)
• M19: 14,686,173 km (0.034 R)
• M20: 17,340,637 km (0.092 R)
• M21: 18,187,511 km (0.06 R)
• M22: 25,193,329 km (0.09 R)
• M23: 26,479,122 km (0.103 R)
• M24: 30,267,240 km (0.08 R)
• M25: 31,832,931 km (0.073 R)
• M26: 33,924,160 km (0.12 R)
• M27: 36,105,296 km (0.066 R)
• M28: 39,549,638 km (0.105 R)
• M29: 42,513,022 km (0.119 R)
• M30: 46,935,285 km (0.102 R)
• M31: 50,253,066 km (0.097 R)
• M32: 52,921,593 km (0.11 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 204 - 17,719 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit