🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.86 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.9

Radius: 8.2

Gravity: 12.8 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.58 AU - 1.84 AU

Year: 1543 Days

Day: 6.8 Hours

Environment

Temp: -201 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 34,762,171 km

• M1: 102,175 km (0.116 R)
• M2: 373,995 km (0.1 R)
• M3: 838,646 km (0.083 R)
• M4: 1,440,029 km (0.106 R)
• M5: 1,706,313 km (0.037 R)
• M6: 2,144,635 km (0.065 R)
• M7: 3,490,418 km (0.101 R)
• M8: 4,031,812 km (0.038 R)
• M9: 4,894,992 km (0.106 R)
• M10: 6,771,996 km (0.11 R)
• M11: 7,143,897 km (0.039 R)
• M12: 7,870,942 km (0.075 R)
• M13: 8,342,176 km (0.094 R)
• M14: 8,863,375 km (0.037 R)
• M15: 11,992,065 km (0.085 R)
• M16: 12,262,687 km (0.105 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 813

Radius: 9.6

Gravity: 8.82 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 1.34 AU - 2.08 AU

Year: 1543 Days

Day: 11.9 Hours

Environment

Temp: -188 °C

Axial Tilt: 2.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,762,171 km

• M1: 119,379 km (0.077 R)
• M2: 563,535 km (0.108 R)
• M3: 1,139,637 km (0.025 R)
• M4: 1,474,736 km (0.109 R)
• M5: 2,006,855 km (0.114 R)
• M6: 2,759,482 km (0.057 R)
• M7: 3,310,750 km (0.059 R)
• M8: 3,706,586 km (0.043 R)
• M9: 4,359,432 km (0.105 R)
• M10: 4,693,633 km (0.083 R)
• M11: 5,172,795 km (0.077 R)
• M12: 5,988,403 km (0.118 R)
• M13: 7,931,081 km (0.054 R)
• M14: 8,370,898 km (0.101 R)
• M15: 9,014,020 km (0.089 R)
• M16: 9,396,093 km (0.109 R)
• M17: 10,748,308 km (0.101 R)
• M18: 12,933,484 km (0.085 R)
• M19: 13,297,156 km (0.108 R)
• M20: 13,876,698 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.13 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 517.6

Radius: 12.6

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 1.93 AU - 2.33 AU

Year: 2146 Days

Day: 14 Hours

Environment

Temp: -197 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 34,762,171 km

• M1: 156,928 km (0.085 R)
• M2: 941,419 km (0.092 R)
• M3: 1,371,214 km (0.096 R)
• M4: 2,411,218 km (0.094 R)
• M5: 3,025,617 km (0.095 R)
• M6: 3,452,868 km (0.108 R)
• M7: 3,848,704 km (0.119 R)
• M8: 4,470,134 km (0.067 R)
• M9: 4,963,358 km (0.117 R)
• M10: 5,701,175 km (0.07 R)
• M11: 6,408,623 km (0.064 R)
• M12: 7,146,589 km (0.063 R)
• M13: 8,511,969 km (0.086 R)
• M14: 10,357,708 km (0.077 R)
• M15: 11,374,674 km (0.089 R)
• M16: 12,417,222 km (0.1 R)
• M17: 13,522,451 km (0.115 R)
• M18: 15,279,029 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 402.2

Radius: 12.1

Gravity: 2.75 G

Time & Orbit

Eccentricity (e): 0.246

Orbit Range: 1.99 AU - 3.29 AU

Year: 2961 Days

Day: 14.5 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 34,762,171 km

• M1: 150,495 km (0.098 R)
• M2: 768,634 km (0.087 R)
• M3: 2,307,846 km (0.112 R)
• M4: 2,812,590 km (0.046 R)
• M5: 3,222,189 km (0.07 R)
• M6: 3,763,134 km (0.103 R)
• M7: 4,592,355 km (0.106 R)
• M8: 4,983,404 km (0.04 R)
• M9: 5,444,166 km (0.107 R)
• M10: 6,111,372 km (0.081 R)
• M11: 6,860,110 km (0.09 R)
• M12: 7,285,865 km (0.104 R)
• M13: 7,880,965 km (0.115 R)
• M14: 9,236,621 km (0.041 R)
• M15: 10,186,717 km (0.058 R)
• M16: 11,913,675 km (0.114 R)
• M17: 13,694,339 km (0.047 R)
• M18: 14,143,282 km (0.032 R)
• M19: 14,694,999 km (0.097 R)
• M20: 16,286,571 km (0.082 R)
• M21: 17,305,332 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 316.9

Radius: 13

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 2.16 AU - 3.38 AU

Year: 3182 Days

Day: 5.4 Hours

Environment

Temp: -200 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 34,762,171 km

• M1: 161,865 km (0.029 R)
• M2: 701,764 km (0.104 R)
• M3: 1,184,965 km (0.073 R)
• M4: 1,670,111 km (0.12 R)
• M5: 2,151,068 km (0.096 R)
• M6: 2,932,717 km (0.072 R)
• M7: 3,501,637 km (0.029 R)
• M8: 5,172,945 km (0.038 R)
• M9: 5,736,330 km (0.086 R)
• M10: 6,444,975 km (0.116 R)
• M11: 7,325,658 km (0.092 R)
• M12: 7,735,407 km (0.027 R)
• M13: 8,505,686 km (0.059 R)
• M14: 9,738,672 km (0.078 R)
• M15: 10,637,157 km (0.088 R)
• M16: 12,474,966 km (0.116 R)
• M17: 15,212,009 km (0.084 R)
• M18: 16,322,175 km (0.057 R)
• M19: 16,821,533 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.9

Radius: 13.6

Gravity: 3.1 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 3.69 AU - 4.21 AU

Year: 5419 Days

Day: 15 Hours

Environment

Temp: -223 °C

Axial Tilt: 45.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 34,762,171 km

• M1: 169,345 km (0.096 R)
• M2: 730,935 km (0.087 R)
• M3: 1,527,245 km (0.112 R)
• M4: 2,181,436 km (0.07 R)
• M5: 2,962,187 km (0.093 R)
• M6: 3,900,166 km (0.052 R)
• M7: 4,414,633 km (0.103 R)
• M8: 6,778,728 km (0.111 R)
• M9: 8,067,215 km (0.107 R)
• M10: 8,633,742 km (0.083 R)
• M11: 11,125,145 km (0.101 R)
• M12: 13,584,384 km (0.039 R)
• M13: 14,607,634 km (0.067 R)
• M14: 16,807,620 km (0.076 R)
• M15: 18,305,992 km (0.088 R)
• M16: 19,220,334 km (0.094 R)
• M17: 21,639,332 km (0.105 R)
• M18: 24,022,875 km (0.105 R)
• M19: 25,358,036 km (0.086 R)
• M20: 27,158,446 km (0.057 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.4

Radius: 10

Gravity: 6.39 G

Time & Orbit

Eccentricity (e): 0.149

Orbit Range: 3.75 AU - 5.07 AU

Year: 6392 Days

Day: 9.1 Hours

Environment

Temp: -214 °C

Axial Tilt: 5.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 34,762,171 km

• M1: 124,465 km (0.083 R)
• M2: 488,138 km (0.109 R)
• M3: 1,414,897 km (0.098 R)
• M4: 2,100,952 km (0.111 R)
• M5: 2,511,599 km (0.053 R)
• M6: 7,094,529 km (0.073 R)
• M7: 9,769,040 km (0.101 R)
• M8: 10,264,807 km (0.085 R)
• M9: 10,824,453 km (0.111 R)
• M10: 11,404,594 km (0.063 R)
• M11: 11,903,652 km (0.064 R)
• M12: 14,160,486 km (0.103 R)
• M13: 21,023,138 km (0.113 R)
• M14: 21,622,278 km (0.092 R)
• M15: 25,459,613 km (0.118 R)
• M16: 26,312,620 km (0.056 R)
• M17: 28,437,358 km (0.074 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 395 - 11,064 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit