🌌 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: 656.6

Radius: 11.9

Gravity: 4.64 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.47 AU - 0.61 AU

Year: 265 Days

Day: 10.8 Hours

Environment

Temp: -134 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 81,928,003 km

• M1: 147,952 km (0.056 R)
• M2: 534,364 km (0.112 R)
• M3: 921,672 km (0.088 R)
• M4: 1,327,980 km (0.037 R)
• M5: 1,808,638 km (0.1 R)
• M6: 2,299,618 km (0.1 R)
• M7: 2,759,333 km (0.075 R)
• M8: 3,178,955 km (0.117 R)
• M9: 3,831,800 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.8

Radius: 15

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.57 AU - 0.63 AU

Year: 310 Days

Day: 8.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 81,928,003 km

• M1: 186,549 km (0.111 R)
• M2: 655,239 km (0.108 R)
• M3: 1,169,706 km (0.047 R)
• M4: 1,712,596 km (0.079 R)
• M5: 2,351,978 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.6

Radius: 13.6

Gravity: 3.49 G

Time & Orbit

Eccentricity (e): 0.131

Orbit Range: 1.23 AU - 1.59 AU

Year: 1116 Days

Day: 9.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 81,928,003 km

• M1: 182,659 km (0.108 R)
• M2: 653,144 km (0.095 R)
• M3: 1,089,222 km (0.066 R)
• M4: 1,839,605 km (0.085 R)
• M5: 2,338,963 km (0.035 R)
• M6: 2,890,081 km (0.037 R)
• M7: 3,587,058 km (0.106 R)
• M8: 4,428,695 km (0.108 R)
• M9: 5,047,582 km (0.086 R)
• M10: 5,933,800 km (0.092 R)
• M11: 6,504,815 km (0.103 R)
• M12: 7,136,267 km (0.106 R)
• M13: 8,015,604 km (0.071 R)
• M14: 9,542,100 km (0.098 R)
• M15: 10,358,905 km (0.106 R)
• M16: 10,800,517 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 786

Radius: 12.6

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.57 AU - 1.57 AU

Year: 1312 Days

Day: 14.3 Hours

Environment

Temp: -201 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 81,928,003 km

• M1: 164,857 km (0.07 R)
• M2: 620,831 km (0.098 R)
• M3: 1,276,967 km (0.112 R)
• M4: 2,105,590 km (0.112 R)
• M5: 2,692,911 km (0.086 R)
• M6: 3,607,104 km (0.089 R)
• M7: 4,471,929 km (0.04 R)
• M8: 4,993,876 km (0.074 R)
• M9: 6,515,137 km (0.06 R)
• M10: 7,906,547 km (0.114 R)
• M11: 9,675,093 km (0.102 R)
• M12: 11,910,534 km (0.116 R)
• M13: 12,840,883 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.7

Radius: 14

Gravity: 2.05 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 2.43 AU - 3.91 AU

Year: 3764 Days

Day: 11.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 81,928,003 km

• M1: 175,478 km (0.059 R)
• M2: 685,607 km (0.107 R)
• M3: 1,532,780 km (0.109 R)
• M4: 2,003,265 km (0.03 R)
• M5: 2,616,317 km (0.074 R)
• M6: 3,143,650 km (0.085 R)
• M7: 3,590,199 km (0.112 R)
• M8: 4,038,544 km (0.077 R)
• M9: 5,002,553 km (0.073 R)
• M10: 5,514,327 km (0.108 R)
• M11: 7,324,611 km (0.111 R)
• M12: 8,183,004 km (0.095 R)
• M13: 9,540,455 km (0.078 R)
• M14: 10,100,699 km (0.117 R)
• M15: 11,494,203 km (0.098 R)
• M16: 12,389,696 km (0.112 R)
• M17: 13,515,868 km (0.095 R)
• M18: 15,357,119 km (0.075 R)
• M19: 19,891,131 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 986.3

Radius: 9.3

Gravity: 11.4 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 2.82 AU - 4.64 AU

Year: 4804 Days

Day: 8 Hours

Environment

Temp: -221 °C

Axial Tilt: 9.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 81,928,003 km

• M1: 116,238 km (0.078 R)
• M2: 477,666 km (0.074 R)
• M3: 2,514,591 km (0.12 R)
• M4: 3,110,439 km (0.079 R)
• M5: 3,420,705 km (0.119 R)
• M6: 4,226,439 km (0.116 R)
• M7: 5,325,235 km (0.093 R)
• M8: 6,051,084 km (0.03 R)
• M9: 7,625,153 km (0.095 R)
• M10: 10,110,722 km (0.116 R)
• M11: 12,933,185 km (0.102 R)
• M12: 17,374,297 km (0.106 R)
• M13: 18,625,384 km (0.075 R)
• M14: 20,577,187 km (0.069 R)
• M15: 27,682,637 km (0.11 R)
• M16: 28,750,766 km (0.095 R)
• M17: 30,217,274 km (0.073 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 662.8

Radius: 13.6

Gravity: 3.58 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 3.69 AU - 5.95 AU

Year: 7057 Days

Day: 5.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 42.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,928,003 km

• M1: 172,337 km (0.063 R)
• M2: 600,935 km (0.066 R)
• M3: 1,159,084 km (0.101 R)
• M4: 2,205,671 km (0.06 R)
• M5: 3,081,567 km (0.091 R)
• M6: 5,520,610 km (0.12 R)
• M7: 8,828,369 km (0.045 R)
• M8: 12,619,179 km (0.117 R)
• M9: 17,314,009 km (0.12 R)
• M10: 18,894,660 km (0.111 R)
• M11: 20,271,259 km (0.115 R)
• M12: 21,174,681 km (0.108 R)
• M13: 21,713,832 km (0.086 R)
• M14: 27,989,014 km (0.066 R)
• M15: 36,247,115 km (0.076 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 120.3

Radius: 14.5

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 3.97 AU - 6.31 AU

Year: 7771 Days

Day: 13.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 81,928,003 km

• M1: 181,013 km (0.1 R)
• M2: 974,630 km (0.106 R)
• M3: 1,515,426 km (0.119 R)
• M4: 2,137,155 km (0.115 R)
• M5: 3,183,742 km (0.099 R)
• M6: 4,549,271 km (0.08 R)
• M7: 5,596,756 km (0.073 R)
• M8: 6,563,457 km (0.03 R)
• M9: 7,671,379 km (0.116 R)
• M10: 8,168,343 km (0.055 R)
• M11: 9,638,142 km (0.109 R)
• M12: 16,262,934 km (0.11 R)
• M13: 18,875,362 km (0.088 R)
• M14: 20,032,052 km (0.104 R)
• M15: 21,106,614 km (0.054 R)

Planet 9 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940

Radius: 11.3

Gravity: 7.36 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 4.33 AU - 6.11 AU

Year: 7953 Days

Day: 8.3 Hours

Environment

Temp: -232 °C

Axial Tilt: 2.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 81,928,003 km

• M1: 140,472 km (0.103 R)
• M2: 521,797 km (0.097 R)
• M3: 950,994 km (0.094 R)
• M4: 1,322,744 km (0.109 R)
• M5: 1,705,266 km (0.104 R)
• M6: 2,338,963 km (0.104 R)
• M7: 2,823,660 km (0.119 R)
• M8: 3,996,956 km (0.108 R)
• M9: 5,056,558 km (0.12 R)
• M10: 5,470,495 km (0.118 R)
• M11: 6,476,092 km (0.104 R)
• M12: 8,988,289 km (0.107 R)
• M13: 10,134,807 km (0.105 R)
• M14: 13,911,555 km (0.062 R)
• M15: 14,473,145 km (0.051 R)
• M16: 15,245,369 km (0.116 R)
• M17: 15,977,202 km (0.106 R)
• M18: 16,455,018 km (0.061 R)
• M19: 16,942,408 km (0.083 R)
• M20: 17,511,029 km (0.094 R)
• M21: 19,992,708 km (0.088 R)
• M22: 22,022,452 km (0.082 R)
• M23: 23,742,379 km (0.064 R)
• M24: 26,016,117 km (0.058 R)
• M25: 27,157,549 km (0.047 R)
• M26: 30,468,449 km (0.07 R)
• M27: 36,217,046 km (0.083 R)
• M28: 39,221,869 km (0.052 R)
• M29: 40,092,229 km (0.051 R)
• M30: 40,721,737 km (0.096 R)
• M31: 43,569,931 km (0.058 R)
• M32: 44,637,910 km (0.036 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.8 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 610.6

Radius: 6.6

Gravity: 14.02 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 10.43 AU - 11.17 AU

Year: 23668 Days

Day: 17.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 81,928,003 km

• M1: 82,129 km (0.06 R)
• M2: 347,366 km (0.086 R)
• M3: 776,862 km (0.051 R)
• M4: 1,039,406 km (0.112 R)
• M5: 2,544,061 km (0.099 R)
• M6: 3,242,534 km (0.075 R)
• M7: 5,242,059 km (0.057 R)
• M8: 5,478,872 km (0.12 R)
• M9: 7,101,710 km (0.097 R)
• M10: 7,690,378 km (0.09 R)
• M11: 8,258,251 km (0.103 R)
• M12: 8,743,397 km (0.08 R)
• M13: 10,560,263 km (0.08 R)
• M14: 11,196,503 km (0.119 R)
• M15: 11,523,973 km (0.108 R)
• M16: 13,848,275 km (0.117 R)
• M17: 21,739,263 km (0.089 R)
• M18: 32,315,683 km (0.065 R)
• M19: 37,593,197 km (0.095 R)
• M20: 46,711,636 km (0.119 R)
• M21: 54,350,402 km (0.085 R)
• M22: 58,562,330 km (0.11 R)
• M23: 65,069,539 km (0.098 R)
• M24: 65,915,365 km (0.027 R)
• M25: 71,817,300 km (0.117 R)
• M26: 76,644,075 km (0.067 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 498 - 20,325 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit