🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.45 AU

Composition

Type: Main (Rocky/Icy Mix)

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: 562.7

Radius: 12.9

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.86 AU - 0.94 AU

Year: 579 Days

Day: 11.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,432,629 km

• M1: 160,519 km (0.101 R)
• M2: 619,186 km (0.056 R)
• M3: 1,210,546 km (0.119 R)
• M4: 1,784,852 km (0.038 R)
• M5: 2,213,749 km (0.1 R)
• M6: 3,480,993 km (0.08 R)
• M7: 3,910,788 km (0.089 R)
• M8: 4,479,559 km (0.115 R)
• M9: 5,678,137 km (0.102 R)
• M10: 6,543,860 km (0.063 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 529

Radius: 9

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.079

Orbit Range: 0.97 AU - 1.13 AU

Year: 730 Days

Day: 12.8 Hours

Environment

Temp: -167 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 80,432,629 km

• M1: 112,049 km (0.068 R)
• M2: 393,891 km (0.101 R)
• M3: 838,945 km (0.073 R)
• M4: 1,151,604 km (0.034 R)
• M5: 1,440,927 km (0.049 R)
• M6: 2,199,837 km (0.081 R)
• M7: 2,763,671 km (0.114 R)
• M8: 3,043,868 km (0.096 R)
• M9: 3,420,855 km (0.088 R)
• M10: 3,943,101 km (0.056 R)
• M11: 4,407,752 km (0.069 R)
• M12: 4,792,368 km (0.052 R)
• M13: 5,702,671 km (0.085 R)
• M14: 6,682,537 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 869.3

Radius: 9.8

Gravity: 9.05 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.11 AU - 1.13 AU

Year: 804 Days

Day: 5.9 Hours

Environment

Temp: -172 °C

Axial Tilt: 38 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,432,629 km

• M1: 121,922 km (0.064 R)
• M2: 496,964 km (0.062 R)
• M3: 1,044,941 km (0.037 R)
• M4: 1,410,409 km (0.102 R)
• M5: 1,753,586 km (0.098 R)
• M6: 2,102,149 km (0.091 R)
• M7: 2,554,234 km (0.103 R)
• M8: 2,928,827 km (0.054 R)
• M9: 3,312,246 km (0.106 R)
• M10: 4,197,118 km (0.101 R)
• M11: 4,651,297 km (0.07 R)
• M12: 5,481,416 km (0.039 R)
• M13: 6,045,848 km (0.102 R)
• M14: 6,472,352 km (0.065 R)
• M15: 7,196,555 km (0.108 R)
• M16: 8,409,046 km (0.079 R)
• M17: 8,914,088 km (0.116 R)
• M18: 9,383,078 km (0.029 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 289.1

Radius: 11.3

Gravity: 2.26 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.46 AU - 2.04 AU

Year: 1570 Days

Day: 8.9 Hours

Environment

Temp: -190 °C

Axial Tilt: 24.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,432,629 km

• M1: 142,417 km (0.036 R)
• M2: 905,366 km (0.112 R)
• M3: 1,438,832 km (0.1 R)
• M4: 1,886,429 km (0.034 R)
• M5: 2,648,929 km (0.119 R)
• M6: 3,273,501 km (0.063 R)
• M7: 5,134,648 km (0.107 R)
• M8: 6,638,705 km (0.095 R)
• M9: 8,205,892 km (0.072 R)
• M10: 9,303,043 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.7

Radius: 11.7

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 1.85 AU - 2.15 AU

Year: 1918 Days

Day: 5.9 Hours

Environment

Temp: -211 °C

Axial Tilt: 45.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 80,432,629 km

• M1: 145,559 km (0.054 R)
• M2: 534,214 km (0.101 R)
• M3: 1,383,481 km (0.066 R)
• M4: 1,861,596 km (0.064 R)
• M5: 2,472,254 km (0.092 R)
• M6: 3,241,038 km (0.091 R)
• M7: 3,759,245 km (0.078 R)
• M8: 4,179,465 km (0.112 R)
• M9: 4,559,594 km (0.112 R)
• M10: 5,057,904 km (0.086 R)
• M11: 6,363,145 km (0.065 R)
• M12: 6,868,188 km (0.103 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 27.1

Radius: 11.9

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.72 AU - 2.32 AU

Year: 1947 Days

Day: 14.9 Hours

Environment

Temp: -199 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 80,432,629 km

• M1: 147,952 km (0.113 R)
• M2: 772,224 km (0.032 R)
• M3: 1,463,965 km (0.027 R)
• M4: 2,400,447 km (0.118 R)
• M5: 3,145,894 km (0.089 R)
• M6: 3,712,421 km (0.044 R)
• M7: 4,305,427 km (0.083 R)
• M8: 5,111,759 km (0.067 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 496.2

Radius: 7.8

Gravity: 8.16 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 5.55 AU - 5.95 AU

Year: 9352 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 80,432,629 km

• M1: 97,089 km (0.118 R)
• M2: 482,752 km (0.092 R)
• M3: 785,987 km (0.108 R)
• M4: 1,613,563 km (0.084 R)
• M5: 2,477,490 km (0.062 R)
• M6: 4,582,482 km (0.116 R)
• M7: 7,945,592 km (0.057 R)
• M8: 8,748,184 km (0.069 R)
• M9: 9,837,855 km (0.084 R)
• M10: 10,762,669 km (0.087 R)
• M11: 11,638,116 km (0.076 R)
• M12: 13,588,872 km (0.056 R)
• M13: 15,235,496 km (0.077 R)
• M14: 22,166,814 km (0.036 R)
• M15: 27,705,226 km (0.099 R)
• M16: 29,245,785 km (0.112 R)
• M17: 30,137,089 km (0.108 R)
• M18: 32,391,679 km (0.056 R)
• M19: 40,068,144 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.71 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 420.6

Radius: 4.4

Gravity: 21.73 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 5.68 AU - 7.74 AU

Year: 11789 Days

Day: 22 Hours

Environment

Temp: -220 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 80,432,629 km

• M1: 55,351 km (0.109 R)
• M2: 220,507 km (0.107 R)
• M3: 376,089 km (0.08 R)
• M4: 666,907 km (0.114 R)
• M5: 825,481 km (0.098 R)
• M6: 1,501,215 km (0.115 R)
• M7: 1,855,313 km (0.104 R)
• M8: 2,707,123 km (0.077 R)
• M9: 2,853,280 km (0.098 R)
• M10: 5,972,695 km (0.053 R)
• M11: 7,205,232 km (0.062 R)
• M12: 9,716,980 km (0.035 R)
• M13: 10,311,332 km (0.091 R)
• M14: 12,183,400 km (0.065 R)
• M15: 14,907,577 km (0.057 R)
• M16: 15,102,503 km (0.059 R)
• M17: 20,146,495 km (0.034 R)
• M18: 21,604,176 km (0.11 R)
• M19: 21,853,855 km (0.09 R)
• M20: 22,358,748 km (0.113 R)
• M21: 22,699,682 km (0.096 R)
• M22: 23,743,426 km (0.04 R)
• M23: 25,000,946 km (0.07 R)
• M24: 28,938,212 km (0.043 R)
• M25: 32,283,819 km (0.078 R)
• M26: 42,925,463 km (0.096 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 605.1

Radius: 4.8

Gravity: 26.26 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 6.4 AU - 9.24 AU

Year: 14832 Days

Day: 16.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 80,432,629 km

• M1: 65,823 km (0.096 R)
• M2: 396,734 km (0.073 R)
• M3: 552,166 km (0.108 R)
• M4: 1,038,957 km (0.1 R)
• M5: 1,222,813 km (0.103 R)
• M6: 1,945,221 km (0.114 R)
• M7: 2,149,123 km (0.107 R)
• M8: 2,326,396 km (0.107 R)
• M9: 2,621,703 km (0.1 R)
• M10: 2,894,420 km (0.112 R)
• M11: 4,118,130 km (0.114 R)
• M12: 5,325,385 km (0.1 R)
• M13: 6,106,585 km (0.088 R)
• M14: 6,585,897 km (0.071 R)
• M15: 6,834,828 km (0.042 R)
• M16: 7,046,957 km (0.074 R)
• M17: 8,269,471 km (0.069 R)
• M18: 8,905,711 km (0.117 R)
• M19: 9,107,818 km (0.104 R)
• M20: 9,893,506 km (0.118 R)
• M21: 11,242,878 km (0.098 R)
• M22: 13,757,020 km (0.081 R)
• M23: 18,519,169 km (0.097 R)
• M24: 21,537,456 km (0.111 R)
• M25: 21,902,026 km (0.111 R)
• M26: 26,498,720 km (0.12 R)
• M27: 29,409,894 km (0.065 R)
• M28: 31,348,234 km (0.089 R)
• M29: 34,227,245 km (0.093 R)
• M30: 40,642,899 km (0.114 R)
• M31: 42,756,119 km (0.113 R)
• M32: 47,200,372 km (0.088 R)
• M33: 47,969,754 km (0.103 R)
• M34: 52,762,720 km (0.03 R)
• M35: 54,597,089 km (0.064 R)
• M36: 56,301,308 km (0.111 R)

Asteroid Belt

Center: 8.84 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 9.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 736.2

Radius: 7.8

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 8.61 AU - 11.09 AU

Year: 20967 Days

Day: 24.1 Hours

Environment

Temp: -242 °C

Axial Tilt: 28.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 80,432,629 km

• M1: 96,939 km (0.029 R)
• M2: 457,919 km (0.102 R)
• M3: 952,490 km (0.072 R)
• M4: 1,804,450 km (0.04 R)
• M5: 2,097,063 km (0.113 R)
• M6: 3,721,546 km (0.115 R)
• M7: 4,645,911 km (0.08 R)
• M8: 5,277,214 km (0.056 R)
• M9: 5,838,805 km (0.115 R)
• M10: 6,709,614 km (0.118 R)
• M11: 7,614,532 km (0.076 R)
• M12: 9,318,900 km (0.115 R)
• M13: 10,504,762 km (0.11 R)
• M14: 11,134,121 km (0.108 R)
• M15: 11,721,891 km (0.058 R)
• M16: 13,682,820 km (0.117 R)
• M17: 18,063,943 km (0.053 R)
• M18: 18,875,063 km (0.104 R)
• M19: 35,501,819 km (0.042 R)
• M20: 37,203,195 km (0.108 R)
• M21: 39,555,323 km (0.111 R)
• M22: 42,790,676 km (0.104 R)
• M23: 43,426,317 km (0.07 R)
• M24: 49,782,132 km (0.101 R)
• M25: 56,540,515 km (0.068 R)
• M26: 57,691,072 km (0.054 R)
• M27: 63,062,234 km (0.049 R)
• M28: 65,552,889 km (0.041 R)
• M29: 66,185,688 km (0.112 R)
• M30: 68,324,340 km (0.109 R)
• M31: 72,964,566 km (0.049 R)
• M32: 74,556,886 km (0.114 R)
• M33: 77,340,154 km (0.091 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: 245 - 19,311 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit