🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.44 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 66

Radius: 10.6

Gravity: 0.59 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 0.8 AU - 0.94 AU

Year: 524 Days

Day: 9.8 Hours

Environment

Temp: -150 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 55,201,878 km

• M1: 131,945 km (0.118 R)
• M2: 534,064 km (0.095 R)
• M3: 896,690 km (0.052 R)
• M4: 1,529,489 km (0.118 R)
• M5: 2,024,658 km (0.079 R)
• M6: 2,920,749 km (0.086 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.4

Radius: 8.7

Gravity: 6.65 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.08 AU - 1.76 AU

Year: 1093 Days

Day: 10.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 36.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 55,201,878 km

• M1: 110,254 km (0.112 R)
• M2: 472,430 km (0.078 R)
• M3: 748,139 km (0.074 R)
• M4: 1,066,184 km (0.117 R)
• M5: 1,523,056 km (0.029 R)
• M6: 1,825,244 km (0.071 R)
• M7: 2,157,351 km (0.085 R)
• M8: 2,506,812 km (0.073 R)
• M9: 2,818,125 km (0.048 R)
• M10: 3,519,739 km (0.067 R)
• M11: 4,134,885 km (0.084 R)
• M12: 4,502,746 km (0.104 R)
• M13: 5,058,203 km (0.105 R)
• M14: 6,480,281 km (0.09 R)
• M15: 7,047,556 km (0.069 R)
• M16: 7,500,538 km (0.108 R)
• M17: 8,281,140 km (0.064 R)
• M18: 8,597,539 km (0.055 R)
• M19: 9,031,822 km (0.118 R)
• M20: 9,595,207 km (0.075 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.3

Radius: 12.7

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 2.39 AU - 2.83 AU

Year: 2723 Days

Day: 13.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 18.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 55,201,878 km

• M1: 157,975 km (0.119 R)
• M2: 553,811 km (0.116 R)
• M3: 1,106,875 km (0.106 R)
• M4: 1,668,465 km (0.095 R)
• M5: 2,275,832 km (0.08 R)
• M6: 2,686,479 km (0.065 R)
• M7: 3,252,707 km (0.07 R)
• M8: 3,979,004 km (0.109 R)
• M9: 5,120,885 km (0.08 R)
• M10: 5,729,000 km (0.115 R)
• M11: 7,430,676 km (0.111 R)
• M12: 8,312,854 km (0.042 R)
• M13: 8,974,675 km (0.056 R)
• M14: 10,013,932 km (0.087 R)
• M15: 12,962,057 km (0.119 R)
• M16: 14,584,596 km (0.074 R)
• M17: 17,658,981 km (0.12 R)
• M18: 19,108,585 km (0.074 R)

Asteroid Belt

Center: 2.91 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 3.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 943.2

Radius: 9.4

Gravity: 10.67 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 2.95 AU - 3.47 AU

Year: 3713 Days

Day: 11.3 Hours

Environment

Temp: -203 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,201,878 km

• M1: 118,033 km (0.044 R)
• M2: 417,079 km (0.099 R)
• M3: 725,550 km (0.067 R)
• M4: 1,166,863 km (0.094 R)
• M5: 1,506,451 km (0.1 R)
• M6: 2,007,603 km (0.099 R)
• M7: 2,437,847 km (0.114 R)
• M8: 2,965,030 km (0.092 R)
• M9: 4,364,967 km (0.062 R)
• M10: 5,469,448 km (0.073 R)
• M11: 7,409,882 km (0.073 R)
• M12: 7,932,277 km (0.107 R)
• M13: 8,629,104 km (0.058 R)
• M14: 9,405,966 km (0.11 R)
• M15: 10,356,212 km (0.083 R)
• M16: 11,736,551 km (0.101 R)
• M17: 12,837,143 km (0.117 R)
• M18: 13,591,116 km (0.12 R)
• M19: 14,005,203 km (0.069 R)
• M20: 15,689,675 km (0.077 R)
• M21: 17,444,309 km (0.111 R)
• M22: 19,784,019 km (0.109 R)
• M23: 22,975,091 km (0.077 R)
• M24: 23,860,711 km (0.095 R)
• M25: 24,999,749 km (0.087 R)
• M26: 25,387,207 km (0.059 R)
• M27: 27,222,025 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 883.5

Radius: 13.3

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 3.48 AU - 3.8 AU

Year: 4484 Days

Day: 9.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 19.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 55,201,878 km

• M1: 165,455 km (0.118 R)
• M2: 596,297 km (0.105 R)
• M3: 1,308,383 km (0.072 R)
• M4: 2,082,103 km (0.113 R)
• M5: 3,048,057 km (0.041 R)
• M6: 3,942,801 km (0.081 R)
• M7: 7,099,915 km (0.039 R)
• M8: 7,803,474 km (0.073 R)
• M9: 11,046,456 km (0.094 R)
• M10: 12,385,208 km (0.089 R)
• M11: 14,316,815 km (0.096 R)
• M12: 16,562,579 km (0.101 R)
• M13: 17,112,351 km (0.109 R)
• M14: 17,611,409 km (0.116 R)
• M15: 18,573,324 km (0.096 R)
• M16: 19,773,547 km (0.113 R)
• M17: 20,742,194 km (0.113 R)
• M18: 22,107,125 km (0.103 R)
• M19: 22,699,532 km (0.109 R)
• M20: 26,230,790 km (0.119 R)
• M21: 29,485,441 km (0.08 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.1

Radius: 11

Gravity: 5.18 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 3.98 AU - 4.2 AU

Year: 5341 Days

Day: 14.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 55,201,878 km

• M1: 136,882 km (0.12 R)
• M2: 590,912 km (0.07 R)
• M3: 1,090,120 km (0.109 R)
• M4: 1,559,857 km (0.075 R)
• M5: 2,238,882 km (0.096 R)
• M6: 2,664,787 km (0.072 R)
• M7: 3,283,224 km (0.067 R)
• M8: 3,881,167 km (0.111 R)
• M9: 5,074,210 km (0.095 R)
• M10: 5,608,723 km (0.076 R)
• M11: 5,965,514 km (0.119 R)
• M12: 6,757,934 km (0.055 R)
• M13: 7,162,447 km (0.109 R)
• M14: 7,872,738 km (0.089 R)
• M15: 8,283,085 km (0.061 R)
• M16: 9,642,780 km (0.086 R)
• M17: 13,472,934 km (0.104 R)
• M18: 14,334,318 km (0.112 R)
• M19: 17,576,553 km (0.083 R)
• M20: 20,499,695 km (0.082 R)
• M21: 22,003,004 km (0.069 R)
• M22: 24,749,173 km (0.1 R)
• M23: 26,785,648 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 609.4

Radius: 3.5

Gravity: 49.75 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 7.4 AU - 7.48 AU

Year: 13103 Days

Day: 24 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 55,201,878 km

• M1: 43,683 km (0.056 R)
• M2: 156,479 km (0.061 R)
• M3: 759,359 km (0.079 R)
• M4: 1,117,197 km (0.069 R)
• M5: 2,043,806 km (0.082 R)
• M6: 2,328,341 km (0.083 R)
• M7: 2,490,505 km (0.073 R)
• M8: 3,340,670 km (0.095 R)
• M9: 4,337,889 km (0.095 R)
• M10: 7,360,365 km (0.105 R)
• M11: 7,490,216 km (0.079 R)
• M12: 7,844,015 km (0.053 R)
• M13: 8,301,934 km (0.107 R)
• M14: 8,825,826 km (0.032 R)
• M15: 10,366,384 km (0.076 R)
• M16: 10,584,498 km (0.036 R)
• M17: 11,545,515 km (0.082 R)
• M18: 14,982,676 km (0.058 R)
• M19: 15,829,399 km (0.078 R)
• M20: 18,720,678 km (0.12 R)
• M21: 19,125,489 km (0.113 R)
• M22: 26,218,972 km (0.12 R)
• M23: 37,376,729 km (0.111 R)
• M24: 38,797,460 km (0.025 R)
• M25: 40,253,945 km (0.107 R)
• M26: 41,472,419 km (0.12 R)
• M27: 50,853,552 km (0.086 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 211 - 19,596 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit