🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 500.4

Radius: 13.8

Gravity: 2.63 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 0.7 AU - 0.76 AU

Year: 423 Days

Day: 6.1 Hours

Environment

Temp: -166 °C

Axial Tilt: 5.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,123,216 km

• M1: 172,337 km (0.089 R)
• M2: 714,928 km (0.112 R)
• M3: 1,165,816 km (0.093 R)
• M4: 1,737,729 km (0.086 R)
• M5: 2,344,797 km (0.091 R)
• M6: 2,895,766 km (0.057 R)
• M7: 3,429,980 km (0.084 R)
• M8: 3,879,671 km (0.095 R)
• M9: 4,436,325 km (0.059 R)
• M10: 5,195,684 km (0.065 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 757.2

Radius: 14.5

Gravity: 3.6 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.8 AU - 1.02 AU

Year: 589 Days

Day: 14.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 37 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 32,123,216 km

• M1: 180,265 km (0.116 R)
• M2: 734,376 km (0.032 R)
• M3: 1,245,701 km (0.118 R)
• M4: 1,699,133 km (0.075 R)
• M5: 2,323,405 km (0.073 R)
• M6: 2,856,123 km (0.089 R)
• M7: 3,318,380 km (0.066 R)
• M8: 4,261,146 km (0.116 R)
• M9: 6,125,734 km (0.101 R)
• M10: 6,965,426 km (0.095 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 11.5

Gravity: 4.78 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.06 AU - 1.74 AU

Year: 1124 Days

Day: 14.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 31.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 32,123,216 km

• M1: 143,016 km (0.099 R)
• M2: 553,363 km (0.08 R)
• M3: 1,075,010 km (0.081 R)
• M4: 1,975,589 km (0.078 R)
• M5: 2,378,307 km (0.088 R)
• M6: 3,979,752 km (0.106 R)
• M7: 5,672,751 km (0.066 R)
• M8: 6,890,328 km (0.093 R)
• M9: 7,649,238 km (0.059 R)
• M10: 9,046,632 km (0.085 R)
• M11: 10,048,190 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.1

Radius: 13

Gravity: 4.35 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 1.4 AU - 2.14 AU

Year: 1597 Days

Day: 7.2 Hours

Environment

Temp: -189 °C

Axial Tilt: 34.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 32,123,216 km

• M1: 197,619 km (0.078 R)
• M2: 790,026 km (0.104 R)
• M3: 1,480,720 km (0.113 R)
• M4: 3,050,899 km (0.055 R)
• M5: 3,853,791 km (0.11 R)
• M6: 4,515,911 km (0.116 R)
• M7: 4,957,075 km (0.037 R)
• M8: 5,537,814 km (0.099 R)
• M9: 7,071,641 km (0.102 R)
• M10: 8,066,467 km (0.062 R)
• M11: 9,152,697 km (0.055 R)
• M12: 10,197,937 km (0.118 R)
• M13: 11,176,457 km (0.112 R)
• M14: 12,102,019 km (0.107 R)
• M15: 14,275,377 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 894.1

Radius: 13

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 2.8 AU - 4.66 AU

Year: 4886 Days

Day: 9.9 Hours

Environment

Temp: -217 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 32,123,216 km

• M1: 161,715 km (0.12 R)
• M2: 581,337 km (0.077 R)
• M3: 1,088,175 km (0.053 R)
• M4: 1,524,402 km (0.117 R)
• M5: 2,231,103 km (0.058 R)
• M6: 2,678,999 km (0.065 R)
• M7: 3,627,000 km (0.064 R)
• M8: 4,252,170 km (0.098 R)
• M9: 4,813,910 km (0.099 R)
• M10: 5,281,553 km (0.111 R)
• M11: 5,719,276 km (0.093 R)
• M12: 6,244,814 km (0.085 R)
• M13: 7,609,894 km (0.111 R)
• M14: 8,838,242 km (0.05 R)
• M15: 9,542,549 km (0.105 R)
• M16: 12,230,524 km (0.111 R)
• M17: 14,808,843 km (0.105 R)
• M18: 15,863,059 km (0.114 R)
• M19: 17,473,330 km (0.081 R)
• M20: 20,019,187 km (0.066 R)
• M21: 20,656,624 km (0.1 R)
• M22: 21,527,732 km (0.119 R)
• M23: 22,347,379 km (0.075 R)
• M24: 23,891,229 km (0.111 R)
• M25: 25,422,513 km (0.11 R)
• M26: 25,836,151 km (0.084 R)
• M27: 26,932,703 km (0.109 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 120

Radius: 3.2

Gravity: 11.72 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.55 AU - 7.53 AU

Year: 10068 Days

Day: 20.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 14.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 32,123,216 km

• M1: 40,391 km (0.081 R)
• M2: 201,957 km (0.118 R)
• M3: 896,690 km (0.057 R)
• M4: 1,125,425 km (0.097 R)
• M5: 1,243,308 km (0.087 R)
• M6: 1,402,480 km (0.113 R)
• M7: 2,004,611 km (0.098 R)
• M8: 2,119,503 km (0.118 R)
• M9: 2,658,354 km (0.115 R)
• M10: 2,797,331 km (0.081 R)
• M11: 3,071,095 km (0.093 R)
• M12: 3,443,145 km (0.118 R)
• M13: 3,735,758 km (0.1 R)
• M14: 4,090,455 km (0.104 R)
• M15: 4,299,443 km (0.092 R)
• M16: 4,638,880 km (0.09 R)
• M17: 4,943,611 km (0.084 R)
• M18: 5,343,187 km (0.063 R)
• M19: 5,649,564 km (0.084 R)
• M20: 6,026,700 km (0.088 R)
• M21: 6,798,625 km (0.107 R)
• M22: 7,774,003 km (0.113 R)
• M23: 8,167,296 km (0.042 R)
• M24: 8,276,801 km (0.072 R)
• M25: 9,832,021 km (0.053 R)
• M26: 10,678,146 km (0.083 R)
• M27: 12,757,258 km (0.087 R)
• M28: 13,659,333 km (0.118 R)
• M29: 14,389,670 km (0.093 R)
• M30: 14,496,183 km (0.065 R)
• M31: 15,145,737 km (0.077 R)
• M32: 15,927,835 km (0.115 R)
• M33: 16,854,295 km (0.118 R)
• M34: 19,455,951 km (0.116 R)
• M35: 22,887,128 km (0.111 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 268.9

Radius: 7.4

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 5.33 AU - 7.63 AU

Year: 11188 Days

Day: 24.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 20.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 32,123,216 km

• M1: 93,798 km (0.091 R)
• M2: 380,577 km (0.109 R)
• M3: 1,002,755 km (0.095 R)
• M4: 1,794,426 km (0.066 R)
• M5: 2,178,893 km (0.085 R)
• M6: 3,219,346 km (0.072 R)
• M7: 4,291,065 km (0.115 R)
• M8: 5,276,018 km (0.084 R)
• M9: 5,552,026 km (0.112 R)
• M10: 6,066,493 km (0.073 R)
• M11: 7,530,458 km (0.087 R)
• M12: 7,762,933 km (0.112 R)
• M13: 8,323,925 km (0.088 R)
• M14: 9,128,163 km (0.081 R)
• M15: 10,743,820 km (0.101 R)
• M16: 13,539,804 km (0.109 R)
• M17: 14,293,179 km (0.118 R)
• M18: 16,395,328 km (0.099 R)
• M19: 16,721,003 km (0.099 R)
• M20: 17,655,690 km (0.056 R)
• M21: 20,144,400 km (0.115 R)
• M22: 20,442,998 km (0.117 R)
• M23: 30,442,120 km (0.079 R)
• M24: 30,934,296 km (0.09 R)
• M25: 31,431,709 km (0.09 R)
• M26: 32,647,342 km (0.104 R)
• M27: 35,605,191 km (0.101 R)
• M28: 36,814,540 km (0.09 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 100.9

Radius: 3.8

Gravity: 6.99 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 6.93 AU - 8.33 AU

Year: 14295 Days

Day: 21 Hours

Environment

Temp: -233 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 32,123,216 km

• M1: 50,115 km (0.063 R)
• M2: 797,656 km (0.094 R)
• M3: 957,277 km (0.109 R)
• M4: 1,672,055 km (0.101 R)
• M5: 3,550,406 km (0.1 R)
• M6: 5,297,111 km (0.09 R)
• M7: 5,680,381 km (0.082 R)
• M8: 6,634,965 km (0.065 R)
• M9: 11,673,720 km (0.105 R)
• M10: 12,679,766 km (0.086 R)
• M11: 13,417,583 km (0.066 R)
• M12: 14,407,621 km (0.062 R)
• M13: 17,927,809 km (0.107 R)
• M14: 19,469,116 km (0.096 R)
• M15: 20,449,431 km (0.104 R)
• M16: 27,461,681 km (0.084 R)
• M17: 28,072,788 km (0.111 R)
• M18: 30,888,520 km (0.039 R)
• M19: 31,739,881 km (0.043 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 340 - 16,391 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit