🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 299.3

Radius: 13.4

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.23

Orbit Range: 0.49 AU - 0.77 AU

Year: 351 Days

Day: 8.3 Hours

Environment

Temp: -158 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,326,912 km

• M1: 166,802 km (0.088 R)
• M2: 608,863 km (0.059 R)
• M3: 1,083,238 km (0.102 R)
• M4: 1,680,582 km (0.096 R)
• M5: 2,302,910 km (0.071 R)
• M6: 2,881,255 km (0.099 R)
• M7: 3,400,509 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.2

Radius: 13.2

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.22

Orbit Range: 0.57 AU - 0.89 AU

Year: 438 Days

Day: 13.3 Hours

Environment

Temp: -163 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 63,326,912 km

• M1: 166,802 km (0.076 R)
• M2: 674,686 km (0.072 R)
• M3: 1,612,815 km (0.045 R)
• M4: 2,314,129 km (0.061 R)
• M5: 2,851,784 km (0.101 R)
• M6: 3,784,377 km (0.111 R)
• M7: 4,866,868 km (0.115 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 220.3

Radius: 9.6

Gravity: 2.39 G

Time & Orbit

Eccentricity (e): 0.174

Orbit Range: 0.65 AU - 0.93 AU

Year: 494 Days

Day: 12.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 63,326,912 km

• M1: 119,529 km (0.057 R)
• M2: 422,315 km (0.102 R)
• M3: 924,066 km (0.118 R)
• M4: 1,246,449 km (0.098 R)
• M5: 1,677,740 km (0.112 R)
• M6: 2,175,452 km (0.098 R)
• M7: 2,835,029 km (0.107 R)
• M8: 3,434,618 km (0.102 R)
• M9: 3,759,245 km (0.04 R)
• M10: 4,079,833 km (0.109 R)
• M11: 4,418,822 km (0.048 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 725.2

Radius: 13.8

Gravity: 3.81 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 1.44 AU - 1.5 AU

Year: 1253 Days

Day: 5.2 Hours

Environment

Temp: -200 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 63,326,912 km

• M1: 171,589 km (0.039 R)
• M2: 782,546 km (0.025 R)
• M3: 2,018,374 km (0.107 R)
• M4: 2,512,496 km (0.119 R)
• M5: 2,976,848 km (0.093 R)
• M6: 3,750,269 km (0.107 R)
• M7: 4,542,988 km (0.106 R)
• M8: 5,239,067 km (0.096 R)
• M9: 5,828,931 km (0.094 R)
• M10: 6,943,436 km (0.049 R)
• M11: 8,730,831 km (0.047 R)
• M12: 9,379,936 km (0.111 R)
• M13: 9,809,581 km (0.042 R)
• M14: 11,418,357 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 304.4

Radius: 13.1

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.41 AU - 1.73 AU

Year: 1383 Days

Day: 5.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 63,326,912 km

• M1: 162,912 km (0.102 R)
• M2: 646,113 km (0.036 R)
• M3: 1,499,719 km (0.119 R)
• M4: 1,981,873 km (0.119 R)
• M5: 2,444,130 km (0.044 R)
• M6: 2,965,927 km (0.036 R)
• M7: 3,547,564 km (0.11 R)
• M8: 4,351,802 km (0.072 R)
• M9: 5,369,666 km (0.079 R)
• M10: 6,807,302 km (0.047 R)
• M11: 7,315,785 km (0.045 R)
• M12: 7,725,982 km (0.089 R)
• M13: 8,177,169 km (0.074 R)
• M14: 9,022,996 km (0.11 R)
• M15: 9,495,426 km (0.067 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 134

Radius: 10.2

Gravity: 1.29 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.46 AU - 2.3 AU

Year: 1812 Days

Day: 5.3 Hours

Environment

Temp: -191 °C

Axial Tilt: 26.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 63,326,912 km

• M1: 126,859 km (0.119 R)
• M2: 543,489 km (0.119 R)
• M3: 869,912 km (0.026 R)
• M4: 1,224,758 km (0.119 R)
• M5: 1,652,757 km (0.105 R)
• M6: 2,505,615 km (0.098 R)
• M7: 3,473,812 km (0.068 R)
• M8: 4,490,180 km (0.101 R)
• M9: 5,240,114 km (0.072 R)
• M10: 6,636,910 km (0.109 R)
• M11: 7,237,096 km (0.084 R)
• M12: 7,800,781 km (0.117 R)
• M13: 8,623,120 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.9

Radius: 8.5

Gravity: 0.95 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.55 AU - 2.69 AU

Year: 2981 Days

Day: 11.4 Hours

Environment

Temp: -214 °C

Axial Tilt: 8.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 63,326,912 km

• M1: 105,766 km (0.093 R)
• M2: 612,304 km (0.089 R)
• M3: 1,038,957 km (0.091 R)
• M4: 2,157,949 km (0.09 R)
• M5: 2,746,617 km (0.081 R)
• M6: 4,903,070 km (0.076 R)
• M7: 5,939,035 km (0.085 R)
• M8: 6,475,493 km (0.063 R)
• M9: 6,997,291 km (0.112 R)
• M10: 7,400,607 km (0.053 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.5

Radius: 8.9

Gravity: 12.44 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 2.66 AU - 3.3 AU

Year: 3616 Days

Day: 9.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 63,326,912 km

• M1: 110,702 km (0.098 R)
• M2: 447,896 km (0.115 R)
• M3: 1,007,093 km (0.094 R)
• M4: 1,355,207 km (0.076 R)
• M5: 1,745,807 km (0.106 R)
• M6: 2,051,735 km (0.085 R)
• M7: 2,424,981 km (0.115 R)
• M8: 2,843,257 km (0.057 R)
• M9: 4,322,930 km (0.105 R)
• M10: 4,711,585 km (0.095 R)
• M11: 5,872,764 km (0.102 R)
• M12: 6,567,047 km (0.11 R)
• M13: 7,382,655 km (0.081 R)
• M14: 8,191,381 km (0.095 R)
• M15: 8,486,089 km (0.12 R)
• M16: 9,452,940 km (0.06 R)
• M17: 9,736,428 km (0.12 R)
• M18: 10,151,412 km (0.082 R)
• M19: 11,376,020 km (0.058 R)
• M20: 12,647,453 km (0.11 R)
• M21: 15,192,861 km (0.052 R)
• M22: 15,638,662 km (0.067 R)
• M23: 16,439,759 km (0.099 R)
• M24: 16,850,405 km (0.096 R)
• M25: 17,147,806 km (0.098 R)
• M26: 20,860,226 km (0.067 R)
• M27: 23,563,460 km (0.088 R)
• M28: 27,137,951 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 739.9

Radius: 4

Gravity: 46.24 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 6.04 AU - 9.08 AU

Year: 14611 Days

Day: 22.3 Hours

Environment

Temp: -221 °C

Axial Tilt: 18.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 63,326,912 km

• M1: 59,690 km (0.108 R)
• M2: 188,793 km (0.108 R)
• M3: 555,906 km (0.065 R)
• M4: 714,330 km (0.052 R)
• M5: 1,003,353 km (0.1 R)
• M6: 1,394,701 km (0.054 R)
• M7: 1,775,428 km (0.095 R)
• M8: 2,344,498 km (0.077 R)
• M9: 3,359,968 km (0.068 R)
• M10: 4,379,029 km (0.113 R)
• M11: 5,258,216 km (0.098 R)
• M12: 6,128,875 km (0.106 R)
• M13: 6,619,407 km (0.087 R)
• M14: 7,403,449 km (0.104 R)
• M15: 8,692,833 km (0.111 R)
• M16: 9,258,612 km (0.084 R)
• M17: 9,903,379 km (0.029 R)
• M18: 10,867,238 km (0.062 R)
• M19: 11,402,051 km (0.116 R)
• M20: 12,913,887 km (0.072 R)
• M21: 14,062,200 km (0.074 R)
• M22: 15,947,432 km (0.115 R)
• M23: 16,482,394 km (0.118 R)
• M24: 22,034,121 km (0.093 R)
• M25: 26,425,716 km (0.114 R)
• M26: 28,046,758 km (0.109 R)
• M27: 30,776,321 km (0.041 R)
• M28: 32,569,252 km (0.098 R)
• M29: 33,429,290 km (0.113 R)
• M30: 35,323,049 km (0.1 R)
• M31: 36,230,809 km (0.084 R)
• M32: 39,599,604 km (0.102 R)
• M33: 40,157,304 km (0.057 R)
• M34: 45,566,464 km (0.101 R)
• M35: 50,130,695 km (0.06 R)
• M36: 54,301,933 km (0.104 R)
• M37: 54,817,597 km (0.081 R)
• M38: 55,336,402 km (0.116 R)
• M39: 56,208,408 km (0.037 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 199 - 16,592 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit