🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 105.2

Radius: 15

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.206

Orbit Range: 0.71 AU - 1.09 AU

Year: 543 Days

Day: 12.8 Hours

Environment

Temp: -144 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 70,817,272 km

• M1: 186,698 km (0.12 R)
• M2: 695,032 km (0.069 R)
• M3: 1,468,901 km (0.094 R)
• M4: 2,316,972 km (0.118 R)
• M5: 3,355,480 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 689

Radius: 13.1

Gravity: 4.01 G

Time & Orbit

Eccentricity (e): 0.137

Orbit Range: 0.81 AU - 1.07 AU

Year: 579 Days

Day: 5 Hours

Environment

Temp: -164 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,817,272 km

• M1: 162,912 km (0.115 R)
• M2: 609,312 km (0.093 R)
• M3: 1,162,675 km (0.12 R)
• M4: 1,750,445 km (0.118 R)
• M5: 2,183,680 km (0.071 R)
• M6: 2,594,476 km (0.107 R)
• M7: 3,485,630 km (0.093 R)
• M8: 4,571,412 km (0.095 R)
• M9: 5,018,410 km (0.086 R)
• M10: 5,459,574 km (0.111 R)
• M11: 6,094,468 km (0.109 R)
• M12: 6,818,821 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 861.8

Radius: 12.6

Gravity: 5.43 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.96 AU - 1.1 AU

Year: 665 Days

Day: 9.9 Hours

Environment

Temp: -163 °C

Axial Tilt: 13.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 70,817,272 km

• M1: 156,629 km (0.086 R)
• M2: 592,707 km (0.048 R)
• M3: 1,032,973 km (0.119 R)
• M4: 1,993,092 km (0.086 R)
• M5: 2,477,191 km (0.038 R)
• M6: 3,358,921 km (0.089 R)
• M7: 3,800,534 km (0.03 R)
• M8: 4,487,936 km (0.042 R)
• M9: 4,973,680 km (0.094 R)
• M10: 5,816,515 km (0.084 R)
• M11: 6,231,948 km (0.12 R)
• M12: 7,324,461 km (0.118 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 472.2

Radius: 13.8

Gravity: 2.48 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 1.19 AU - 1.27 AU

Year: 867 Days

Day: 14 Hours

Environment

Temp: -159 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,817,272 km

• M1: 171,738 km (0.08 R)
• M2: 683,812 km (0.102 R)
• M3: 1,676,394 km (0.064 R)
• M4: 2,164,831 km (0.105 R)
• M5: 2,771,749 km (0.057 R)
• M6: 4,027,324 km (0.077 R)
• M7: 5,375,799 km (0.099 R)
• M8: 5,977,183 km (0.113 R)
• M9: 8,175,374 km (0.062 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 504.8

Radius: 14.8

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 1.39 AU - 1.61 AU

Year: 1168 Days

Day: 5.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 70,817,272 km

• M1: 184,454 km (0.117 R)
• M2: 834,457 km (0.112 R)
• M3: 1,532,032 km (0.109 R)
• M4: 2,046,200 km (0.101 R)
• M5: 2,835,328 km (0.058 R)
• M6: 4,574,703 km (0.092 R)
• M7: 5,232,186 km (0.081 R)
• M8: 8,436,871 km (0.106 R)
• M9: 10,315,222 km (0.105 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 308.5

Radius: 12.7

Gravity: 1.91 G

Time & Orbit

Eccentricity (e): 0.152

Orbit Range: 3.36 AU - 4.56 AU

Year: 5010 Days

Day: 11.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 21.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 70,817,272 km

• M1: 159,172 km (0.082 R)
• M2: 591,211 km (0.104 R)
• M3: 1,128,118 km (0.085 R)
• M4: 2,800,472 km (0.118 R)
• M5: 3,265,722 km (0.119 R)
• M6: 3,843,468 km (0.102 R)
• M7: 4,603,126 km (0.099 R)
• M8: 5,031,425 km (0.113 R)
• M9: 5,670,806 km (0.078 R)
• M10: 6,656,507 km (0.074 R)
• M11: 7,174,863 km (0.111 R)
• M12: 7,952,623 km (0.106 R)
• M13: 9,223,906 km (0.112 R)
• M14: 10,423,531 km (0.098 R)
• M15: 11,507,667 km (0.077 R)
• M16: 12,665,554 km (0.066 R)
• M17: 15,056,726 km (0.101 R)
• M18: 15,685,486 km (0.104 R)
• M19: 16,222,692 km (0.094 R)
• M20: 16,827,816 km (0.091 R)
• M21: 17,562,341 km (0.078 R)
• M22: 18,974,396 km (0.072 R)
• M23: 20,144,999 km (0.115 R)
• M24: 21,037,799 km (0.078 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 254.5

Radius: 7.7

Gravity: 4.29 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 8.54 AU - 9.52 AU

Year: 17253 Days

Day: 23.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 70,817,272 km

• M1: 96,491 km (0.082 R)
• M2: 689,945 km (0.11 R)
• M3: 995,723 km (0.087 R)
• M4: 2,006,107 km (0.101 R)
• M5: 2,683,935 km (0.105 R)
• M6: 3,098,770 km (0.111 R)
• M7: 4,310,064 km (0.096 R)
• M8: 4,848,766 km (0.101 R)
• M9: 5,774,777 km (0.076 R)
• M10: 6,543,261 km (0.048 R)
• M11: 7,886,052 km (0.083 R)
• M12: 10,728,561 km (0.054 R)
• M13: 11,215,053 km (0.06 R)
• M14: 12,525,381 km (0.099 R)
• M15: 15,997,398 km (0.081 R)
• M16: 16,703,949 km (0.092 R)
• M17: 17,137,932 km (0.119 R)
• M18: 17,505,195 km (0.106 R)
• M19: 18,715,741 km (0.119 R)
• M20: 21,218,663 km (0.081 R)
• M21: 24,766,825 km (0.104 R)
• M22: 26,096,750 km (0.075 R)
• M23: 31,344,344 km (0.105 R)
• M24: 33,925,356 km (0.064 R)
• M25: 35,090,425 km (0.099 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 665.8

Radius: 7.8

Gravity: 10.94 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 8.43 AU - 11.49 AU

Year: 19986 Days

Day: 17 Hours

Environment

Temp: -238 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 70,817,272 km

• M1: 96,939 km (0.115 R)
• M2: 382,671 km (0.069 R)
• M3: 745,147 km (0.086 R)
• M4: 1,012,478 km (0.093 R)
• M5: 1,389,166 km (0.071 R)
• M6: 1,661,733 km (0.086 R)
• M7: 2,727,768 km (0.119 R)
• M8: 3,908,095 km (0.084 R)
• M9: 4,525,784 km (0.084 R)
• M10: 6,332,927 km (0.108 R)
• M11: 8,314,201 km (0.096 R)
• M12: 9,558,406 km (0.118 R)
• M13: 9,844,437 km (0.058 R)
• M14: 12,010,315 km (0.109 R)
• M15: 12,478,706 km (0.092 R)
• M16: 15,237,291 km (0.088 R)
• M17: 15,945,637 km (0.091 R)
• M18: 16,511,566 km (0.078 R)
• M19: 27,829,991 km (0.117 R)
• M20: 33,386,355 km (0.044 R)
• M21: 34,445,807 km (0.097 R)
• M22: 39,639,097 km (0.1 R)
• M23: 41,733,019 km (0.103 R)
• M24: 47,288,186 km (0.087 R)
• M25: 49,130,933 km (0.082 R)
• M26: 49,471,118 km (0.081 R)
• M27: 52,425,826 km (0.108 R)
• M28: 58,303,077 km (0.061 R)
• M29: 61,596,923 km (0.088 R)
• M30: 63,793,170 km (0.108 R)
• M31: 65,217,641 km (0.102 R)
• M32: 74,884,954 km (0.05 R)

Asteroid Belt

Center: 10.56 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 11.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 394.2

Radius: 4.3

Gravity: 21.32 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 10.16 AU - 12.14 AU

Year: 23673 Days

Day: 23.9 Hours

Environment

Temp: -241 °C

Axial Tilt: 32.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 70,817,272 km

• M1: 55,202 km (0.079 R)
• M2: 395,088 km (0.115 R)
• M3: 995,424 km (0.089 R)
• M4: 2,482,726 km (0.061 R)
• M5: 3,246,124 km (0.051 R)
• M6: 7,077,026 km (0.075 R)
• M7: 11,635,124 km (0.095 R)
• M8: 15,568,950 km (0.099 R)
• M9: 20,121,662 km (0.051 R)
• M10: 20,769,869 km (0.093 R)
• M11: 23,401,296 km (0.059 R)
• M12: 24,743,937 km (0.091 R)
• M13: 25,273,812 km (0.082 R)
• M14: 26,028,085 km (0.043 R)
• M15: 33,505,585 km (0.114 R)
• M16: 61,687,580 km (0.085 R)
• M17: 66,045,964 km (0.119 R)
• M18: 66,452,122 km (0.038 R)
• M19: 68,093,211 km (0.089 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 325 - 20,320 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit