🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.1

Radius: 8.1

Gravity: 11.3 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.87 AU - 1.21 AU

Year: 746 Days

Day: 11.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,080,765 km

• M1: 100,829 km (0.068 R)
• M2: 558,748 km (0.108 R)
• M3: 896,390 km (0.09 R)
• M4: 1,333,216 km (0.072 R)
• M5: 2,094,969 km (0.092 R)
• M6: 2,634,419 km (0.054 R)
• M7: 2,931,071 km (0.1 R)
• M8: 4,747,638 km (0.07 R)
• M9: 5,391,806 km (0.117 R)
• M10: 6,256,781 km (0.114 R)
• M11: 7,963,992 km (0.078 R)
• M12: 8,284,431 km (0.045 R)
• M13: 8,536,653 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 457.2

Radius: 10.5

Gravity: 4.15 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 2.32 AU - 3.18 AU

Year: 3206 Days

Day: 14 Hours

Environment

Temp: -208 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,080,765 km

• M1: 131,048 km (0.092 R)
• M2: 481,107 km (0.098 R)
• M3: 1,493,585 km (0.052 R)
• M4: 2,027,650 km (0.048 R)
• M5: 2,685,581 km (0.101 R)
• M6: 3,032,199 km (0.11 R)
• M7: 3,516,747 km (0.092 R)
• M8: 4,012,514 km (0.072 R)
• M9: 4,775,613 km (0.072 R)
• M10: 6,151,315 km (0.109 R)
• M11: 7,018,235 km (0.103 R)
• M12: 9,202,812 km (0.105 R)
• M13: 10,450,010 km (0.08 R)
• M14: 10,876,663 km (0.108 R)
• M15: 11,355,376 km (0.041 R)
• M16: 12,397,924 km (0.115 R)
• M17: 12,832,505 km (0.074 R)
• M18: 13,777,964 km (0.12 R)
• M19: 16,788,023 km (0.116 R)
• M20: 19,562,166 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 881.1

Radius: 9.5

Gravity: 9.76 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 2.84 AU - 2.98 AU

Year: 3489 Days

Day: 9.4 Hours

Environment

Temp: -205 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,080,765 km

• M1: 121,025 km (0.118 R)
• M2: 426,952 km (0.118 R)
• M3: 826,528 km (0.061 R)
• M4: 1,826,590 km (0.104 R)
• M5: 2,134,612 km (0.083 R)
• M6: 2,430,666 km (0.08 R)
• M7: 2,788,355 km (0.102 R)
• M8: 3,294,594 km (0.048 R)
• M9: 3,818,486 km (0.119 R)
• M10: 5,927,217 km (0.113 R)
• M11: 7,613,484 km (0.118 R)
• M12: 8,133,786 km (0.116 R)
• M13: 8,977,667 km (0.108 R)
• M14: 9,919,087 km (0.115 R)
• M15: 10,413,807 km (0.073 R)
• M16: 10,795,581 km (0.118 R)
• M17: 13,286,236 km (0.115 R)
• M18: 15,037,578 km (0.106 R)
• M19: 18,618,353 km (0.087 R)
• M20: 18,992,497 km (0.037 R)
• M21: 21,006,234 km (0.094 R)
• M22: 23,518,580 km (0.088 R)
• M23: 23,882,702 km (0.085 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 449.1

Radius: 10.9

Gravity: 3.78 G

Time & Orbit

Eccentricity (e): 0.102

Orbit Range: 2.7 AU - 3.32 AU

Year: 3671 Days

Day: 12.7 Hours

Environment

Temp: -218 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 30,080,765 km

• M1: 135,536 km (0.05 R)
• M2: 504,145 km (0.119 R)
• M3: 850,314 km (0.071 R)
• M4: 1,930,261 km (0.09 R)
• M5: 2,296,028 km (0.099 R)
• M6: 3,531,707 km (0.094 R)
• M7: 3,981,847 km (0.052 R)
• M8: 4,558,995 km (0.109 R)
• M9: 5,289,482 km (0.049 R)
• M10: 5,696,238 km (0.055 R)
• M11: 6,746,714 km (0.048 R)
• M12: 7,505,325 km (0.061 R)
• M13: 7,856,731 km (0.114 R)
• M14: 8,592,752 km (0.115 R)
• M15: 9,782,055 km (0.061 R)
• M16: 10,996,341 km (0.107 R)
• M17: 11,788,611 km (0.064 R)
• M18: 13,722,164 km (0.118 R)
• M19: 15,445,232 km (0.077 R)
• M20: 17,363,526 km (0.06 R)
• M21: 18,727,559 km (0.059 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.1

Radius: 10

Gravity: 4.97 G

Time & Orbit

Eccentricity (e): 0.057

Orbit Range: 3.51 AU - 3.93 AU

Year: 5043 Days

Day: 11.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 31.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 30,080,765 km

• M1: 124,465 km (0.111 R)
• M2: 538,702 km (0.039 R)
• M3: 902,823 km (0.077 R)
• M4: 1,557,015 km (0.094 R)
• M5: 2,151,517 km (0.092 R)
• M6: 2,944,984 km (0.065 R)
• M7: 3,439,405 km (0.082 R)
• M8: 4,033,159 km (0.09 R)
• M9: 5,480,069 km (0.105 R)
• M10: 6,230,452 km (0.086 R)
• M11: 6,949,868 km (0.086 R)
• M12: 7,346,751 km (0.072 R)
• M13: 8,006,179 km (0.105 R)
• M14: 9,166,011 km (0.111 R)
• M15: 9,765,899 km (0.085 R)
• M16: 11,357,919 km (0.118 R)
• M17: 12,917,776 km (0.039 R)
• M18: 13,468,147 km (0.042 R)
• M19: 16,926,700 km (0.069 R)
• M20: 20,868,155 km (0.118 R)
• M21: 22,689,210 km (0.077 R)
• M22: 23,051,237 km (0.096 R)
• M23: 26,166,762 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 982.1

Radius: 11.9

Gravity: 6.94 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 3.52 AU - 5.34 AU

Year: 6554 Days

Day: 7.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 30,080,765 km

• M1: 148,102 km (0.118 R)
• M2: 655,388 km (0.096 R)
• M3: 1,139,038 km (0.11 R)
• M4: 1,875,209 km (0.114 R)
• M5: 2,614,372 km (0.089 R)
• M6: 3,158,460 km (0.094 R)
• M7: 3,680,556 km (0.076 R)
• M8: 4,447,993 km (0.105 R)
• M9: 5,257,767 km (0.11 R)
• M10: 6,546,253 km (0.095 R)
• M11: 7,094,529 km (0.071 R)
• M12: 7,872,887 km (0.096 R)
• M13: 9,738,672 km (0.087 R)
• M14: 11,514,249 km (0.103 R)
• M15: 12,205,690 km (0.1 R)
• M16: 12,980,906 km (0.112 R)
• M17: 14,265,354 km (0.097 R)
• M18: 15,568,650 km (0.111 R)
• M19: 16,480,599 km (0.075 R)
• M20: 19,505,019 km (0.086 R)
• M21: 21,108,858 km (0.099 R)
• M22: 21,742,405 km (0.109 R)
• M23: 22,964,470 km (0.083 R)
• M24: 24,145,844 km (0.112 R)
• M25: 24,838,782 km (0.088 R)
• M26: 27,183,130 km (0.059 R)
• M27: 28,122,904 km (0.088 R)
• M28: 28,890,042 km (0.097 R)
• M29: 32,516,593 km (0.039 R)
• M30: 36,097,966 km (0.078 R)
• M31: 37,348,006 km (0.067 R)
• M32: 38,392,050 km (0.113 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 215.2

Radius: 11.6

Gravity: 1.6 G

Time & Orbit

Eccentricity (e): 0.236

Orbit Range: 4.14 AU - 6.7 AU

Year: 8870 Days

Day: 14 Hours

Environment

Temp: -220 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,080,765 km

• M1: 144,362 km (0.057 R)
• M2: 612,005 km (0.077 R)
• M3: 1,200,673 km (0.098 R)
• M4: 1,786,947 km (0.11 R)
• M5: 3,976,910 km (0.113 R)
• M6: 4,626,464 km (0.032 R)
• M7: 5,317,606 km (0.091 R)
• M8: 6,106,884 km (0.072 R)
• M9: 7,210,169 km (0.1 R)
• M10: 10,545,004 km (0.117 R)
• M11: 12,128,348 km (0.052 R)
• M12: 13,233,876 km (0.037 R)
• M13: 15,529,306 km (0.093 R)
• M14: 19,318,770 km (0.079 R)
• M15: 21,534,464 km (0.055 R)
• M16: 22,703,571 km (0.071 R)
• M17: 24,614,385 km (0.092 R)
• M18: 25,247,932 km (0.057 R)
• M19: 26,962,623 km (0.102 R)
• M20: 27,891,177 km (0.102 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 206 - 15,075 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit