🌌 Stone's Star System Generator

Asteroid Belt

Center: 1.93 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 3.86 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.16

Radius: 1.06

Gravity: 1.03 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 3.47 AU - 4.25 AU

Year: 2641 Days

Day: 44.4 Hours

Environment

Temp: -114 °C

Axial Tilt: 0.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 4.16 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.06

Radius: 1.02

Gravity: 1.02 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 3.54 AU - 4.78 AU

Year: 2955 Days

Day: 24 Hours

Environment

Temp: -115 °C

Axial Tilt: 20.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 48,306,385 km

• M1: 23,786 km (0.099 R)

Asteroid Belt

Center: 6.09 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 8.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 985

Radius: 8

Gravity: 15.39 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 7.78 AU - 8.24 AU

Year: 7895 Days

Day: 8 Hours

Environment

Temp: -161 °C

Axial Tilt: 2.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 48,306,385 km

• M1: 99,931 km (0.056 R)
• M2: 604,076 km (0.067 R)
• M3: 928,853 km (0.116 R)
• M4: 1,271,432 km (0.101 R)
• M5: 2,110,826 km (0.051 R)
• M6: 2,531,346 km (0.068 R)
• M7: 3,947,888 km (0.081 R)
• M8: 5,692,648 km (0.076 R)
• M9: 6,810,593 km (0.117 R)
• M10: 7,240,537 km (0.115 R)
• M11: 7,605,705 km (0.066 R)
• M12: 8,594,846 km (0.11 R)
• M13: 8,958,220 km (0.051 R)
• M14: 9,379,188 km (0.111 R)
• M15: 10,110,123 km (0.113 R)
• M16: 10,413,059 km (0.059 R)
• M17: 10,669,919 km (0.075 R)
• M18: 11,851,443 km (0.063 R)
• M19: 12,359,028 km (0.119 R)
• M20: 14,727,761 km (0.096 R)
• M21: 16,465,490 km (0.104 R)
• M22: 18,484,911 km (0.07 R)
• M23: 26,182,470 km (0.102 R)
• M24: 27,334,523 km (0.096 R)
• M25: 31,311,732 km (0.105 R)
• M26: 31,956,050 km (0.087 R)
• M27: 33,382,166 km (0.116 R)
• M28: 33,941,812 km (0.077 R)
• M29: 35,542,210 km (0.083 R)
• M30: 36,360,959 km (0.102 R)
• M31: 39,139,889 km (0.117 R)
• M32: 39,762,216 km (0.111 R)

Planet 4 - Gas Giant

Semi-Major Axis: 8.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 219.7

Radius: 10.2

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.05 AU - 10.47 AU

Year: 9029 Days

Day: 8.2 Hours

Environment

Temp: -170 °C

Axial Tilt: 21.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 48,306,385 km

• M1: 126,859 km (0.104 R)
• M2: 840,890 km (0.111 R)
• M3: 2,964,431 km (0.092 R)
• M4: 4,722,805 km (0.058 R)
• M5: 6,491,949 km (0.05 R)
• M6: 6,852,779 km (0.097 R)
• M7: 8,509,576 km (0.105 R)
• M8: 9,103,479 km (0.026 R)
• M9: 10,285,751 km (0.102 R)
• M10: 11,952,571 km (0.039 R)
• M11: 12,697,718 km (0.105 R)
• M12: 13,526,340 km (0.09 R)
• M13: 13,899,886 km (0.111 R)
• M14: 14,836,219 km (0.111 R)
• M15: 17,329,118 km (0.06 R)
• M16: 20,575,691 km (0.081 R)
• M17: 21,790,875 km (0.065 R)
• M18: 24,051,149 km (0.116 R)
• M19: 25,560,891 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 9.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.1

Radius: 12.5

Gravity: 4.52 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.29 AU - 11.31 AU

Year: 10684 Days

Day: 6.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 20.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 48,306,385 km

• M1: 155,432 km (0.109 R)
• M2: 852,857 km (0.101 R)
• M3: 1,323,343 km (0.114 R)
• M4: 2,227,064 km (0.067 R)
• M5: 2,815,731 km (0.073 R)
• M6: 4,083,124 km (0.077 R)
• M7: 4,511,722 km (0.103 R)
• M8: 5,130,160 km (0.089 R)
• M9: 6,461,431 km (0.066 R)
• M10: 6,966,174 km (0.072 R)
• M11: 9,498,118 km (0.119 R)
• M12: 10,307,144 km (0.083 R)
• M13: 11,550,003 km (0.055 R)
• M14: 12,178,613 km (0.102 R)
• M15: 12,769,824 km (0.114 R)
• M16: 13,629,563 km (0.073 R)
• M17: 14,202,523 km (0.047 R)
• M18: 14,924,332 km (0.084 R)
• M19: 15,328,396 km (0.112 R)
• M20: 18,059,156 km (0.096 R)
• M21: 19,300,668 km (0.035 R)
• M22: 20,432,975 km (0.115 R)
• M23: 23,547,453 km (0.066 R)
• M24: 24,280,333 km (0.109 R)
• M25: 25,408,002 km (0.084 R)
• M26: 26,570,377 km (0.093 R)
• M27: 26,965,615 km (0.091 R)
• M28: 27,364,742 km (0.073 R)
• M29: 32,580,172 km (0.053 R)
• M30: 33,490,326 km (0.072 R)
• M31: 34,300,548 km (0.117 R)
• M32: 36,565,609 km (0.051 R)
• M33: 37,177,764 km (0.111 R)
• M34: 37,796,949 km (0.041 R)
• M35: 45,348,949 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 581.6

Radius: 14.6

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.078

Orbit Range: 9.2 AU - 10.76 AU

Year: 10980 Days

Day: 9.5 Hours

Environment

Temp: -174 °C

Axial Tilt: 3.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,306,385 km

• M1: 191,485 km (0.06 R)
• M2: 915,689 km (0.045 R)
• M3: 1,818,362 km (0.109 R)
• M4: 2,521,771 km (0.102 R)
• M5: 3,378,518 km (0.102 R)
• M6: 4,225,392 km (0.114 R)
• M7: 5,371,910 km (0.114 R)
• M8: 7,066,106 km (0.061 R)
• M9: 8,320,035 km (0.07 R)
• M10: 13,829,426 km (0.086 R)
• M11: 15,649,732 km (0.118 R)
• M12: 32,090,987 km (0.118 R)
• M13: 34,567,580 km (0.028 R)
• M14: 43,293,773 km (0.039 R)
• M15: 44,649,429 km (0.056 R)

Kuiper Belt

Range: 31.5 - 46.5 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 542 - 11,389 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit