🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 949.9

Radius: 11.5

Gravity: 7.18 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 0.47 AU - 0.61 AU

Year: 274 Days

Day: 6.2 Hours

Environment

Temp: -138 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,050,628 km

• M1: 143,614 km (0.061 R)
• M2: 512,672 km (0.069 R)
• M3: 1,011,431 km (0.117 R)
• M4: 1,384,528 km (0.116 R)
• M5: 2,245,165 km (0.089 R)
• M6: 2,946,928 km (0.106 R)
• M7: 3,648,692 km (0.08 R)
• M8: 4,261,744 km (0.078 R)
• M9: 4,828,720 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 553.4

Radius: 10.1

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.6 AU - 0.7 AU

Year: 362 Days

Day: 10.3 Hours

Environment

Temp: -149 °C

Axial Tilt: 16.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 73,050,628 km

• M1: 125,662 km (0.116 R)
• M2: 525,388 km (0.106 R)
• M3: 1,048,980 km (0.117 R)
• M4: 1,450,202 km (0.089 R)
• M5: 2,331,483 km (0.096 R)
• M6: 2,826,053 km (0.085 R)
• M7: 3,183,293 km (0.096 R)
• M8: 3,830,005 km (0.084 R)
• M9: 4,453,977 km (0.11 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 981.4

Radius: 9.6

Gravity: 10.65 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 0.91 AU - 1.17 AU

Year: 732 Days

Day: 6.4 Hours

Environment

Temp: -183 °C

Axial Tilt: 112.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 73,050,628 km

• M1: 119,379 km (0.111 R)
• M2: 433,983 km (0.099 R)
• M3: 772,374 km (0.039 R)
• M4: 1,088,773 km (0.079 R)
• M5: 1,517,371 km (0.069 R)
• M6: 1,848,581 km (0.09 R)
• M7: 2,767,261 km (0.118 R)
• M8: 3,173,420 km (0.076 R)
• M9: 3,546,666 km (0.067 R)
• M10: 3,903,008 km (0.1 R)
• M11: 5,118,342 km (0.11 R)
• M12: 7,017,187 km (0.112 R)
• M13: 7,509,215 km (0.088 R)
• M14: 8,483,845 km (0.055 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.2

Radius: 12.7

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.24

Orbit Range: 2.64 AU - 4.32 AU

Year: 4481 Days

Day: 12.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 9.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 73,050,628 km

• M1: 157,975 km (0.087 R)
• M2: 1,005,746 km (0.045 R)
• M3: 1,923,978 km (0.113 R)
• M4: 2,985,076 km (0.06 R)
• M5: 6,174,802 km (0.098 R)
• M6: 7,703,243 km (0.116 R)
• M7: 8,805,779 km (0.118 R)
• M8: 10,859,609 km (0.117 R)
• M9: 15,520,330 km (0.109 R)
• M10: 23,257,682 km (0.09 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.89 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 627.1

Radius: 14.6

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.155

Orbit Range: 4.13 AU - 5.65 AU

Year: 7464 Days

Day: 11 Hours

Environment

Temp: -232 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,050,628 km

• M1: 181,761 km (0.059 R)
• M2: 663,766 km (0.078 R)
• M3: 1,733,091 km (0.114 R)
• M4: 2,339,711 km (0.083 R)
• M5: 2,886,192 km (0.081 R)
• M6: 4,215,070 km (0.107 R)
• M7: 4,721,010 km (0.115 R)
• M8: 5,888,322 km (0.084 R)
• M9: 6,768,256 km (0.119 R)
• M10: 7,389,985 km (0.052 R)
• M11: 8,009,620 km (0.078 R)
• M12: 11,542,972 km (0.111 R)
• M13: 16,781,590 km (0.118 R)
• M14: 18,061,400 km (0.109 R)
• M15: 20,815,197 km (0.074 R)
• M16: 21,818,401 km (0.115 R)
• M17: 23,671,918 km (0.12 R)
• M18: 26,512,034 km (0.12 R)
• M19: 29,572,208 km (0.1 R)
• M20: 34,861,091 km (0.088 R)
• M21: 36,829,799 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 8.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128

Radius: 4.1

Gravity: 7.61 G

Time & Orbit

Eccentricity (e): 0.187

Orbit Range: 7.18 AU - 10.48 AU

Year: 18111 Days

Day: 24.8 Hours

Environment

Temp: -243 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 73,050,628 km

• M1: 121,324 km (0.101 R)
• M2: 268,977 km (0.076 R)
• M3: 741,257 km (0.065 R)
• M4: 1,159,982 km (0.108 R)
• M5: 1,310,029 km (0.091 R)
• M6: 3,306,861 km (0.093 R)
• M7: 5,835,215 km (0.118 R)
• M8: 6,633,918 km (0.104 R)
• M9: 8,922,915 km (0.093 R)
• M10: 9,418,233 km (0.081 R)
• M11: 14,483,168 km (0.035 R)
• M12: 15,040,570 km (0.119 R)
• M13: 16,798,494 km (0.081 R)
• M14: 17,831,917 km (0.059 R)
• M15: 25,468,289 km (0.103 R)
• M16: 26,097,648 km (0.115 R)
• M17: 26,829,630 km (0.075 R)
• M18: 29,499,204 km (0.031 R)
• M19: 38,560,198 km (0.115 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.91 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.9

Radius: 3.7

Gravity: 38.2 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 7.87 AU - 11.95 AU

Year: 21534 Days

Day: 17.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 31.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 73,050,628 km

• M1: 46,076 km (0.103 R)
• M2: 328,517 km (0.058 R)
• M3: 546,780 km (0.07 R)
• M4: 899,981 km (0.055 R)
• M5: 1,419,983 km (0.08 R)
• M6: 1,735,934 km (0.069 R)
• M7: 2,199,986 km (0.089 R)
• M8: 4,179,765 km (0.092 R)
• M9: 6,138,449 km (0.117 R)
• M10: 6,610,281 km (0.065 R)
• M11: 7,722,691 km (0.032 R)
• M12: 7,870,045 km (0.108 R)
• M13: 10,853,326 km (0.082 R)
• M14: 12,729,881 km (0.096 R)
• M15: 14,143,282 km (0.117 R)
• M16: 17,613,952 km (0.107 R)
• M17: 21,807,031 km (0.094 R)
• M18: 22,698,485 km (0.115 R)
• M19: 23,000,972 km (0.117 R)
• M20: 30,476,677 km (0.116 R)
• M21: 30,844,837 km (0.076 R)
• M22: 32,219,941 km (0.116 R)
• M23: 34,823,991 km (0.078 R)
• M24: 48,285,705 km (0.095 R)
• M25: 53,622,010 km (0.081 R)
• M26: 62,440,954 km (0.099 R)
• M27: 71,097,136 km (0.097 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: 306 - 14,334 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit