🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.95 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 1.89 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.52

Radius: 1.45

Gravity: 1.2 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.49 AU - 2.29 AU

Year: 1089 Days

Day: 38 Hours

Environment

Temp: -108 °C

Axial Tilt: 165.3 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 4.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 210.3

Radius: 10.8

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 4.44 AU - 4.76 AU

Year: 4134 Days

Day: 12 Hours

Environment

Temp: -151 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 19,222,835 km

• M1: 134,339 km (0.119 R)
• M2: 529,427 km (0.065 R)
• M3: 865,573 km (0.115 R)
• M4: 1,416,393 km (0.03 R)
• M5: 6,401,143 km (0.104 R)
• M6: 6,892,722 km (0.112 R)
• M7: 7,263,425 km (0.066 R)
• M8: 7,890,390 km (0.103 R)
• M9: 8,424,006 km (0.071 R)
• M10: 10,390,919 km (0.087 R)
• M11: 14,366,632 km (0.093 R)
• M12: 17,257,461 km (0.097 R)
• M13: 17,889,661 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.3

Radius: 9.4

Gravity: 2.29 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.3 AU - 5.78 AU

Year: 4741 Days

Day: 6.9 Hours

Environment

Temp: -162 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 19,222,835 km

• M1: 116,986 km (0.114 R)
• M2: 414,685 km (0.053 R)
• M3: 708,346 km (0.113 R)
• M4: 1,117,945 km (0.094 R)
• M5: 1,862,942 km (0.103 R)
• M6: 2,210,458 km (0.102 R)
• M7: 2,675,708 km (0.028 R)
• M8: 3,137,516 km (0.07 R)
• M9: 3,689,233 km (0.103 R)
• M10: 5,587,331 km (0.11 R)
• M11: 7,108,891 km (0.093 R)
• M12: 7,528,812 km (0.116 R)
• M13: 8,029,067 km (0.091 R)
• M14: 8,957,771 km (0.073 R)
• M15: 10,142,287 km (0.109 R)
• M16: 10,597,812 km (0.078 R)
• M17: 13,397,387 km (0.117 R)
• M18: 13,807,584 km (0.088 R)
• M19: 14,701,282 km (0.084 R)
• M20: 19,233,798 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.43 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.2

Radius: 9.7

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 4.52 AU - 6.34 AU

Year: 5301 Days

Day: 11 Hours

Environment

Temp: -168 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 19,222,835 km

• M1: 120,576 km (0.078 R)
• M2: 462,407 km (0.092 R)
• M3: 813,812 km (0.088 R)
• M4: 1,329,775 km (0.09 R)
• M5: 2,158,847 km (0.061 R)
• M6: 4,096,289 km (0.092 R)
• M7: 5,877,551 km (0.085 R)
• M8: 6,287,898 km (0.086 R)
• M9: 6,746,714 km (0.1 R)
• M10: 7,539,882 km (0.034 R)
• M11: 7,926,294 km (0.059 R)
• M12: 9,274,470 km (0.095 R)
• M13: 10,371,920 km (0.103 R)
• M14: 11,385,445 km (0.104 R)
• M15: 12,463,896 km (0.076 R)
• M16: 13,327,824 km (0.105 R)
• M17: 14,328,634 km (0.095 R)
• M18: 14,772,640 km (0.069 R)
• M19: 16,967,091 km (0.091 R)
• M20: 17,857,498 km (0.104 R)
• M21: 18,661,886 km (0.086 R)
• M22: 19,013,889 km (0.119 R)
• M23: 19,370,381 km (0.065 R)
• M24: 20,466,634 km (0.069 R)

Planet 5 - Gas Giant

Semi-Major Axis: 8.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.7

Radius: 9.2

Gravity: 10.62 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 6.28 AU - 10.42 AU

Year: 10109 Days

Day: 12.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 25.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 19,222,835 km

• M1: 114,742 km (0.105 R)
• M2: 406,906 km (0.061 R)
• M3: 723,156 km (0.08 R)
• M4: 1,073,814 km (0.03 R)
• M5: 1,427,463 km (0.086 R)
• M6: 1,924,876 km (0.075 R)
• M7: 2,337,168 km (0.117 R)
• M8: 2,807,653 km (0.08 R)
• M9: 3,147,689 km (0.085 R)
• M10: 4,163,010 km (0.065 R)
• M11: 9,228,393 km (0.113 R)
• M12: 10,088,581 km (0.077 R)
• M13: 10,457,938 km (0.049 R)
• M14: 12,322,526 km (0.117 R)
• M15: 12,867,212 km (0.025 R)
• M16: 13,176,730 km (0.084 R)
• M17: 15,624,301 km (0.074 R)
• M18: 17,140,475 km (0.075 R)
• M19: 18,516,177 km (0.071 R)
• M20: 19,150,771 km (0.112 R)
• M21: 22,542,754 km (0.048 R)
• M22: 23,633,621 km (0.082 R)
• M23: 24,004,923 km (0.108 R)
• M24: 26,315,462 km (0.099 R)
• M25: 30,489,093 km (0.105 R)
• M26: 34,724,359 km (0.095 R)
• M27: 35,567,492 km (0.076 R)
• M28: 38,434,087 km (0.082 R)
• M29: 42,810,722 km (0.076 R)
• M30: 49,753,110 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 37.7

Radius: 11

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.165

Orbit Range: 7.3 AU - 10.18 AU

Year: 10826 Days

Day: 9.7 Hours

Environment

Temp: -182 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 19,222,835 km

• M1: 136,882 km (0.082 R)
• M2: 756,367 km (0.087 R)
• M3: 1,471,594 km (0.118 R)
• M4: 2,093,173 km (0.087 R)
• M5: 3,506,574 km (0.106 R)
• M6: 3,977,508 km (0.118 R)
• M7: 7,870,942 km (0.118 R)
• M8: 8,515,111 km (0.087 R)
• M9: 10,204,968 km (0.094 R)
• M10: 11,734,307 km (0.068 R)
• M11: 17,772,526 km (0.101 R)
• M12: 19,222,878 km (0.044 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 178 - 10,855 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit