🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.9

Radius: 14.9

Gravity: 4.3 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.45 AU - 0.59 AU

Year: 254 Days

Day: 8.8 Hours

Environment

Temp: -138 °C

Axial Tilt: 156 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 28,014,600 km

• M1: 185,352 km (0.107 R)
• M2: 778,507 km (0.106 R)
• M3: 1,249,890 km (0.115 R)
• M4: 2,286,753 km (0.088 R)
• M5: 3,877,577 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 680.6

Radius: 12.7

Gravity: 4.22 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.58 AU - 0.76 AU

Year: 372 Days

Day: 5 Hours

Environment

Temp: -152 °C

Axial Tilt: 9.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 28,014,600 km

• M1: 157,975 km (0.074 R)
• M2: 569,070 km (0.061 R)
• M3: 1,004,400 km (0.097 R)
• M4: 1,748,500 km (0.113 R)
• M5: 2,419,297 km (0.113 R)
• M6: 3,030,404 km (0.12 R)
• M7: 3,587,058 km (0.103 R)
• M8: 4,068,164 km (0.094 R)
• M9: 5,176,086 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 643.4

Radius: 11.7

Gravity: 4.7 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.73 AU - 1.13 AU

Year: 608 Days

Day: 5 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 28,014,600 km

• M1: 145,559 km (0.118 R)
• M2: 520,750 km (0.072 R)
• M3: 888,911 km (0.12 R)
• M4: 1,272,180 km (0.109 R)
• M5: 1,659,489 km (0.108 R)
• M6: 2,154,060 km (0.101 R)
• M7: 2,746,318 km (0.105 R)
• M8: 3,232,062 km (0.118 R)
• M9: 4,423,160 km (0.108 R)
• M10: 4,912,046 km (0.095 R)
• M11: 5,401,830 km (0.113 R)
• M12: 5,905,675 km (0.037 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 946.1

Radius: 12.6

Gravity: 5.96 G

Time & Orbit

Eccentricity (e): 0.024

Orbit Range: 1.44 AU - 1.52 AU

Year: 1221 Days

Day: 12.9 Hours

Environment

Temp: -194 °C

Axial Tilt: 36.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 28,014,600 km

• M1: 156,779 km (0.036 R)
• M2: 793,168 km (0.051 R)
• M3: 1,196,185 km (0.106 R)
• M4: 1,818,811 km (0.111 R)
• M5: 2,975,053 km (0.088 R)
• M6: 3,402,903 km (0.081 R)
• M7: 3,923,204 km (0.082 R)
• M8: 4,477,464 km (0.1 R)
• M9: 5,655,697 km (0.078 R)
• M10: 6,436,897 km (0.083 R)
• M11: 6,853,826 km (0.064 R)
• M12: 7,769,365 km (0.112 R)
• M13: 8,328,263 km (0.118 R)
• M14: 9,125,171 km (0.095 R)
• M15: 9,620,938 km (0.104 R)
• M16: 10,299,065 km (0.116 R)
• M17: 11,078,022 km (0.094 R)
• M18: 12,639,524 km (0.112 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 709.4

Radius: 10.2

Gravity: 6.82 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 2.78 AU - 3.32 AU

Year: 3613 Days

Day: 9.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 28,014,600 km

• M1: 127,158 km (0.119 R)
• M2: 630,256 km (0.089 R)
• M3: 974,780 km (0.028 R)
• M4: 1,356,404 km (0.117 R)
• M5: 2,113,668 km (0.104 R)
• M6: 2,799,575 km (0.065 R)
• M7: 3,688,336 km (0.079 R)
• M8: 4,540,744 km (0.101 R)
• M9: 5,178,629 km (0.078 R)
• M10: 5,709,104 km (0.043 R)
• M11: 6,602,502 km (0.105 R)
• M12: 8,061,979 km (0.107 R)
• M13: 9,530,282 km (0.083 R)
• M14: 11,169,426 km (0.061 R)
• M15: 11,919,958 km (0.119 R)
• M16: 12,516,405 km (0.079 R)
• M17: 12,893,242 km (0.074 R)
• M18: 15,050,294 km (0.061 R)
• M19: 15,369,386 km (0.086 R)
• M20: 16,020,885 km (0.114 R)
• M21: 16,804,329 km (0.06 R)
• M22: 17,613,055 km (0.114 R)
• M23: 18,447,512 km (0.1 R)
• M24: 20,002,731 km (0.081 R)
• M25: 20,648,695 km (0.11 R)
• M26: 21,308,571 km (0.095 R)
• M27: 24,234,257 km (0.052 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.5

Radius: 12.5

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 3.38 AU - 3.88 AU

Year: 4691 Days

Day: 13.3 Hours

Environment

Temp: -207 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 28,014,600 km

• M1: 155,432 km (0.088 R)
• M2: 656,435 km (0.056 R)
• M3: 1,319,453 km (0.1 R)
• M4: 1,708,408 km (0.115 R)
• M5: 2,249,054 km (0.072 R)
• M6: 3,066,308 km (0.085 R)
• M7: 3,473,363 km (0.091 R)
• M8: 4,027,623 km (0.058 R)
• M9: 4,615,842 km (0.085 R)
• M10: 6,324,699 km (0.061 R)
• M11: 8,571,958 km (0.084 R)
• M12: 10,338,709 km (0.081 R)
• M13: 10,993,200 km (0.095 R)
• M14: 11,444,686 km (0.095 R)
• M15: 12,923,760 km (0.113 R)
• M16: 13,580,495 km (0.069 R)
• M17: 14,100,796 km (0.102 R)
• M18: 17,446,253 km (0.101 R)
• M19: 20,464,839 km (0.095 R)
• M20: 21,288,076 km (0.047 R)
• M21: 23,591,435 km (0.086 R)
• M22: 24,116,673 km (0.059 R)
• M23: 26,056,508 km (0.062 R)
• M24: 28,014,595 km (0.089 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 376 - 16,793 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit