🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 730.7

Radius: 8.2

Gravity: 10.87 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.49 AU - 0.53 AU

Year: 243 Days

Day: 14.3 Hours

Environment

Temp: -146 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,128,395 km

• M1: 102,175 km (0.082 R)
• M2: 392,395 km (0.045 R)
• M3: 668,403 km (0.092 R)
• M4: 933,042 km (0.075 R)
• M5: 1,253,481 km (0.053 R)
• M6: 1,846,487 km (0.12 R)
• M7: 2,278,376 km (0.102 R)
• M8: 2,579,217 km (0.072 R)
• M9: 2,906,687 km (0.102 R)
• M10: 3,220,992 km (0.072 R)
• M11: 3,503,732 km (0.074 R)
• M12: 3,803,077 km (0.101 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 106.1

Radius: 10.4

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 0.65 AU - 0.75 AU

Year: 391 Days

Day: 8.4 Hours

Environment

Temp: -156 °C

Axial Tilt: 9.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 69,128,395 km

• M1: 131,497 km (0.071 R)
• M2: 477,217 km (0.074 R)
• M3: 1,358,648 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 618.1

Radius: 12.6

Gravity: 3.89 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.36 AU - 2.08 AU

Year: 1504 Days

Day: 5.1 Hours

Environment

Temp: -189 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 69,128,395 km

• M1: 156,928 km (0.101 R)
• M2: 605,123 km (0.04 R)
• M3: 1,122,582 km (0.052 R)
• M4: 1,698,235 km (0.117 R)
• M5: 2,206,269 km (0.116 R)
• M6: 2,994,800 km (0.09 R)
• M7: 4,317,245 km (0.081 R)
• M8: 5,171,598 km (0.108 R)
• M9: 5,617,550 km (0.103 R)
• M10: 6,514,538 km (0.118 R)
• M11: 7,692,622 km (0.066 R)
• M12: 9,783,102 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.42 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 193.1

Radius: 8.1

Gravity: 2.94 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 4.15 AU - 4.69 AU

Year: 6197 Days

Day: 8.2 Hours

Environment

Temp: -211 °C

Axial Tilt: 38.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 69,128,395 km

• M1: 100,679 km (0.03 R)
• M2: 377,435 km (0.073 R)
• M3: 714,779 km (0.089 R)
• M4: 994,676 km (0.078 R)
• M5: 1,408,763 km (0.115 R)
• M6: 2,011,792 km (0.088 R)
• M7: 2,402,243 km (0.079 R)
• M8: 2,960,691 km (0.074 R)
• M9: 3,701,949 km (0.032 R)
• M10: 3,988,728 km (0.1 R)
• M11: 4,424,507 km (0.106 R)
• M12: 4,724,450 km (0.12 R)
• M13: 5,547,388 km (0.113 R)
• M14: 6,203,525 km (0.115 R)
• M15: 8,911,994 km (0.098 R)
• M16: 9,242,306 km (0.111 R)
• M17: 10,084,542 km (0.029 R)
• M18: 10,605,591 km (0.1 R)
• M19: 12,232,319 km (0.064 R)
• M20: 12,686,647 km (0.114 R)
• M21: 12,964,600 km (0.09 R)
• M22: 15,546,809 km (0.051 R)
• M23: 16,405,800 km (0.104 R)
• M24: 16,680,611 km (0.038 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 366.2

Radius: 14.6

Gravity: 1.72 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 4.37 AU - 5.01 AU

Year: 6773 Days

Day: 13.2 Hours

Environment

Temp: -220 °C

Axial Tilt: 43.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 69,128,395 km

• M1: 235,766 km (0.071 R)
• M2: 955,033 km (0.063 R)
• M3: 1,870,123 km (0.112 R)
• M4: 2,359,607 km (0.073 R)
• M5: 2,863,004 km (0.082 R)
• M6: 3,357,425 km (0.057 R)
• M7: 5,224,855 km (0.056 R)
• M8: 6,400,246 km (0.077 R)
• M9: 7,781,333 km (0.08 R)
• M10: 10,410,366 km (0.039 R)
• M11: 13,324,383 km (0.082 R)
• M12: 13,955,985 km (0.068 R)
• M13: 15,680,400 km (0.067 R)
• M14: 18,238,524 km (0.044 R)
• M15: 18,755,534 km (0.071 R)
• M16: 19,482,579 km (0.114 R)
• M17: 23,026,852 km (0.083 R)
• M18: 24,793,304 km (0.097 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 917.8

Radius: 10.6

Gravity: 8.17 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 4.29 AU - 5.59 AU

Year: 7322 Days

Day: 5.5 Hours

Environment

Temp: -214 °C

Axial Tilt: 7.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 69,128,395 km

• M1: 135,984 km (0.106 R)
• M2: 694,284 km (0.113 R)
• M3: 1,051,224 km (0.08 R)
• M4: 2,299,469 km (0.114 R)
• M5: 2,749,310 km (0.106 R)
• M6: 3,727,829 km (0.096 R)
• M7: 5,259,712 km (0.025 R)
• M8: 5,643,280 km (0.081 R)
• M9: 7,447,880 km (0.111 R)
• M10: 8,225,190 km (0.063 R)
• M11: 8,568,368 km (0.095 R)
• M12: 9,515,023 km (0.079 R)
• M13: 10,934,856 km (0.062 R)
• M14: 11,884,504 km (0.102 R)
• M15: 12,379,523 km (0.113 R)
• M16: 15,513,598 km (0.079 R)
• M17: 18,258,420 km (0.1 R)
• M18: 22,875,010 km (0.09 R)
• M19: 25,315,999 km (0.102 R)
• M20: 26,599,549 km (0.098 R)
• M21: 27,829,692 km (0.099 R)
• M22: 30,301,198 km (0.11 R)
• M23: 31,329,684 km (0.112 R)
• M24: 32,487,571 km (0.039 R)
• M25: 33,131,141 km (0.089 R)
• M26: 35,450,656 km (0.071 R)
• M27: 37,758,353 km (0.081 R)
• M28: 42,798,904 km (0.093 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 572.6

Radius: 5.8

Gravity: 17.02 G

Time & Orbit

Eccentricity (e): 0.213

Orbit Range: 7.33 AU - 11.29 AU

Year: 18943 Days

Day: 20.7 Hours

Environment

Temp: -239 °C

Axial Tilt: 8.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 69,128,395 km

• M1: 72,405 km (0.071 R)
• M2: 858,692 km (0.099 R)
• M3: 1,164,171 km (0.029 R)
• M4: 3,801,880 km (0.1 R)
• M5: 5,756,376 km (0.071 R)
• M6: 6,449,164 km (0.084 R)
• M7: 10,121,942 km (0.04 R)
• M8: 10,706,121 km (0.086 R)
• M9: 14,111,118 km (0.086 R)
• M10: 15,288,603 km (0.041 R)
• M11: 16,292,405 km (0.099 R)
• M12: 20,656,324 km (0.115 R)
• M13: 26,606,280 km (0.055 R)
• M14: 29,556,201 km (0.114 R)
• M15: 34,639,387 km (0.112 R)
• M16: 39,700,433 km (0.079 R)
• M17: 45,233,011 km (0.085 R)
• M18: 48,590,735 km (0.103 R)
• M19: 50,079,234 km (0.118 R)
• M20: 63,097,988 km (0.084 R)
• M21: 63,293,064 km (0.085 R)
• M22: 65,067,295 km (0.052 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 186 - 10,935 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit