🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.03

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 0.56 AU - 0.56 AU

Year: 271 Days

Day: 24.3 Hours

Environment

Temp: -128 °C

Axial Tilt: 37.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 62,731,984 km

• M1: 46,226 km (0.1 R)
• M2: 157,227 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 367.5

Radius: 14.4

Gravity: 1.77 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 0.66 AU - 1.08 AU

Year: 524 Days

Day: 7.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 62,731,984 km

• M1: 179,069 km (0.066 R)
• M2: 628,461 km (0.099 R)
• M3: 1,130,362 km (0.044 R)
• M4: 1,681,779 km (0.085 R)
• M5: 2,273,439 km (0.072 R)
• M6: 3,227,873 km (0.092 R)
• M7: 4,180,064 km (0.072 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 886.4

Radius: 12.9

Gravity: 5.33 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 1.04 AU - 1.18 AU

Year: 755 Days

Day: 11.3 Hours

Environment

Temp: -162 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,731,984 km

• M1: 160,369 km (0.092 R)
• M2: 591,809 km (0.061 R)
• M3: 996,172 km (0.111 R)
• M4: 1,398,590 km (0.099 R)
• M5: 1,805,796 km (0.058 R)
• M6: 2,442,634 km (0.085 R)
• M7: 4,314,702 km (0.115 R)
• M8: 6,054,974 km (0.113 R)
• M9: 7,185,934 km (0.111 R)
• M10: 7,608,847 km (0.099 R)
• M11: 8,504,639 km (0.114 R)
• M12: 9,167,358 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.18 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 750.8

Radius: 9.6

Gravity: 8.15 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.13 AU - 1.23 AU

Year: 828 Days

Day: 5.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 42.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,731,984 km

• M1: 119,529 km (0.1 R)
• M2: 455,376 km (0.093 R)
• M3: 762,650 km (0.089 R)
• M4: 1,099,993 km (0.11 R)
• M5: 1,399,937 km (0.115 R)
• M6: 1,764,208 km (0.117 R)
• M7: 2,233,047 km (0.115 R)
• M8: 3,506,424 km (0.106 R)
• M9: 4,059,937 km (0.046 R)
• M10: 4,584,726 km (0.1 R)
• M11: 4,935,234 km (0.042 R)
• M12: 5,572,521 km (0.093 R)
• M13: 6,158,496 km (0.026 R)
• M14: 6,520,672 km (0.113 R)
• M15: 6,942,388 km (0.07 R)
• M16: 7,596,879 km (0.118 R)
• M17: 8,948,047 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 244.7

Radius: 12

Gravity: 1.7 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 1.81 AU - 2.35 AU

Year: 1937 Days

Day: 13.4 Hours

Environment

Temp: -186 °C

Axial Tilt: 32.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 62,731,984 km

• M1: 149,299 km (0.05 R)
• M2: 534,962 km (0.062 R)
• M3: 987,645 km (0.099 R)
• M4: 1,423,274 km (0.101 R)
• M5: 2,070,135 km (0.097 R)
• M6: 2,662,244 km (0.102 R)
• M7: 3,235,054 km (0.086 R)
• M8: 3,635,677 km (0.047 R)
• M9: 5,420,230 km (0.118 R)
• M10: 7,702,495 km (0.108 R)
• M11: 8,150,840 km (0.055 R)
• M12: 10,724,821 km (0.091 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 737.9

Radius: 10.8

Gravity: 6.33 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 2.32 AU - 3.32 AU

Year: 3058 Days

Day: 7.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,731,984 km

• M1: 134,339 km (0.117 R)
• M2: 523,892 km (0.057 R)
• M3: 902,374 km (0.119 R)
• M4: 1,257,071 km (0.062 R)
• M5: 1,673,252 km (0.08 R)
• M6: 2,277,927 km (0.083 R)
• M7: 3,162,050 km (0.102 R)
• M8: 3,862,767 km (0.094 R)
• M9: 4,640,825 km (0.074 R)
• M10: 5,215,431 km (0.059 R)
• M11: 5,918,092 km (0.1 R)
• M12: 6,623,745 km (0.098 R)
• M13: 7,384,749 km (0.029 R)
• M14: 8,202,900 km (0.114 R)
• M15: 8,616,688 km (0.116 R)
• M16: 9,674,195 km (0.08 R)
• M17: 10,980,633 km (0.091 R)
• M18: 13,225,798 km (0.119 R)
• M19: 14,086,734 km (0.036 R)
• M20: 14,781,616 km (0.059 R)
• M21: 15,447,327 km (0.092 R)
• M22: 16,347,906 km (0.117 R)
• M23: 17,792,423 km (0.06 R)
• M24: 18,370,020 km (0.104 R)

Asteroid Belt

Center: 5.02 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 7.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 982.7

Radius: 6.5

Gravity: 23.26 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 5.95 AU - 8.47 AU

Year: 12500 Days

Day: 15.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 62,731,984 km

• M1: 126,560 km (0.028 R)
• M2: 458,517 km (0.119 R)
• M3: 1,119,740 km (0.093 R)
• M4: 1,412,353 km (0.11 R)
• M5: 1,640,640 km (0.094 R)
• M6: 2,979,541 km (0.107 R)
• M7: 3,358,323 km (0.074 R)
• M8: 3,628,347 km (0.11 R)
• M9: 4,689,444 km (0.09 R)
• M10: 5,527,641 km (0.111 R)
• M11: 6,585,448 km (0.103 R)
• M12: 9,094,952 km (0.114 R)
• M13: 9,946,164 km (0.083 R)
• M14: 10,849,286 km (0.075 R)
• M15: 13,545,938 km (0.109 R)
• M16: 13,954,639 km (0.058 R)
• M17: 15,084,701 km (0.118 R)
• M18: 24,754,857 km (0.091 R)
• M19: 27,583,155 km (0.077 R)
• M20: 30,736,229 km (0.046 R)
• M21: 31,087,784 km (0.116 R)
• M22: 35,903,938 km (0.104 R)
• M23: 40,489,112 km (0.111 R)
• M24: 40,911,427 km (0.046 R)
• M25: 48,075,370 km (0.091 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 153 - 19,912 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit