🌌 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: 264.1

Radius: 9.8

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 0.43 AU - 0.63 AU

Year: 262 Days

Day: 14.8 Hours

Environment

Temp: -152 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,579,113 km

• M1: 121,922 km (0.096 R)
• M2: 432,487 km (0.11 R)
• M3: 832,512 km (0.117 R)
• M4: 1,423,424 km (0.079 R)
• M5: 2,020,020 km (0.08 R)
• M6: 2,332,680 km (0.116 R)
• M7: 2,817,227 km (0.044 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 245

Radius: 8.8

Gravity: 3.16 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 0.56 AU - 0.62 AU

Year: 307 Days

Day: 8.9 Hours

Environment

Temp: -143 °C

Axial Tilt: 34.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,579,113 km

• M1: 109,805 km (0.099 R)
• M2: 475,572 km (0.036 R)
• M3: 749,336 km (0.045 R)
• M4: 1,033,572 km (0.052 R)
• M5: 2,106,637 km (0.028 R)
• M6: 2,665,236 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 347.5

Radius: 14.8

Gravity: 1.59 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.54 AU - 0.8 AU

Year: 372 Days

Day: 6.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,579,113 km

• M1: 187,596 km (0.06 R)
• M2: 690,544 km (0.096 R)
• M3: 1,222,663 km (0.061 R)
• M4: 1,698,983 km (0.118 R)
• M5: 2,178,295 km (0.069 R)
• M6: 3,067,056 km (0.062 R)
• M7: 3,558,485 km (0.096 R)
• M8: 4,031,812 km (0.062 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.7

Radius: 11.9

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.63 AU - 0.73 AU

Year: 380 Days

Day: 9.9 Hours

Environment

Temp: -157 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,579,113 km

• M1: 147,952 km (0.095 R)
• M2: 616,194 km (0.107 R)
• M3: 1,011,880 km (0.075 R)
• M4: 1,385,875 km (0.103 R)
• M5: 2,015,383 km (0.027 R)
• M6: 2,541,219 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.4

Radius: 12

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 1.01 AU - 1.11 AU

Year: 740 Days

Day: 15 Hours

Environment

Temp: -170 °C

Axial Tilt: 7.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 44,579,113 km

• M1: 149,299 km (0.059 R)
• M2: 926,011 km (0.071 R)
• M3: 1,570,778 km (0.115 R)
• M4: 1,959,732 km (0.052 R)
• M5: 2,371,575 km (0.082 R)
• M6: 2,865,398 km (0.086 R)
• M7: 3,360,118 km (0.031 R)
• M8: 4,248,580 km (0.1 R)
• M9: 5,379,839 km (0.047 R)
• M10: 6,259,624 km (0.116 R)
• M11: 7,255,796 km (0.047 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 571.2

Radius: 10.3

Gravity: 5.38 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 1.09 AU - 1.23 AU

Year: 847 Days

Day: 13.4 Hours

Environment

Temp: -175 °C

Axial Tilt: 148 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 44,579,113 km

• M1: 128,205 km (0.111 R)
• M2: 502,050 km (0.054 R)
• M3: 883,824 km (0.057 R)
• M4: 1,225,955 km (0.077 R)
• M5: 1,578,407 km (0.117 R)
• M6: 2,074,623 km (0.043 R)
• M7: 2,627,387 km (0.061 R)
• M8: 2,969,967 km (0.053 R)
• M9: 3,342,316 km (0.031 R)
• M10: 3,833,595 km (0.036 R)
• M11: 4,197,866 km (0.1 R)
• M12: 5,736,480 km (0.079 R)
• M13: 6,276,229 km (0.107 R)
• M14: 6,762,572 km (0.114 R)
• M15: 7,388,340 km (0.053 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 376.4

Radius: 8.4

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 1.97 AU - 2.87 AU

Year: 2553 Days

Day: 10.4 Hours

Environment

Temp: -216 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 44,579,113 km

• M1: 104,569 km (0.096 R)
• M2: 581,188 km (0.073 R)
• M3: 861,534 km (0.047 R)
• M4: 1,284,148 km (0.092 R)
• M5: 1,622,389 km (0.103 R)
• M6: 2,211,206 km (0.077 R)
• M7: 2,701,887 km (0.089 R)
• M8: 3,279,335 km (0.06 R)
• M9: 3,791,408 km (0.041 R)
• M10: 4,515,462 km (0.087 R)
• M11: 6,673,711 km (0.091 R)
• M12: 7,159,604 km (0.097 R)
• M13: 7,610,941 km (0.079 R)
• M14: 8,292,958 km (0.088 R)
• M15: 11,547,609 km (0.076 R)
• M16: 12,771,170 km (0.101 R)
• M17: 14,122,787 km (0.06 R)
• M18: 14,608,681 km (0.097 R)
• M19: 15,197,199 km (0.108 R)
• M20: 15,613,829 km (0.104 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 778.6

Radius: 9.5

Gravity: 8.63 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 3.94 AU - 5.16 AU

Year: 6583 Days

Day: 7.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 44,579,113 km

• M1: 118,182 km (0.098 R)
• M2: 652,995 km (0.11 R)
• M3: 955,482 km (0.103 R)
• M4: 1,474,287 km (0.103 R)
• M5: 4,396,681 km (0.037 R)
• M6: 5,153,347 km (0.083 R)
• M7: 7,217,499 km (0.106 R)
• M8: 7,634,279 km (0.084 R)
• M9: 8,683,558 km (0.118 R)
• M10: 8,981,707 km (0.119 R)
• M11: 10,056,866 km (0.094 R)
• M12: 10,385,982 km (0.041 R)
• M13: 10,917,802 km (0.087 R)
• M14: 17,413,043 km (0.073 R)
• M15: 18,302,701 km (0.098 R)
• M16: 20,098,474 km (0.068 R)
• M17: 20,546,220 km (0.104 R)
• M18: 22,564,445 km (0.108 R)
• M19: 23,129,626 km (0.099 R)
• M20: 23,621,504 km (0.075 R)
• M21: 25,659,176 km (0.068 R)
• M22: 26,009,983 km (0.072 R)
• M23: 32,985,582 km (0.092 R)
• M24: 35,852,925 km (0.066 R)
• M25: 36,181,442 km (0.106 R)
• M26: 36,844,460 km (0.103 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 601.4

Radius: 3.3

Gravity: 55.22 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 5.27 AU - 6.41 AU

Year: 9572 Days

Day: 24.4 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 44,579,113 km

• M1: 40,990 km (0.09 R)
• M2: 194,328 km (0.114 R)
• M3: 322,982 km (0.092 R)
• M4: 508,782 km (0.063 R)
• M5: 2,242,622 km (0.089 R)
• M6: 2,662,693 km (0.085 R)
• M7: 2,956,054 km (0.084 R)
• M8: 3,293,846 km (0.072 R)
• M9: 3,435,964 km (0.093 R)
• M10: 4,126,657 km (0.11 R)
• M11: 5,541,704 km (0.093 R)
• M12: 9,049,325 km (0.075 R)
• M13: 9,517,716 km (0.094 R)
• M14: 9,661,330 km (0.102 R)
• M15: 10,150,365 km (0.08 R)
• M16: 11,881,362 km (0.038 R)
• M17: 13,138,732 km (0.109 R)
• M18: 16,320,828 km (0.101 R)
• M19: 18,755,534 km (0.099 R)
• M20: 18,905,730 km (0.044 R)
• M21: 19,285,110 km (0.091 R)
• M22: 20,058,830 km (0.079 R)
• M23: 20,533,056 km (0.104 R)
• M24: 22,000,012 km (0.1 R)
• M25: 26,533,277 km (0.089 R)
• M26: 27,296,525 km (0.117 R)
• M27: 27,489,656 km (0.062 R)
• M28: 28,468,624 km (0.097 R)
• M29: 29,268,524 km (0.074 R)
• M30: 30,083,085 km (0.117 R)
• M31: 31,544,955 km (0.08 R)
• M32: 34,948,905 km (0.118 R)
• M33: 36,798,084 km (0.116 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 292 - 13,926 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit