🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.54 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.06

Radius: 1.75

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 0.42 AU - 0.66 AU

Year: 148 Days

Day: 43.2 Hours

Environment

Temp: 179 °C

Axial Tilt: 35.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (2)

Outer Limit: 45,706,286 km

• M1: 73,752 km (0.034 R)
• M2: 186,399 km (0.067 R)

Planet 2 - Terrestrial

Semi-Major Axis: 0.84 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.19

Radius: 1.77

Gravity: 1.34 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 0.7 AU - 0.98 AU

Year: 287 Days

Day: 24.9 Hours

Environment

Temp: 144 °C

Axial Tilt: 39.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 3 - Gas Giant

Semi-Major Axis: 7.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 718.4

Radius: 9.4

Gravity: 8.13 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 5.75 AU - 8.39 AU

Year: 7008 Days

Day: 12.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 45,706,286 km

• M1: 119,678 km (0.082 R)
• M2: 423,362 km (0.056 R)
• M3: 870,809 km (0.044 R)
• M4: 1,348,625 km (0.107 R)
• M5: 2,010,296 km (0.067 R)
• M6: 5,168,307 km (0.033 R)
• M7: 6,489,855 km (0.112 R)
• M8: 6,916,209 km (0.105 R)
• M9: 7,746,477 km (0.108 R)
• M10: 8,267,377 km (0.098 R)
• M11: 8,768,829 km (0.118 R)
• M12: 11,741,189 km (0.089 R)
• M13: 12,428,890 km (0.096 R)
• M14: 13,031,620 km (0.08 R)
• M15: 15,576,280 km (0.07 R)
• M16: 17,198,818 km (0.089 R)
• M17: 18,931,162 km (0.112 R)
• M18: 19,363,799 km (0.107 R)
• M19: 20,024,872 km (0.052 R)
• M20: 20,323,469 km (0.049 R)
• M21: 22,658,841 km (0.083 R)
• M22: 23,392,918 km (0.096 R)
• M23: 25,167,448 km (0.071 R)
• M24: 30,630,762 km (0.045 R)
• M25: 31,730,008 km (0.069 R)
• M26: 32,545,765 km (0.096 R)
• M27: 34,006,887 km (0.11 R)
• M28: 35,949,116 km (0.098 R)
• M29: 37,623,266 km (0.054 R)
• M30: 38,422,119 km (0.064 R)

Planet 4 - Gas Giant

Semi-Major Axis: 7.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 681.7

Radius: 13.4

Gravity: 3.8 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 6.07 AU - 9.89 AU

Year: 8403 Days

Day: 14.2 Hours

Environment

Temp: -172 °C

Axial Tilt: 7.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 45,706,286 km

• M1: 167,998 km (0.104 R)
• M2: 974,630 km (0.084 R)
• M3: 1,986,660 km (0.095 R)
• M4: 3,518,243 km (0.067 R)
• M5: 4,191,583 km (0.113 R)
• M6: 4,831,862 km (0.114 R)
• M7: 6,962,883 km (0.089 R)
• M8: 7,423,495 km (0.091 R)
• M9: 7,904,452 km (0.042 R)
• M10: 8,752,523 km (0.114 R)
• M11: 9,660,432 km (0.074 R)
• M12: 10,882,348 km (0.116 R)
• M13: 11,557,333 km (0.053 R)
• M14: 13,106,120 km (0.078 R)
• M15: 13,751,036 km (0.035 R)
• M16: 14,540,464 km (0.079 R)
• M17: 15,683,093 km (0.088 R)
• M18: 16,477,457 km (0.105 R)
• M19: 21,900,829 km (0.075 R)
• M20: 25,147,252 km (0.087 R)
• M21: 27,735,894 km (0.058 R)
• M22: 31,112,318 km (0.099 R)
• M23: 33,113,788 km (0.119 R)
• M24: 33,654,584 km (0.092 R)
• M25: 37,139,467 km (0.113 R)
• M26: 39,997,534 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.4

Radius: 8.1

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 9.34 AU - 10.62 AU

Year: 11753 Days

Day: 10.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 47.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,706,286 km

• M1: 100,829 km (0.071 R)
• M2: 651,349 km (0.099 R)
• M3: 1,283,251 km (0.049 R)
• M4: 1,715,588 km (0.119 R)
• M5: 2,258,030 km (0.08 R)
• M6: 3,592,593 km (0.108 R)
• M7: 6,579,913 km (0.085 R)
• M8: 8,364,765 km (0.073 R)
• M9: 9,011,626 km (0.087 R)
• M10: 10,868,136 km (0.036 R)
• M11: 11,152,671 km (0.113 R)
• M12: 17,488,589 km (0.095 R)
• M13: 18,544,750 km (0.096 R)
• M14: 23,040,914 km (0.098 R)
• M15: 24,309,205 km (0.12 R)
• M16: 26,383,080 km (0.117 R)
• M17: 30,690,602 km (0.102 R)
• M18: 32,714,362 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 10.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.5

Radius: 12.4

Gravity: 2.65 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 7.87 AU - 12.45 AU

Year: 12072 Days

Day: 9.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 45,706,286 km

• M1: 154,235 km (0.097 R)
• M2: 652,546 km (0.097 R)
• M3: 1,132,905 km (0.119 R)
• M4: 1,717,982 km (0.11 R)
• M5: 2,140,895 km (0.113 R)
• M6: 2,595,074 km (0.045 R)
• M7: 3,047,757 km (0.088 R)
• M8: 4,141,318 km (0.103 R)
• M9: 4,675,382 km (0.092 R)
• M10: 5,318,952 km (0.063 R)
• M11: 5,814,121 km (0.062 R)
• M12: 6,304,054 km (0.063 R)
• M13: 7,168,730 km (0.095 R)
• M14: 7,650,585 km (0.089 R)
• M15: 10,442,829 km (0.107 R)
• M16: 12,151,536 km (0.043 R)
• M17: 12,663,909 km (0.082 R)
• M18: 14,924,183 km (0.076 R)
• M19: 16,047,962 km (0.042 R)
• M20: 17,585,080 km (0.094 R)
• M21: 21,275,959 km (0.116 R)
• M22: 23,128,728 km (0.102 R)
• M23: 29,432,184 km (0.036 R)
• M24: 33,361,672 km (0.112 R)
• M25: 34,707,753 km (0.112 R)
• M26: 36,794,344 km (0.117 R)
• M27: 39,954,151 km (0.062 R)

Kuiper Belt

Range: 30 - 56 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 384 - 17,400 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit