🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.49 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.7

Radius: 10.8

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 0.85 AU - 1.11 AU

Year: 626 Days

Day: 8.2 Hours

Environment

Temp: -152 °C

Axial Tilt: 23 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 48,351,221 km

• M1: 134,339 km (0.078 R)
• M2: 499,208 km (0.086 R)
• M3: 851,960 km (0.111 R)
• M4: 1,744,760 km (0.059 R)
• M5: 2,424,233 km (0.071 R)
• M6: 2,893,672 km (0.052 R)
• M7: 3,271,855 km (0.094 R)
• M8: 3,683,100 km (0.081 R)
• M9: 4,053,953 km (0.103 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985.3

Radius: 12.6

Gravity: 6.21 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 0.75 AU - 1.25 AU

Year: 646 Days

Day: 13.2 Hours

Environment

Temp: -151 °C

Axial Tilt: 27.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 48,351,221 km

• M1: 163,510 km (0.096 R)
• M2: 572,511 km (0.116 R)
• M3: 1,005,447 km (0.045 R)
• M4: 1,401,283 km (0.116 R)
• M5: 1,931,009 km (0.117 R)
• M6: 2,430,068 km (0.053 R)
• M7: 2,893,372 km (0.082 R)
• M8: 3,707,035 km (0.117 R)
• M9: 4,518,753 km (0.059 R)
• M10: 5,117,444 km (0.108 R)
• M11: 6,226,114 km (0.094 R)
• M12: 6,686,277 km (0.058 R)
• M13: 7,865,407 km (0.093 R)
• M14: 8,454,374 km (0.117 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 742.8

Radius: 10.1

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.2 AU - 1.46 AU

Year: 990 Days

Day: 8.4 Hours

Environment

Temp: -172 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,351,221 km

• M1: 125,662 km (0.072 R)
• M2: 457,321 km (0.078 R)
• M3: 959,521 km (0.032 R)
• M4: 1,451,099 km (0.113 R)
• M5: 2,004,163 km (0.079 R)
• M6: 2,341,805 km (0.11 R)
• M7: 3,133,627 km (0.099 R)
• M8: 4,346,267 km (0.115 R)
• M9: 5,011,529 km (0.114 R)
• M10: 5,660,933 km (0.119 R)
• M11: 6,298,968 km (0.071 R)
• M12: 6,984,276 km (0.098 R)
• M13: 7,718,502 km (0.053 R)
• M14: 9,398,337 km (0.106 R)
• M15: 10,416,649 km (0.094 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 775.7

Radius: 8.3

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.04 AU - 2.56 AU

Year: 2252 Days

Day: 7.4 Hours

Environment

Temp: -201 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,351,221 km

• M1: 103,522 km (0.103 R)
• M2: 363,822 km (0.086 R)
• M3: 683,513 km (0.111 R)
• M4: 1,027,289 km (0.044 R)
• M5: 1,389,465 km (0.052 R)
• M6: 2,012,690 km (0.098 R)
• M7: 2,402,093 km (0.113 R)
• M8: 3,080,370 km (0.09 R)
• M9: 4,115,587 km (0.087 R)
• M10: 4,812,264 km (0.033 R)
• M11: 5,107,421 km (0.095 R)
• M12: 7,616,327 km (0.098 R)
• M13: 8,176,421 km (0.029 R)
• M14: 8,763,742 km (0.104 R)
• M15: 10,926,030 km (0.116 R)
• M16: 16,425,397 km (0.103 R)
• M17: 16,992,373 km (0.12 R)
• M18: 17,254,319 km (0.094 R)
• M19: 18,110,767 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.7

Radius: 9.7

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 3.5 AU - 4.5 AU

Year: 5165 Days

Day: 9.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 48,351,221 km

• M1: 120,576 km (0.074 R)
• M2: 821,143 km (0.074 R)
• M3: 1,208,152 km (0.113 R)
• M4: 2,244,716 km (0.112 R)
• M5: 2,826,951 km (0.096 R)
• M6: 3,853,940 km (0.106 R)
• M7: 5,452,992 km (0.109 R)
• M8: 7,387,592 km (0.084 R)
• M9: 7,823,520 km (0.096 R)
• M10: 8,455,421 km (0.111 R)
• M11: 8,783,938 km (0.106 R)
• M12: 9,158,830 km (0.039 R)
• M13: 9,741,365 km (0.093 R)
• M14: 11,023,418 km (0.041 R)
• M15: 11,772,604 km (0.099 R)
• M16: 12,791,964 km (0.082 R)
• M17: 13,520,057 km (0.094 R)
• M18: 16,597,285 km (0.095 R)
• M19: 19,474,202 km (0.116 R)
• M20: 20,765,531 km (0.114 R)
• M21: 21,163,760 km (0.064 R)
• M22: 24,981,199 km (0.106 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.39 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 628.9

Radius: 7.6

Gravity: 10.89 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.95 AU - 8.83 AU

Year: 12971 Days

Day: 23.3 Hours

Environment

Temp: -219 °C

Axial Tilt: 39.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,351,221 km

• M1: 94,546 km (0.075 R)
• M2: 352,153 km (0.104 R)
• M3: 758,760 km (0.062 R)
• M4: 1,089,372 km (0.079 R)
• M5: 1,573,171 km (0.092 R)
• M6: 1,890,169 km (0.111 R)
• M7: 2,851,186 km (0.051 R)
• M8: 3,477,702 km (0.037 R)
• M9: 3,962,997 km (0.035 R)
• M10: 5,874,260 km (0.105 R)
• M11: 7,134,173 km (0.099 R)
• M12: 8,612,499 km (0.05 R)
• M13: 9,756,773 km (0.067 R)
• M14: 10,720,483 km (0.101 R)
• M15: 11,512,903 km (0.092 R)
• M16: 13,469,942 km (0.09 R)
• M17: 15,145,588 km (0.062 R)
• M18: 15,426,084 km (0.075 R)
• M19: 21,261,298 km (0.029 R)
• M20: 23,900,354 km (0.084 R)
• M21: 28,203,986 km (0.065 R)
• M22: 29,165,750 km (0.095 R)
• M23: 36,144,192 km (0.101 R)
• M24: 38,306,629 km (0.113 R)
• M25: 41,094,984 km (0.027 R)
• M26: 41,504,134 km (0.072 R)
• M27: 43,731,946 km (0.114 R)
• M28: 46,627,412 km (0.07 R)
• M29: 46,923,766 km (0.117 R)
• M30: 49,033,694 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 395

Radius: 5.6

Gravity: 12.6 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 6.06 AU - 9 AU

Year: 13342 Days

Day: 18 Hours

Environment

Temp: -217 °C

Axial Tilt: 2.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,351,221 km

• M1: 69,713 km (0.036 R)
• M2: 298,597 km (0.061 R)
• M3: 576,700 km (0.1 R)
• M4: 1,284,148 km (0.054 R)
• M5: 2,782,221 km (0.1 R)
• M6: 4,043,780 km (0.094 R)
• M7: 4,498,707 km (0.098 R)
• M8: 5,050,424 km (0.073 R)
• M9: 8,503,293 km (0.11 R)
• M10: 8,824,180 km (0.025 R)
• M11: 10,137,649 km (0.047 R)
• M12: 11,970,672 km (0.071 R)
• M13: 13,206,949 km (0.094 R)
• M14: 14,721,328 km (0.095 R)
• M15: 18,392,609 km (0.092 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: 322 - 17,318 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit