🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.8

Radius: 13.7

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 0.89 AU - 1.05 AU

Year: 672 Days

Day: 8.5 Hours

Environment

Temp: -177 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 38,782,820 km

• M1: 170,392 km (0.102 R)
• M2: 621,579 km (0.086 R)
• M3: 1,090,868 km (0.095 R)
• M4: 1,710,203 km (0.109 R)
• M5: 2,295,729 km (0.099 R)
• M6: 2,892,325 km (0.067 R)
• M7: 3,353,835 km (0.042 R)
• M8: 3,852,594 km (0.089 R)
• M9: 4,427,648 km (0.089 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 411

Radius: 9.2

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 2 AU - 2.42 AU

Year: 2309 Days

Day: 12.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 38,782,820 km

• M1: 115,639 km (0.104 R)
• M2: 442,361 km (0.113 R)
• M3: 773,122 km (0.068 R)
• M4: 1,059,452 km (0.11 R)
• M5: 2,129,675 km (0.112 R)
• M6: 2,599,861 km (0.09 R)
• M7: 4,397,579 km (0.114 R)
• M8: 4,842,483 km (0.099 R)
• M9: 6,902,595 km (0.119 R)
• M10: 9,002,351 km (0.074 R)
• M11: 9,991,492 km (0.047 R)
• M12: 11,495,848 km (0.095 R)
• M13: 12,029,165 km (0.085 R)
• M14: 13,186,604 km (0.1 R)
• M15: 14,680,488 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.4

Radius: 12.4

Gravity: 3.33 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.32 AU - 3.14 AU

Year: 3171 Days

Day: 10 Hours

Environment

Temp: -218 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,782,820 km

• M1: 154,235 km (0.1 R)
• M2: 566,976 km (0.045 R)
• M3: 1,051,823 km (0.112 R)
• M4: 1,567,636 km (0.114 R)
• M5: 1,994,888 km (0.094 R)
• M6: 2,617,364 km (0.098 R)
• M7: 3,057,631 km (0.079 R)
• M8: 3,510,763 km (0.096 R)
• M9: 4,069,062 km (0.095 R)
• M10: 4,488,235 km (0.107 R)
• M11: 4,982,656 km (0.09 R)
• M12: 5,639,092 km (0.101 R)
• M13: 6,054,824 km (0.098 R)
• M14: 7,184,887 km (0.118 R)
• M15: 9,278,808 km (0.115 R)
• M16: 11,626,896 km (0.036 R)
• M17: 13,504,050 km (0.072 R)
• M18: 14,204,019 km (0.102 R)
• M19: 15,778,387 km (0.111 R)
• M20: 16,345,512 km (0.089 R)
• M21: 16,819,588 km (0.035 R)
• M22: 18,923,532 km (0.102 R)
• M23: 19,623,052 km (0.098 R)
• M24: 20,038,934 km (0.098 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.9

Radius: 13.7

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 2.57 AU - 3.81 AU

Year: 4005 Days

Day: 5.9 Hours

Environment

Temp: -212 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 38,782,820 km

• M1: 170,392 km (0.11 R)
• M2: 758,910 km (0.058 R)
• M3: 1,492,837 km (0.114 R)
• M4: 2,007,005 km (0.08 R)
• M5: 2,503,072 km (0.098 R)
• M6: 3,610,844 km (0.119 R)
• M7: 4,244,241 km (0.066 R)
• M8: 5,869,024 km (0.094 R)
• M9: 6,369,129 km (0.086 R)
• M10: 8,874,744 km (0.107 R)
• M11: 10,033,080 km (0.049 R)
• M12: 10,750,701 km (0.054 R)
• M13: 11,205,778 km (0.077 R)
• M14: 12,243,688 km (0.079 R)
• M15: 14,065,940 km (0.026 R)
• M16: 14,863,596 km (0.072 R)
• M17: 15,638,513 km (0.093 R)
• M18: 18,359,249 km (0.079 R)
• M19: 20,549,362 km (0.092 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.44 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 355.9

Radius: 4.2

Gravity: 20.18 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 5.35 AU - 7.53 AU

Year: 11488 Days

Day: 18.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 38,782,820 km

• M1: 52,359 km (0.026 R)
• M2: 197,619 km (0.119 R)
• M3: 384,915 km (0.075 R)
• M4: 621,280 km (0.076 R)
• M5: 855,700 km (0.119 R)
• M6: 1,639,293 km (0.05 R)
• M7: 1,831,377 km (0.03 R)
• M8: 2,156,005 km (0.03 R)
• M9: 3,004,524 km (0.116 R)
• M10: 3,408,587 km (0.093 R)
• M11: 6,516,633 km (0.085 R)
• M12: 8,766,435 km (0.082 R)
• M13: 11,015,190 km (0.108 R)
• M14: 11,485,676 km (0.097 R)
• M15: 12,977,765 km (0.059 R)
• M16: 13,620,886 km (0.091 R)
• M17: 20,008,566 km (0.12 R)
• M18: 20,473,217 km (0.118 R)
• M19: 22,074,063 km (0.056 R)
• M20: 23,328,292 km (0.087 R)
• M21: 26,437,684 km (0.079 R)
• M22: 28,918,764 km (0.063 R)
• M23: 29,214,669 km (0.08 R)
• M24: 33,247,229 km (0.117 R)
• M25: 33,898,728 km (0.114 R)
• M26: 37,987,986 km (0.114 R)
• M27: 39,420,834 km (0.092 R)
• M28: 40,150,722 km (0.091 R)
• M29: 40,889,436 km (0.089 R)

Asteroid Belt

Center: 7.13 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 928.7

Radius: 3

Gravity: 103.19 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 7.26 AU - 8.38 AU

Year: 15372 Days

Day: 19.9 Hours

Environment

Temp: -237 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (40)

Outer Limit: 38,782,820 km

• M1: 57,595 km (0.087 R)
• M2: 207,193 km (0.097 R)
• M3: 415,732 km (0.084 R)
• M4: 749,037 km (0.105 R)
• M5: 907,760 km (0.106 R)
• M6: 1,013,526 km (0.102 R)
• M7: 1,180,926 km (0.092 R)
• M8: 1,982,471 km (0.115 R)
• M9: 2,668,676 km (0.096 R)
• M10: 3,471,419 km (0.117 R)
• M11: 4,659,674 km (0.118 R)
• M12: 7,092,285 km (0.106 R)
• M13: 8,346,065 km (0.111 R)
• M14: 10,315,222 km (0.044 R)
• M15: 11,219,691 km (0.069 R)
• M16: 12,110,546 km (0.109 R)
• M17: 12,307,417 km (0.109 R)
• M18: 12,910,745 km (0.071 R)
• M19: 13,323,785 km (0.108 R)
• M20: 14,031,532 km (0.097 R)
• M21: 15,064,206 km (0.073 R)
• M22: 15,599,019 km (0.099 R)
• M23: 16,706,342 km (0.071 R)
• M24: 18,724,717 km (0.098 R)
• M25: 22,048,033 km (0.1 R)
• M26: 23,338,465 km (0.105 R)
• M27: 26,617,351 km (0.103 R)
• M28: 28,539,534 km (0.102 R)
• M29: 32,784,074 km (0.077 R)
• M30: 34,724,957 km (0.115 R)
• M31: 35,122,139 km (0.053 R)
• M32: 35,656,503 km (0.057 R)
• M33: 37,987,687 km (0.092 R)
• M34: 42,195,426 km (0.106 R)
• M35: 44,800,822 km (0.059 R)
• M36: 46,382,371 km (0.037 R)
• M37: 54,316,294 km (0.105 R)
• M38: 61,935,912 km (0.097 R)
• M39: 64,094,909 km (0.083 R)
• M40: 67,119,179 km (0.09 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 146.7

Radius: 4.5

Gravity: 7.24 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 7.54 AU - 8.34 AU

Year: 15727 Days

Day: 24.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 9.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 38,782,820 km

• M1: 55,950 km (0.057 R)
• M2: 233,073 km (0.051 R)
• M3: 409,449 km (0.091 R)
• M4: 611,706 km (0.097 R)
• M5: 1,348,924 km (0.029 R)
• M6: 1,632,412 km (0.105 R)
• M7: 1,970,204 km (0.109 R)
• M8: 2,925,087 km (0.085 R)
• M9: 4,102,422 km (0.114 R)
• M10: 5,756,526 km (0.087 R)
• M11: 7,651,183 km (0.11 R)
• M12: 9,064,135 km (0.088 R)
• M13: 9,647,567 km (0.117 R)
• M14: 10,207,960 km (0.11 R)
• M15: 11,808,209 km (0.117 R)
• M16: 14,570,982 km (0.101 R)
• M17: 15,183,436 km (0.065 R)
• M18: 19,884,100 km (0.031 R)
• M19: 23,588,143 km (0.117 R)
• M20: 24,261,334 km (0.086 R)
• M21: 28,571,099 km (0.118 R)
• M22: 31,005,655 km (0.051 R)
• M23: 31,407,624 km (0.088 R)
• M24: 38,550,922 km (0.074 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: 390 - 13,475 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit