🌌 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: 783.5

Radius: 11.8

Gravity: 5.63 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 0.52 AU - 0.54 AU

Year: 266 Days

Day: 11.8 Hours

Environment

Temp: -149 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,654,205 km

• M1: 146,905 km (0.088 R)
• M2: 530,324 km (0.093 R)
• M3: 964,457 km (0.105 R)
• M4: 2,402,392 km (0.118 R)
• M5: 3,093,385 km (0.079 R)
• M6: 3,480,843 km (0.102 R)
• M7: 4,056,496 km (0.119 R)
• M8: 4,444,702 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 420.2

Radius: 9.5

Gravity: 4.66 G

Time & Orbit

Eccentricity (e): 0.191

Orbit Range: 1.04 AU - 1.52 AU

Year: 1000 Days

Day: 13.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,654,205 km

• M1: 118,182 km (0.076 R)
• M2: 482,902 km (0.108 R)
• M3: 845,378 km (0.111 R)
• M4: 1,148,762 km (0.098 R)
• M5: 1,526,796 km (0.056 R)
• M6: 1,833,023 km (0.071 R)
• M7: 2,397,455 km (0.093 R)
• M8: 3,241,786 km (0.088 R)
• M9: 3,887,151 km (0.066 R)
• M10: 4,272,515 km (0.104 R)
• M11: 5,451,496 km (0.117 R)
• M12: 5,995,583 km (0.062 R)
• M13: 8,213,521 km (0.091 R)
• M14: 8,591,705 km (0.092 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 721.6

Radius: 9.8

Gravity: 7.51 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 1.18 AU - 1.46 AU

Year: 1047 Days

Day: 12.4 Hours

Environment

Temp: -193 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,654,205 km

• M1: 121,922 km (0.11 R)
• M2: 489,634 km (0.107 R)
• M3: 1,780,514 km (0.076 R)
• M4: 2,344,199 km (0.085 R)
• M5: 3,257,643 km (0.06 R)
• M6: 3,579,727 km (0.099 R)
• M7: 4,392,343 km (0.106 R)
• M8: 7,297,534 km (0.114 R)
• M9: 8,654,386 km (0.114 R)
• M10: 9,480,466 km (0.032 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.6

Radius: 10.8

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 2.15 AU - 3.49 AU

Year: 3269 Days

Day: 5.8 Hours

Environment

Temp: -208 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,654,205 km

• M1: 134,339 km (0.07 R)
• M2: 556,055 km (0.078 R)
• M3: 1,026,391 km (0.076 R)
• M4: 1,374,056 km (0.115 R)
• M5: 1,874,312 km (0.082 R)
• M6: 2,234,843 km (0.087 R)
• M7: 4,014,459 km (0.115 R)
• M8: 5,773,131 km (0.109 R)
• M9: 6,568,693 km (0.086 R)
• M10: 7,317,430 km (0.031 R)
• M11: 8,046,570 km (0.081 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 727.6

Radius: 8.5

Gravity: 10.07 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 3.68 AU - 3.78 AU

Year: 4972 Days

Day: 7.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 64,654,205 km

• M1: 108,010 km (0.04 R)
• M2: 502,649 km (0.056 R)
• M3: 859,589 km (0.047 R)
• M4: 1,146,219 km (0.112 R)
• M5: 1,497,624 km (0.091 R)
• M6: 2,078,214 km (0.025 R)
• M7: 2,837,872 km (0.111 R)
• M8: 3,617,277 km (0.11 R)
• M9: 4,634,243 km (0.113 R)
• M10: 5,278,860 km (0.09 R)
• M11: 5,564,742 km (0.109 R)
• M12: 6,388,278 km (0.081 R)
• M13: 7,186,682 km (0.047 R)
• M14: 9,597,601 km (0.052 R)
• M15: 10,375,061 km (0.104 R)
• M16: 10,733,647 km (0.051 R)
• M17: 11,193,661 km (0.092 R)
• M18: 16,182,750 km (0.094 R)
• M19: 17,660,178 km (0.111 R)
• M20: 21,166,154 km (0.11 R)
• M21: 21,671,047 km (0.054 R)
• M22: 22,406,171 km (0.107 R)
• M23: 23,157,750 km (0.091 R)
• M24: 25,921,272 km (0.082 R)
• M25: 27,595,272 km (0.069 R)
• M26: 28,024,768 km (0.056 R)
• M27: 29,073,748 km (0.086 R)
• M28: 29,967,894 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.9

Radius: 10

Gravity: 1.67 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 3.72 AU - 3.74 AU

Year: 4972 Days

Day: 5.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 64,654,205 km

• M1: 124,316 km (0.033 R)
• M2: 499,956 km (0.115 R)
• M3: 931,546 km (0.102 R)
• M4: 1,905,877 km (0.099 R)
• M5: 2,659,102 km (0.077 R)
• M6: 3,804,124 km (0.094 R)
• M7: 6,390,671 km (0.084 R)
• M8: 7,062,515 km (0.06 R)
• M9: 7,475,705 km (0.119 R)
• M10: 8,189,586 km (0.104 R)
• M11: 9,538,809 km (0.057 R)
• M12: 10,044,300 km (0.097 R)
• M13: 10,682,036 km (0.1 R)
• M14: 11,506,919 km (0.099 R)
• M15: 12,975,371 km (0.086 R)
• M16: 14,098,103 km (0.055 R)

Asteroid Belt

Center: 5.82 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 712.9

Radius: 3.8

Gravity: 49.37 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 7.3 AU - 8.52 AU

Year: 15356 Days

Day: 21.5 Hours

Environment

Temp: -235 °C

Axial Tilt: 39.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 64,654,205 km

• M1: 47,273 km (0.071 R)
• M2: 269,725 km (0.085 R)
• M3: 476,619 km (0.076 R)
• M4: 1,290,880 km (0.063 R)
• M5: 3,676,966 km (0.106 R)
• M6: 4,833,806 km (0.109 R)
• M7: 8,367,906 km (0.052 R)
• M8: 8,517,056 km (0.06 R)
• M9: 9,449,649 km (0.058 R)
• M10: 10,448,214 km (0.077 R)
• M11: 10,854,971 km (0.046 R)
• M12: 13,519,608 km (0.088 R)
• M13: 13,725,156 km (0.11 R)
• M14: 17,789,880 km (0.103 R)
• M15: 18,875,960 km (0.113 R)
• M16: 19,391,774 km (0.071 R)
• M17: 19,653,121 km (0.11 R)
• M18: 23,961,241 km (0.061 R)
• M19: 24,871,843 km (0.063 R)
• M20: 26,015,818 km (0.064 R)
• M21: 29,657,479 km (0.119 R)
• M22: 30,237,320 km (0.103 R)
• M23: 30,471,441 km (0.069 R)
• M24: 34,382,079 km (0.117 R)
• M25: 40,712,313 km (0.115 R)
• M26: 42,152,491 km (0.048 R)
• M27: 46,365,167 km (0.113 R)
• M28: 46,832,361 km (0.1 R)
• M29: 55,090,463 km (0.049 R)
• M30: 60,854,768 km (0.089 R)
• M31: 62,735,363 km (0.101 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: 447 - 11,037 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit