🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 655.6

Radius: 14

Gravity: 3.34 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 0.85 AU - 0.93 AU

Year: 534 Days

Day: 12.2 Hours

Environment

Temp: -162 °C

Axial Tilt: 18.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 87,355,207 km

• M1: 174,132 km (0.081 R)
• M2: 657,333 km (0.057 R)
• M3: 1,527,544 km (0.108 R)
• M4: 2,024,059 km (0.087 R)
• M5: 2,649,677 km (0.043 R)
• M6: 3,210,520 km (0.097 R)
• M7: 4,026,576 km (0.087 R)
• M8: 4,604,323 km (0.07 R)
• M9: 5,105,925 km (0.03 R)
• M10: 6,313,629 km (0.118 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 811.2

Radius: 10.2

Gravity: 7.8 G

Time & Orbit

Eccentricity (e): 0.059

Orbit Range: 1.32 AU - 1.48 AU

Year: 1053 Days

Day: 6.7 Hours

Environment

Temp: -178 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 87,355,207 km

• M1: 127,009 km (0.091 R)
• M2: 500,255 km (0.093 R)
• M3: 1,125,724 km (0.064 R)
• M4: 1,567,038 km (0.048 R)
• M5: 1,977,385 km (0.109 R)
• M6: 2,308,744 km (0.063 R)
• M7: 2,792,095 km (0.119 R)
• M8: 4,901,574 km (0.097 R)
• M9: 5,809,783 km (0.109 R)
• M10: 6,922,193 km (0.118 R)
• M11: 9,445,011 km (0.05 R)
• M12: 10,239,077 km (0.098 R)
• M13: 10,781,818 km (0.097 R)
• M14: 11,310,048 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.7

Radius: 12.5

Gravity: 4.93 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 3.57 AU - 4.89 AU

Year: 5532 Days

Day: 8.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,355,207 km

• M1: 155,432 km (0.116 R)
• M2: 589,416 km (0.059 R)
• M3: 987,944 km (0.109 R)
• M4: 1,638,845 km (0.077 R)
• M5: 2,460,137 km (0.07 R)
• M6: 3,162,050 km (0.055 R)
• M7: 4,235,714 km (0.09 R)
• M8: 4,884,370 km (0.055 R)
• M9: 5,688,459 km (0.093 R)
• M10: 7,234,703 km (0.052 R)
• M11: 7,670,930 km (0.101 R)
• M12: 9,856,555 km (0.027 R)
• M13: 17,664,068 km (0.112 R)
• M14: 18,863,544 km (0.088 R)
• M15: 19,275,087 km (0.088 R)
• M16: 20,116,426 km (0.106 R)
• M17: 21,647,560 km (0.082 R)
• M18: 24,128,042 km (0.026 R)
• M19: 25,603,825 km (0.05 R)
• M20: 28,284,918 km (0.112 R)
• M21: 30,485,503 km (0.071 R)

Planet 4 - Ice Giant

Semi-Major Axis: 8.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 813.5

Radius: 3.1

Gravity: 84.65 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 6.74 AU - 9.3 AU

Year: 14441 Days

Day: 23.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 87,355,207 km

• M1: 42,037 km (0.053 R)
• M2: 184,305 km (0.084 R)
• M3: 416,480 km (0.095 R)
• M4: 519,105 km (0.084 R)
• M5: 1,231,041 km (0.115 R)
• M6: 1,507,498 km (0.107 R)
• M7: 1,702,424 km (0.117 R)
• M8: 1,950,756 km (0.098 R)
• M9: 2,841,312 km (0.073 R)
• M10: 3,853,641 km (0.114 R)
• M11: 5,521,957 km (0.115 R)
• M12: 7,386,993 km (0.042 R)
• M13: 8,535,307 km (0.11 R)
• M14: 8,737,563 km (0.081 R)
• M15: 10,763,118 km (0.085 R)
• M16: 12,232,019 km (0.079 R)
• M17: 13,760,012 km (0.034 R)
• M18: 16,477,457 km (0.09 R)
• M19: 17,028,875 km (0.05 R)
• M20: 21,053,656 km (0.032 R)
• M21: 21,515,764 km (0.107 R)
• M22: 31,993,749 km (0.095 R)
• M23: 32,604,407 km (0.068 R)
• M24: 33,472,224 km (0.063 R)
• M25: 34,482,758 km (0.11 R)
• M26: 37,097,729 km (0.11 R)
• M27: 38,043,187 km (0.069 R)
• M28: 40,833,188 km (0.093 R)
• M29: 45,269,064 km (0.091 R)
• M30: 46,659,875 km (0.045 R)
• M31: 49,851,994 km (0.078 R)
• M32: 53,528,213 km (0.082 R)
• M33: 53,699,352 km (0.093 R)

Planet 5 - Ice Giant

Semi-Major Axis: 10.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 844.3

Radius: 6.3

Gravity: 21.27 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 10.28 AU - 11.06 AU

Year: 22161 Days

Day: 24.9 Hours

Environment

Temp: -234 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 87,355,207 km

• M1: 78,389 km (0.06 R)
• M2: 293,062 km (0.05 R)
• M3: 570,566 km (0.116 R)
• M4: 945,758 km (0.117 R)
• M5: 1,240,166 km (0.117 R)
• M6: 1,525,449 km (0.025 R)
• M7: 3,569,555 km (0.093 R)
• M8: 4,252,918 km (0.034 R)
• M9: 6,049,588 km (0.077 R)
• M10: 6,684,033 km (0.115 R)
• M11: 7,312,045 km (0.044 R)
• M12: 11,723,985 km (0.094 R)
• M13: 13,293,716 km (0.111 R)
• M14: 15,819,825 km (0.077 R)
• M15: 17,641,030 km (0.112 R)
• M16: 23,280,720 km (0.079 R)
• M17: 25,513,767 km (0.093 R)
• M18: 28,625,104 km (0.077 R)
• M19: 34,170,248 km (0.083 R)
• M20: 34,591,665 km (0.047 R)
• M21: 36,166,781 km (0.101 R)
• M22: 40,547,306 km (0.099 R)
• M23: 43,766,203 km (0.087 R)
• M24: 46,460,910 km (0.081 R)
• M25: 47,673,849 km (0.07 R)
• M26: 51,807,687 km (0.097 R)
• M27: 52,178,092 km (0.033 R)
• M28: 52,924,136 km (0.101 R)
• M29: 56,565,199 km (0.093 R)
• M30: 57,154,914 km (0.088 R)
• M31: 57,352,532 km (0.106 R)
• M32: 71,189,887 km (0.106 R)
• M33: 73,265,408 km (0.088 R)
• M34: 82,474,353 km (0.089 R)
• M35: 84,506,640 km (0.103 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 197 - 13,165 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit