🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 315.1

Radius: 12.6

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 0.75 AU - 0.93 AU

Year: 497 Days

Day: 10.5 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 71,539,641 km

• M1: 157,377 km (0.057 R)
• M2: 598,242 km (0.106 R)
• M3: 2,010,895 km (0.075 R)
• M4: 2,987,918 km (0.086 R)
• M5: 4,759,456 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.3

Radius: 9.2

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 0.92 AU - 1.16 AU

Year: 685 Days

Day: 12 Hours

Environment

Temp: -171 °C

Axial Tilt: 127.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 71,539,641 km

• M1: 114,442 km (0.055 R)
• M2: 516,861 km (0.06 R)
• M3: 857,196 km (0.074 R)
• M4: 1,540,858 km (0.06 R)
• M5: 1,851,274 km (0.047 R)
• M6: 2,368,583 km (0.117 R)
• M7: 3,034,742 km (0.112 R)
• M8: 3,578,082 km (0.118 R)
• M9: 4,498,707 km (0.113 R)
• M10: 5,352,612 km (0.109 R)
• M11: 5,879,496 km (0.105 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 91.2

Radius: 8.2

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 1.07 AU - 1.11 AU

Year: 735 Days

Day: 15 Hours

Environment

Temp: -168 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 71,539,641 km

• M1: 102,026 km (0.087 R)
• M2: 362,326 km (0.103 R)
• M3: 664,663 km (0.115 R)
• M4: 1,274,574 km (0.033 R)
• M5: 2,145,233 km (0.06 R)
• M6: 3,718,704 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 269.6

Radius: 8.4

Gravity: 3.82 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 1.36 AU - 1.74 AU

Year: 1246 Days

Day: 12.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 5.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 71,539,641 km

• M1: 104,419 km (0.113 R)
• M2: 453,880 km (0.112 R)
• M3: 788,082 km (0.057 R)
• M4: 1,186,760 km (0.062 R)
• M5: 2,050,538 km (0.074 R)
• M6: 2,685,431 km (0.066 R)
• M7: 3,036,388 km (0.117 R)
• M8: 3,376,873 km (0.054 R)
• M9: 3,656,022 km (0.098 R)
• M10: 4,245,139 km (0.086 R)
• M11: 4,808,973 km (0.064 R)
• M12: 5,199,872 km (0.055 R)
• M13: 5,924,973 km (0.086 R)
• M14: 6,737,439 km (0.045 R)
• M15: 7,388,340 km (0.088 R)
• M16: 7,958,008 km (0.088 R)
• M17: 8,556,849 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.8

Radius: 12.4

Gravity: 2.78 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 1.59 AU - 1.69 AU

Year: 1356 Days

Day: 7.8 Hours

Environment

Temp: -191 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,539,641 km

• M1: 154,235 km (0.118 R)
• M2: 547,827 km (0.12 R)
• M3: 984,204 km (0.098 R)
• M4: 1,918,144 km (0.077 R)
• M5: 2,562,013 km (0.039 R)
• M6: 3,232,960 km (0.102 R)
• M7: 3,842,122 km (0.102 R)
• M8: 4,301,238 km (0.079 R)
• M9: 5,001,954 km (0.049 R)
• M10: 5,510,587 km (0.058 R)
• M11: 6,010,394 km (0.111 R)
• M12: 6,724,125 km (0.097 R)
• M13: 7,618,720 km (0.102 R)
• M14: 8,161,013 km (0.063 R)
• M15: 8,563,880 km (0.076 R)
• M16: 9,207,749 km (0.094 R)
• M17: 9,733,885 km (0.085 R)
• M18: 10,404,083 km (0.11 R)

Asteroid Belt

Center: 2.01 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 2.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 83

Radius: 13.9

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.89 AU - 2.87 AU

Year: 2371 Days

Day: 12.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 71,539,641 km

• M1: 173,085 km (0.092 R)
• M2: 620,682 km (0.093 R)
• M3: 1,063,192 km (0.104 R)
• M4: 1,993,990 km (0.106 R)
• M5: 2,575,627 km (0.04 R)
• M6: 3,269,312 km (0.052 R)
• M7: 3,962,997 km (0.112 R)
• M8: 4,874,347 km (0.094 R)
• M9: 5,512,233 km (0.03 R)
• M10: 6,329,785 km (0.043 R)
• M11: 6,779,028 km (0.088 R)
• M12: 8,182,106 km (0.084 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.3

Radius: 14.6

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 2.81 AU - 4.55 AU

Year: 4558 Days

Day: 8.2 Hours

Environment

Temp: -217 °C

Axial Tilt: 167.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 71,539,641 km

• M1: 181,612 km (0.102 R)
• M2: 697,724 km (0.092 R)
• M3: 1,200,074 km (0.046 R)
• M4: 1,778,120 km (0.113 R)
• M5: 2,426,328 km (0.112 R)
• M6: 2,943,637 km (0.09 R)
• M7: 5,270,632 km (0.115 R)
• M8: 6,825,702 km (0.105 R)
• M9: 7,427,534 km (0.118 R)
• M10: 10,352,322 km (0.042 R)
• M11: 11,603,708 km (0.032 R)
• M12: 13,272,772 km (0.091 R)
• M13: 14,261,315 km (0.113 R)
• M14: 15,552,643 km (0.12 R)
• M15: 16,226,881 km (0.12 R)
• M16: 17,633,849 km (0.106 R)
• M17: 18,945,074 km (0.092 R)
• M18: 19,774,445 km (0.034 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.13 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 396.2

Radius: 6.8

Gravity: 8.57 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 10.95 AU - 11.31 AU

Year: 23975 Days

Day: 19.5 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 71,539,641 km

• M1: 88,412 km (0.117 R)
• M2: 736,919 km (0.105 R)
• M3: 1,047,933 km (0.107 R)
• M4: 1,721,273 km (0.068 R)
• M5: 2,382,346 km (0.118 R)
• M6: 2,843,706 km (0.077 R)
• M7: 3,474,261 km (0.095 R)
• M8: 3,762,985 km (0.044 R)
• M9: 4,005,483 km (0.096 R)
• M10: 4,455,025 km (0.114 R)
• M11: 4,692,137 km (0.081 R)
• M12: 6,006,953 km (0.096 R)
• M13: 6,859,810 km (0.045 R)
• M14: 9,787,889 km (0.09 R)
• M15: 10,904,189 km (0.096 R)
• M16: 11,651,580 km (0.1 R)
• M17: 11,908,140 km (0.058 R)
• M18: 13,387,364 km (0.076 R)
• M19: 13,811,025 km (0.078 R)
• M20: 14,834,723 km (0.056 R)
• M21: 18,992,198 km (0.048 R)
• M22: 20,441,352 km (0.087 R)
• M23: 25,336,344 km (0.115 R)
• M24: 26,203,264 km (0.072 R)
• M25: 31,204,620 km (0.108 R)
• M26: 34,386,417 km (0.11 R)
• M27: 40,500,183 km (0.095 R)
• M28: 40,941,646 km (0.117 R)
• M29: 43,966,964 km (0.104 R)
• M30: 47,300,453 km (0.026 R)
• M31: 49,446,285 km (0.107 R)
• M32: 51,656,145 km (0.119 R)
• M33: 56,089,478 km (0.082 R)
• M34: 61,736,049 km (0.094 R)
• M35: 64,097,003 km (0.117 R)
• M36: 71,539,647 km (0.115 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 426 - 11,285 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit