🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.8

Radius: 9.6

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.167

Orbit Range: 0.44 AU - 0.62 AU

Year: 262 Days

Day: 14.4 Hours

Environment

Temp: -136 °C

Axial Tilt: 22.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 62,422,214 km

• M1: 119,529 km (0.108 R)
• M2: 483,052 km (0.089 R)
• M3: 875,148 km (0.059 R)
• M4: 1,223,262 km (0.119 R)
• M5: 1,753,287 km (0.044 R)
• M6: 2,271,494 km (0.106 R)
• M7: 2,571,587 km (0.106 R)
• M8: 3,115,525 km (0.075 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.2

Radius: 14.1

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.71 AU - 1.11 AU

Year: 589 Days

Day: 11 Hours

Environment

Temp: -179 °C

Axial Tilt: 4.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 62,422,214 km

• M1: 177,423 km (0.086 R)
• M2: 743,202 km (0.11 R)
• M3: 1,275,322 km (0.119 R)
• M4: 1,799,064 km (0.101 R)
• M5: 2,609,585 km (0.102 R)
• M6: 3,346,804 km (0.06 R)
• M7: 4,248,729 km (0.102 R)
• M8: 4,765,590 km (0.089 R)
• M9: 5,324,338 km (0.104 R)
• M10: 6,075,020 km (0.1 R)
• M11: 6,895,415 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 938.8

Radius: 8.3

Gravity: 13.63 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 0.86 AU - 1.12 AU

Year: 668 Days

Day: 6.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 25 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,422,214 km

• M1: 103,372 km (0.069 R)
• M2: 411,693 km (0.089 R)
• M3: 691,591 km (0.039 R)
• M4: 996,920 km (0.045 R)
• M5: 1,378,395 km (0.057 R)
• M6: 1,716,037 km (0.071 R)
• M7: 2,188,018 km (0.069 R)
• M8: 2,627,986 km (0.103 R)
• M9: 3,049,253 km (0.098 R)
• M10: 4,104,666 km (0.104 R)
• M11: 4,472,528 km (0.055 R)
• M12: 4,862,380 km (0.089 R)
• M13: 5,867,228 km (0.087 R)
• M14: 6,545,804 km (0.1 R)
• M15: 7,484,082 km (0.078 R)
• M16: 7,767,869 km (0.092 R)
• M17: 8,483,695 km (0.035 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 511.7

Radius: 14.5

Gravity: 2.43 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 1.08 AU - 1.32 AU

Year: 892 Days

Day: 14.6 Hours

Environment

Temp: -183 °C

Axial Tilt: 1.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,422,214 km

• M1: 180,265 km (0.112 R)
• M2: 661,671 km (0.109 R)
• M3: 1,382,284 km (0.106 R)
• M4: 1,979,778 km (0.082 R)
• M5: 2,612,876 km (0.078 R)
• M6: 3,133,327 km (0.052 R)
• M7: 3,680,706 km (0.054 R)
• M8: 4,450,985 km (0.062 R)
• M9: 5,200,172 km (0.088 R)
• M10: 5,738,874 km (0.085 R)
• M11: 6,212,800 km (0.088 R)
• M12: 6,755,840 km (0.098 R)
• M13: 7,583,415 km (0.117 R)
• M14: 8,082,474 km (0.051 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 889

Radius: 11.3

Gravity: 6.96 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 1.09 AU - 1.41 AU

Year: 948 Days

Day: 13.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,422,214 km

• M1: 140,472 km (0.117 R)
• M2: 649,554 km (0.076 R)
• M3: 1,054,515 km (0.079 R)
• M4: 1,572,124 km (0.116 R)
• M5: 2,310,539 km (0.095 R)
• M6: 2,836,076 km (0.113 R)
• M7: 3,440,153 km (0.119 R)
• M8: 4,062,181 km (0.071 R)
• M9: 4,594,749 km (0.055 R)
• M10: 5,096,051 km (0.108 R)
• M11: 5,970,002 km (0.099 R)
• M12: 6,613,871 km (0.066 R)
• M13: 8,522,291 km (0.099 R)
• M14: 9,281,201 km (0.068 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 284.1

Radius: 9

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 1.24 AU - 1.64 AU

Year: 1172 Days

Day: 12.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 13.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 62,422,214 km

• M1: 111,899 km (0.115 R)
• M2: 410,048 km (0.108 R)
• M3: 746,942 km (0.117 R)
• M4: 1,226,104 km (0.103 R)
• M5: 1,891,665 km (0.116 R)
• M6: 2,389,676 km (0.106 R)
• M7: 2,997,493 km (0.059 R)
• M8: 3,619,520 km (0.099 R)
• M9: 4,014,459 km (0.058 R)
• M10: 4,685,705 km (0.099 R)
• M11: 5,752,637 km (0.056 R)
• M12: 6,189,462 km (0.099 R)
• M13: 6,973,804 km (0.119 R)
• M14: 8,137,227 km (0.076 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 618.2

Radius: 3.3

Gravity: 56.77 G

Time & Orbit

Eccentricity (e): 0.157

Orbit Range: 6.03 AU - 8.27 AU

Year: 12967 Days

Day: 15.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 137.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 62,422,214 km

• M1: 41,139 km (0.1 R)
• M2: 182,509 km (0.068 R)
• M3: 442,959 km (0.091 R)
• M4: 580,440 km (0.103 R)
• M5: 746,344 km (0.093 R)
• M6: 921,822 km (0.114 R)
• M7: 1,355,806 km (0.051 R)
• M8: 1,542,055 km (0.09 R)
• M9: 1,665,024 km (0.049 R)
• M10: 2,037,074 km (0.088 R)
• M11: 2,321,011 km (0.106 R)
• M12: 3,013,799 km (0.1 R)
• M13: 3,946,691 km (0.052 R)
• M14: 4,060,984 km (0.055 R)
• M15: 5,056,707 km (0.116 R)
• M16: 5,225,753 km (0.092 R)
• M17: 5,977,333 km (0.089 R)
• M18: 8,281,888 km (0.07 R)
• M19: 8,708,092 km (0.114 R)
• M20: 9,248,589 km (0.093 R)
• M21: 9,759,017 km (0.104 R)
• M22: 10,127,327 km (0.083 R)
• M23: 12,969,387 km (0.113 R)
• M24: 13,608,320 km (0.057 R)
• M25: 14,067,735 km (0.101 R)
• M26: 15,017,681 km (0.026 R)
• M27: 19,164,086 km (0.09 R)
• M28: 24,586,410 km (0.082 R)
• M29: 25,071,406 km (0.111 R)
• M30: 29,184,151 km (0.062 R)
• M31: 34,322,838 km (0.11 R)
• M32: 35,541,163 km (0.095 R)
• M33: 37,167,890 km (0.1 R)
• M34: 41,109,794 km (0.068 R)
• M35: 42,344,425 km (0.069 R)
• M36: 52,963,630 km (0.06 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.68 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 59.7

Radius: 6.5

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 7.65 AU - 7.71 AU

Year: 14436 Days

Day: 19.2 Hours

Environment

Temp: -225 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 62,422,214 km

• M1: 80,932 km (0.108 R)
• M2: 297,401 km (0.099 R)
• M3: 655,987 km (0.073 R)
• M4: 2,085,993 km (0.064 R)
• M5: 2,999,737 km (0.046 R)
• M6: 3,423,398 km (0.109 R)
• M7: 4,732,529 km (0.06 R)
• M8: 5,443,717 km (0.114 R)
• M9: 5,955,940 km (0.043 R)
• M10: 6,688,222 km (0.046 R)
• M11: 8,553,109 km (0.08 R)
• M12: 10,783,164 km (0.104 R)
• M13: 12,055,195 km (0.078 R)
• M14: 13,525,891 km (0.062 R)
• M15: 13,833,764 km (0.104 R)
• M16: 16,642,763 km (0.11 R)
• M17: 24,401,208 km (0.046 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.8

Radius: 7.6

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 7.12 AU - 8.58 AU

Year: 14917 Days

Day: 19.1 Hours

Environment

Temp: -233 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 62,422,214 km

• M1: 94,695 km (0.086 R)
• M2: 332,855 km (0.098 R)
• M3: 2,378,457 km (0.105 R)
• M4: 2,825,455 km (0.094 R)
• M5: 3,252,258 km (0.099 R)
• M6: 3,640,015 km (0.084 R)
• M7: 4,477,464 km (0.063 R)
• M8: 4,826,626 km (0.077 R)
• M9: 5,193,888 km (0.099 R)
• M10: 5,437,284 km (0.114 R)
• M11: 6,688,970 km (0.036 R)
• M12: 9,387,865 km (0.026 R)
• M13: 11,234,351 km (0.053 R)
• M14: 16,286,122 km (0.031 R)
• M15: 16,733,868 km (0.071 R)
• M16: 17,731,836 km (0.068 R)
• M17: 19,677,954 km (0.048 R)
• M18: 19,930,775 km (0.026 R)
• M19: 20,876,532 km (0.081 R)
• M20: 21,139,675 km (0.081 R)
• M21: 24,374,430 km (0.075 R)
• M22: 26,980,874 km (0.062 R)
• M23: 29,108,155 km (0.094 R)
• M24: 34,420,376 km (0.082 R)
• M25: 35,157,594 km (0.092 R)
• M26: 36,791,203 km (0.065 R)
• M27: 41,163,948 km (0.049 R)
• M28: 43,261,311 km (0.096 R)
• M29: 43,975,940 km (0.066 R)
• M30: 48,430,067 km (0.089 R)
• M31: 50,608,062 km (0.088 R)
• M32: 54,161,011 km (0.114 R)
• M33: 55,325,481 km (0.086 R)
• M34: 57,189,022 km (0.078 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 341

Radius: 4.9

Gravity: 14.2 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 9.67 AU - 10.09 AU

Year: 21063 Days

Day: 20.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,422,214 km

• M1: 63,429 km (0.111 R)
• M2: 574,905 km (0.098 R)
• M3: 819,647 km (0.119 R)
• M4: 1,661,883 km (0.107 R)
• M5: 1,900,791 km (0.105 R)
• M6: 2,490,356 km (0.069 R)
• M7: 3,068,552 km (0.066 R)
• M8: 7,175,312 km (0.099 R)
• M9: 8,044,625 km (0.047 R)
• M10: 20,815,497 km (0.036 R)
• M11: 21,542,692 km (0.099 R)
• M12: 23,531,595 km (0.091 R)
• M13: 29,427,547 km (0.041 R)
• M14: 37,686,696 km (0.041 R)
• M15: 41,838,186 km (0.088 R)
• M16: 47,676,991 km (0.089 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 506 - 19,404 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit