🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.57 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.91

Radius: 1.3

Gravity: 1.13 G

Time & Orbit

Eccentricity (e): 0.045

Orbit Range: 0.54 AU - 0.6 AU

Year: 278 Days

Day: 47.1 Hours

Environment

Temp: -132 °C

Axial Tilt: 16.1 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 1.09 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.5

Radius: 8.9

Gravity: 1.12 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 1.27 AU - 1.93 AU

Year: 1307 Days

Day: 5.9 Hours

Environment

Temp: -176 °C

Axial Tilt: 103.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,068,204 km

• M1: 119,529 km (0.095 R)
• M2: 520,900 km (0.106 R)
• M3: 881,431 km (0.1 R)
• M4: 1,181,374 km (0.048 R)
• M5: 2,159,445 km (0.092 R)
• M6: 2,822,613 km (0.114 R)
• M7: 3,201,993 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 19.7

Radius: 9.7

Gravity: 0.21 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 1.67 AU - 2.17 AU

Year: 1718 Days

Day: 5.2 Hours

Environment

Temp: -180 °C

Axial Tilt: 23.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,068,204 km

• M1: 120,576 km (0.113 R)
• M2: 464,501 km (0.046 R)
• M3: 1,004,998 km (0.118 R)
• M4: 1,384,827 km (0.081 R)
• M5: 1,824,944 km (0.079 R)
• M6: 2,628,285 km (0.081 R)
• M7: 3,943,998 km (0.056 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.6

Radius: 10.1

Gravity: 4.94 G

Time & Orbit

Eccentricity (e): 0.25

Orbit Range: 1.46 AU - 2.43 AU

Year: 1745 Days

Day: 13.7 Hours

Environment

Temp: -180 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 87,068,204 km

• M1: 125,662 km (0.092 R)
• M2: 483,351 km (0.106 R)
• M3: 1,061,397 km (0.11 R)
• M4: 1,386,174 km (0.083 R)
• M5: 1,719,328 km (0.082 R)
• M6: 2,095,417 km (0.079 R)
• M7: 2,590,886 km (0.064 R)
• M8: 3,178,057 km (0.118 R)
• M9: 3,650,038 km (0.055 R)
• M10: 4,996,569 km (0.114 R)
• M11: 5,374,304 km (0.102 R)
• M12: 6,925,933 km (0.057 R)
• M13: 7,396,568 km (0.063 R)
• M14: 7,749,618 km (0.114 R)
• M15: 8,285,927 km (0.03 R)
• M16: 12,076,438 km (0.062 R)
• M17: 13,507,491 km (0.061 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 584

Radius: 9.8

Gravity: 6.08 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 2.52 AU - 4.02 AU

Year: 3818 Days

Day: 9.4 Hours

Environment

Temp: -215 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,068,204 km

• M1: 122,521 km (0.071 R)
• M2: 484,847 km (0.064 R)
• M3: 969,394 km (0.106 R)
• M4: 1,702,873 km (0.056 R)
• M5: 2,121,597 km (0.028 R)
• M6: 2,468,664 km (0.107 R)
• M7: 3,061,072 km (0.085 R)
• M8: 3,605,009 km (0.101 R)
• M9: 3,995,610 km (0.104 R)
• M10: 4,323,678 km (0.118 R)
• M11: 4,789,226 km (0.12 R)
• M12: 5,657,642 km (0.103 R)
• M13: 6,072,626 km (0.109 R)
• M14: 6,932,814 km (0.113 R)
• M15: 7,704,290 km (0.105 R)
• M16: 8,042,232 km (0.05 R)
• M17: 8,748,035 km (0.085 R)
• M18: 9,648,763 km (0.117 R)
• M19: 12,816,199 km (0.089 R)
• M20: 13,147,708 km (0.101 R)
• M21: 15,048,798 km (0.108 R)
• M22: 17,012,270 km (0.081 R)
• M23: 19,018,377 km (0.041 R)
• M24: 21,243,047 km (0.09 R)
• M25: 23,283,413 km (0.073 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 952.1

Radius: 10.3

Gravity: 8.97 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 4.41 AU - 4.65 AU

Year: 6225 Days

Day: 9.7 Hours

Environment

Temp: -217 °C

Axial Tilt: 37.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 87,068,204 km

• M1: 259,253 km (0.119 R)
• M2: 632,649 km (0.099 R)
• M3: 1,095,954 km (0.107 R)
• M4: 1,629,121 km (0.058 R)
• M5: 2,846,698 km (0.073 R)
• M6: 3,741,742 km (0.108 R)
• M7: 4,729,537 km (0.08 R)
• M8: 5,531,082 km (0.116 R)
• M9: 8,357,734 km (0.087 R)
• M10: 9,709,949 km (0.078 R)
• M11: 10,270,642 km (0.116 R)
• M12: 10,705,224 km (0.099 R)
• M13: 12,622,470 km (0.119 R)
• M14: 16,659,069 km (0.115 R)
• M15: 20,030,856 km (0.082 R)
• M16: 21,094,197 km (0.117 R)
• M17: 21,797,307 km (0.11 R)
• M18: 24,085,108 km (0.08 R)
• M19: 25,026,228 km (0.116 R)
• M20: 32,106,994 km (0.09 R)
• M21: 38,075,201 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 328.6

Radius: 11.6

Gravity: 2.44 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.78 AU - 7.1 AU

Year: 9347 Days

Day: 6.4 Hours

Environment

Temp: -220 °C

Axial Tilt: 2.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 87,068,204 km

• M1: 144,212 km (0.115 R)
• M2: 1,033,721 km (0.105 R)
• M3: 1,924,726 km (0.038 R)
• M4: 3,378,369 km (0.089 R)
• M5: 4,503,943 km (0.107 R)
• M6: 5,927,816 km (0.061 R)
• M7: 7,784,475 km (0.113 R)
• M8: 14,858,061 km (0.042 R)
• M9: 22,553,525 km (0.097 R)
• M10: 32,954,167 km (0.104 R)
• M11: 33,977,267 km (0.057 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.9

Radius: 5.6

Gravity: 23.66 G

Time & Orbit

Eccentricity (e): 0.027

Orbit Range: 10.69 AU - 11.29 AU

Year: 23524 Days

Day: 22.6 Hours

Environment

Temp: -223 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 87,068,204 km

• M1: 69,713 km (0.056 R)
• M2: 318,793 km (0.039 R)
• M3: 535,860 km (0.074 R)
• M4: 744,997 km (0.053 R)
• M5: 1,021,454 km (0.036 R)
• M6: 1,428,959 km (0.092 R)
• M7: 1,801,158 km (0.102 R)
• M8: 2,395,212 km (0.116 R)
• M9: 2,814,834 km (0.05 R)
• M10: 3,611,143 km (0.115 R)
• M11: 4,196,669 km (0.106 R)
• M12: 6,795,334 km (0.093 R)
• M13: 7,430,077 km (0.084 R)
• M14: 7,892,185 km (0.101 R)
• M15: 8,930,245 km (0.061 R)
• M16: 10,494,141 km (0.074 R)
• M17: 10,944,431 km (0.096 R)
• M18: 11,407,586 km (0.118 R)
• M19: 13,021,747 km (0.1 R)
• M20: 15,103,700 km (0.104 R)
• M21: 17,308,922 km (0.114 R)
• M22: 20,803,828 km (0.109 R)
• M23: 23,197,992 km (0.065 R)
• M24: 23,414,460 km (0.117 R)
• M25: 28,773,954 km (0.063 R)
• M26: 33,360,325 km (0.115 R)
• M27: 36,479,291 km (0.109 R)
• M28: 37,362,517 km (0.048 R)
• M29: 41,993,469 km (0.081 R)
• M30: 43,289,884 km (0.067 R)
• M31: 50,355,690 km (0.086 R)
• M32: 51,634,004 km (0.082 R)
• M33: 52,746,863 km (0.049 R)
• M34: 56,376,406 km (0.087 R)
• M35: 59,965,110 km (0.1 R)
• M36: 60,988,359 km (0.083 R)
• M37: 68,257,170 km (0.11 R)
• M38: 68,701,925 km (0.083 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 476 - 20,346 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit