🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 514.4

Radius: 12.3

Gravity: 3.4 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.55 AU - 0.77 AU

Year: 377 Days

Day: 10.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 93,353,132 km

• M1: 153,637 km (0.071 R)
• M2: 585,376 km (0.087 R)
• M3: 990,637 km (0.058 R)
• M4: 1,462,020 km (0.083 R)
• M5: 1,879,996 km (0.076 R)
• M6: 2,510,103 km (0.056 R)
• M7: 3,266,619 km (0.051 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 852.1

Radius: 8.6

Gravity: 11.52 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.74 AU - 0.82 AU

Year: 484 Days

Day: 10.3 Hours

Environment

Temp: -174 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 93,353,132 km

• M1: 106,962 km (0.112 R)
• M2: 434,731 km (0.083 R)
• M3: 742,005 km (0.041 R)
• M4: 1,121,984 km (0.112 R)
• M5: 1,622,239 km (0.105 R)
• M6: 1,932,804 km (0.096 R)
• M7: 2,283,312 km (0.118 R)
• M8: 2,686,628 km (0.118 R)
• M9: 3,148,886 km (0.106 R)
• M10: 4,232,573 km (0.104 R)
• M11: 4,515,761 km (0.115 R)
• M12: 4,859,537 km (0.034 R)
• M13: 5,153,796 km (0.071 R)
• M14: 5,814,420 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.6

Radius: 13.6

Gravity: 0.35 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 1.61 AU - 1.77 AU

Year: 1544 Days

Day: 5.1 Hours

Environment

Temp: -186 °C

Axial Tilt: 43.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 93,353,132 km

• M1: 169,195 km (0.062 R)
• M2: 900,729 km (0.026 R)
• M3: 2,490,954 km (0.119 R)
• M4: 3,421,902 km (0.098 R)
• M5: 4,890,654 km (0.069 R)
• M6: 5,403,026 km (0.087 R)
• M7: 6,202,477 km (0.069 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 546.1

Radius: 12.7

Gravity: 3.39 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 2.25 AU - 2.89 AU

Year: 2896 Days

Day: 10.2 Hours

Environment

Temp: -206 °C

Axial Tilt: 177 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 93,353,132 km

• M1: 158,125 km (0.099 R)
• M2: 568,023 km (0.104 R)
• M3: 985,252 km (0.079 R)
• M4: 1,628,822 km (0.107 R)
• M5: 2,199,986 km (0.099 R)
• M6: 3,368,495 km (0.079 R)
• M7: 3,769,418 km (0.104 R)
• M8: 4,222,849 km (0.081 R)
• M9: 5,360,241 km (0.084 R)
• M10: 5,807,240 km (0.111 R)
• M11: 6,608,037 km (0.119 R)
• M12: 7,035,438 km (0.102 R)
• M13: 7,633,979 km (0.101 R)
• M14: 9,210,143 km (0.049 R)
• M15: 10,604,245 km (0.067 R)
• M16: 11,311,843 km (0.104 R)
• M17: 11,967,082 km (0.108 R)
• M18: 14,178,737 km (0.07 R)
• M19: 16,134,729 km (0.085 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 38.1

Radius: 11.5

Gravity: 0.29 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 2.2 AU - 3.5 AU

Year: 3382 Days

Day: 5.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 93,353,132 km

• M1: 143,165 km (0.117 R)
• M2: 560,992 km (0.095 R)
• M3: 1,152,352 km (0.098 R)
• M4: 1,787,096 km (0.101 R)
• M5: 2,598,665 km (0.078 R)
• M6: 3,556,540 km (0.114 R)
• M7: 4,908,605 km (0.091 R)
• M8: 6,641,697 km (0.104 R)
• M9: 8,217,710 km (0.042 R)
• M10: 8,647,804 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.5

Radius: 14.4

Gravity: 1.05 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 3.55 AU - 3.97 AU

Year: 5125 Days

Day: 5.6 Hours

Environment

Temp: -226 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 93,353,132 km

• M1: 179,069 km (0.119 R)
• M2: 717,621 km (0.049 R)
• M3: 1,599,650 km (0.118 R)
• M4: 2,504,119 km (0.079 R)
• M5: 3,015,145 km (0.104 R)
• M6: 3,558,634 km (0.114 R)
• M7: 4,024,183 km (0.117 R)
• M8: 4,574,703 km (0.1 R)
• M9: 5,032,323 km (0.113 R)
• M10: 7,209,570 km (0.107 R)
• M11: 12,795,555 km (0.12 R)
• M12: 15,064,356 km (0.115 R)
• M13: 16,032,553 km (0.061 R)
• M14: 18,491,344 km (0.079 R)
• M15: 20,755,657 km (0.079 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.34 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 926.4

Radius: 7

Gravity: 18.91 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 8.73 AU - 11.95 AU

Year: 23372 Days

Day: 23 Hours

Environment

Temp: -232 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 93,353,132 km

• M1: 87,365 km (0.06 R)
• M2: 311,463 km (0.1 R)
• M3: 1,192,445 km (0.099 R)
• M4: 1,597,406 km (0.062 R)
• M5: 1,862,344 km (0.078 R)
• M6: 2,156,453 km (0.082 R)
• M7: 3,200,796 km (0.105 R)
• M8: 3,562,075 km (0.109 R)
• M9: 4,259,650 km (0.056 R)
• M10: 4,849,664 km (0.055 R)
• M11: 5,534,822 km (0.064 R)
• M12: 6,801,467 km (0.079 R)
• M13: 7,924,050 km (0.097 R)
• M14: 8,814,606 km (0.12 R)
• M15: 11,605,952 km (0.095 R)
• M16: 11,956,460 km (0.107 R)
• M17: 14,050,980 km (0.11 R)
• M18: 24,651,036 km (0.105 R)
• M19: 29,802,738 km (0.11 R)
• M20: 33,046,618 km (0.09 R)
• M21: 34,609,168 km (0.079 R)
• M22: 38,187,998 km (0.075 R)
• M23: 39,591,226 km (0.09 R)
• M24: 40,385,591 km (0.062 R)
• M25: 44,517,035 km (0.082 R)
• M26: 61,291,444 km (0.096 R)
• M27: 75,591,355 km (0.074 R)
• M28: 77,799,869 km (0.053 R)
• M29: 87,599,876 km (0.12 R)
• M30: 91,961,102 km (0.089 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 219 - 10,265 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit