🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 846.8

Radius: 8.4

Gravity: 12 G

Time & Orbit

Eccentricity (e): 0.08

Orbit Range: 0.52 AU - 0.62 AU

Year: 292 Days

Day: 12.6 Hours

Environment

Temp: -146 °C

Axial Tilt: 45.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 60,033,663 km

• M1: 104,569 km (0.076 R)
• M2: 465,698 km (0.095 R)
• M3: 737,518 km (0.082 R)
• M4: 1,119,890 km (0.099 R)
• M5: 1,482,664 km (0.066 R)
• M6: 1,923,081 km (0.104 R)
• M7: 2,457,444 km (0.079 R)
• M8: 2,912,820 km (0.088 R)
• M9: 3,268,713 km (0.094 R)
• M10: 3,548,761 km (0.1 R)
• M11: 4,030,466 km (0.099 R)
• M12: 4,313,505 km (0.054 R)
• M13: 4,763,196 km (0.116 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 877.2

Radius: 13.9

Gravity: 4.54 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 0.77 AU - 0.79 AU

Year: 467 Days

Day: 11.4 Hours

Environment

Temp: -157 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 60,033,663 km

• M1: 174,132 km (0.104 R)
• M2: 632,949 km (0.068 R)
• M3: 1,384,977 km (0.083 R)
• M4: 1,913,806 km (0.082 R)
• M5: 2,537,778 km (0.096 R)
• M6: 3,331,395 km (0.108 R)
• M7: 4,086,565 km (0.084 R)
• M8: 4,626,165 km (0.077 R)
• M9: 5,397,192 km (0.113 R)
• M10: 5,849,726 km (0.119 R)
• M11: 6,557,024 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 580.9

Radius: 9.5

Gravity: 6.44 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 0.82 AU - 0.94 AU

Year: 560 Days

Day: 9.4 Hours

Environment

Temp: -169 °C

Axial Tilt: 32.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 60,033,663 km

• M1: 118,182 km (0.06 R)
• M2: 419,921 km (0.089 R)
• M3: 825,930 km (0.07 R)
• M4: 1,197,381 km (0.097 R)
• M5: 1,505,852 km (0.074 R)
• M6: 1,843,943 km (0.087 R)
• M7: 3,003,776 km (0.034 R)
• M8: 3,661,857 km (0.087 R)
• M9: 3,983,791 km (0.111 R)
• M10: 4,952,438 km (0.044 R)
• M11: 5,449,252 km (0.048 R)
• M12: 6,181,833 km (0.051 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.2

Radius: 11.8

Gravity: 0.24 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.8 AU - 1.2 AU

Year: 678 Days

Day: 11.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 46.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 60,033,663 km

• M1: 146,905 km (0.091 R)
• M2: 557,551 km (0.072 R)
• M3: 999,314 km (0.052 R)
• M4: 1,446,312 km (0.115 R)
• M5: 1,835,566 km (0.108 R)
• M6: 2,611,380 km (0.116 R)

Asteroid Belt

Center: 2.23 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 3.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 766.6

Radius: 14.3

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 2.66 AU - 4.26 AU

Year: 4365 Days

Day: 13.1 Hours

Environment

Temp: -209 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 60,033,663 km

• M1: 177,872 km (0.046 R)
• M2: 769,681 km (0.076 R)
• M3: 1,247,796 km (0.04 R)
• M4: 1,727,107 km (0.034 R)
• M5: 2,378,008 km (0.06 R)
• M6: 2,894,120 km (0.076 R)
• M7: 4,156,427 km (0.064 R)
• M8: 4,609,559 km (0.074 R)
• M9: 5,759,368 km (0.042 R)
• M10: 6,294,330 km (0.109 R)
• M11: 7,814,544 km (0.066 R)
• M12: 8,660,969 km (0.058 R)
• M13: 10,192,552 km (0.087 R)
• M14: 11,757,046 km (0.045 R)
• M15: 15,358,316 km (0.106 R)
• M16: 18,597,110 km (0.073 R)
• M17: 21,412,542 km (0.116 R)
• M18: 22,995,586 km (0.07 R)
• M19: 25,043,432 km (0.054 R)
• M20: 26,881,541 km (0.064 R)
• M21: 28,127,990 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 435.3

Radius: 9.8

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 2.83 AU - 4.63 AU

Year: 4886 Days

Day: 11.7 Hours

Environment

Temp: -222 °C

Axial Tilt: 43.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 60,033,663 km

• M1: 121,922 km (0.112 R)
• M2: 431,440 km (0.08 R)
• M3: 801,994 km (0.107 R)
• M4: 1,410,558 km (0.093 R)
• M5: 1,762,413 km (0.084 R)
• M6: 2,455,799 km (0.114 R)
• M7: 2,831,439 km (0.097 R)
• M8: 3,189,127 km (0.066 R)
• M9: 3,516,747 km (0.095 R)
• M10: 4,061,732 km (0.116 R)
• M11: 6,273,985 km (0.089 R)
• M12: 10,855,420 km (0.034 R)
• M13: 11,379,012 km (0.049 R)
• M14: 12,666,003 km (0.043 R)
• M15: 13,743,556 km (0.076 R)
• M16: 16,304,822 km (0.112 R)
• M17: 17,937,383 km (0.098 R)
• M18: 19,548,552 km (0.119 R)
• M19: 20,719,006 km (0.065 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 852.9

Radius: 4.7

Gravity: 38.61 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 6.06 AU - 7.95 AU

Year: 12561 Days

Day: 21.3 Hours

Environment

Temp: -236 °C

Axial Tilt: 33.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 60,033,663 km

• M1: 58,493 km (0.097 R)
• M2: 256,860 km (0.116 R)
• M3: 688,449 km (0.079 R)
• M4: 866,920 km (0.086 R)
• M5: 1,743,414 km (0.116 R)
• M6: 2,651,921 km (0.101 R)
• M7: 2,833,384 km (0.111 R)
• M8: 3,349,347 km (0.111 R)
• M9: 3,954,769 km (0.077 R)
• M10: 4,407,303 km (0.04 R)
• M11: 5,782,706 km (0.118 R)
• M12: 7,874,682 km (0.1 R)
• M13: 8,737,114 km (0.056 R)
• M14: 9,449,948 km (0.089 R)
• M15: 13,208,445 km (0.067 R)
• M16: 13,873,557 km (0.113 R)
• M17: 14,560,660 km (0.081 R)
• M18: 16,077,283 km (0.099 R)
• M19: 18,750,597 km (0.042 R)
• M20: 19,083,452 km (0.083 R)
• M21: 23,872,529 km (0.12 R)
• M22: 27,545,905 km (0.115 R)
• M23: 31,813,782 km (0.077 R)
• M24: 32,168,479 km (0.062 R)
• M25: 33,006,077 km (0.091 R)
• M26: 37,808,169 km (0.071 R)
• M27: 41,209,127 km (0.116 R)
• M28: 42,768,086 km (0.074 R)
• M29: 46,003,140 km (0.095 R)
• M30: 46,153,935 km (0.092 R)
• M31: 46,456,572 km (0.103 R)
• M32: 47,526,047 km (0.1 R)
• M33: 49,872,938 km (0.032 R)
• M34: 54,289,965 km (0.118 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 487 - 14,075 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit