🌌 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: 694.4

Radius: 11.2

Gravity: 5.54 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.84 AU - 0.96 AU

Year: 543 Days

Day: 10.7 Hours

Environment

Temp: -161 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,167,957 km

• M1: 141,819 km (0.05 R)
• M2: 504,594 km (0.102 R)
• M3: 855,101 km (0.102 R)
• M4: 1,252,433 km (0.096 R)
• M5: 1,705,117 km (0.069 R)
• M6: 2,110,676 km (0.083 R)
• M7: 2,539,873 km (0.12 R)
• M8: 2,993,005 km (0.118 R)
• M9: 3,537,990 km (0.065 R)
• M10: 3,965,241 km (0.12 R)
• M11: 4,382,021 km (0.088 R)
• M12: 5,510,288 km (0.026 R)
• M13: 5,920,485 km (0.07 R)
• M14: 6,351,028 km (0.083 R)
• M15: 6,782,468 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.5

Radius: 10.6

Gravity: 8.19 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 0.75 AU - 1.17 AU

Year: 598 Days

Day: 13.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 58,167,957 km

• M1: 131,796 km (0.089 R)
• M2: 593,006 km (0.094 R)
• M3: 1,050,925 km (0.115 R)
• M4: 1,391,859 km (0.118 R)
• M5: 1,733,091 km (0.041 R)
• M6: 2,461,334 km (0.094 R)
• M7: 2,837,872 km (0.089 R)
• M8: 3,435,366 km (0.069 R)
• M9: 4,298,396 km (0.03 R)
• M10: 4,848,168 km (0.114 R)
• M11: 5,210,793 km (0.113 R)
• M12: 5,591,669 km (0.119 R)
• M13: 6,511,696 km (0.095 R)
• M14: 7,946,788 km (0.038 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 94

Radius: 14.3

Gravity: 0.46 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 1.3 AU - 1.7 AU

Year: 1168 Days

Day: 13.3 Hours

Environment

Temp: -185 °C

Axial Tilt: 22.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 58,167,957 km

• M1: 181,313 km (0.12 R)
• M2: 669,301 km (0.105 R)
• M3: 1,354,609 km (0.057 R)
• M4: 2,537,629 km (0.072 R)
• M5: 3,133,627 km (0.062 R)
• M6: 3,771,811 km (0.098 R)
• M7: 4,510,077 km (0.035 R)
• M8: 4,967,547 km (0.078 R)
• M9: 5,570,875 km (0.096 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 216.3

Radius: 8.9

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.68 AU - 1.82 AU

Year: 1472 Days

Day: 12.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 58,167,957 km

• M1: 110,702 km (0.117 R)
• M2: 479,760 km (0.114 R)
• M3: 1,073,963 km (0.077 R)
• M4: 1,502,561 km (0.105 R)
• M5: 1,919,490 km (0.079 R)
• M6: 2,337,018 km (0.116 R)
• M7: 2,683,187 km (0.03 R)
• M8: 3,115,226 km (0.05 R)
• M9: 4,799,698 km (0.077 R)
• M10: 5,231,737 km (0.101 R)
• M11: 5,553,372 km (0.119 R)
• M12: 6,533,388 km (0.116 R)
• M13: 6,862,054 km (0.109 R)
• M14: 7,744,682 km (0.109 R)
• M15: 8,727,241 km (0.057 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 907.8

Radius: 9.5

Gravity: 10.06 G

Time & Orbit

Eccentricity (e): 0.104

Orbit Range: 2.25 AU - 2.77 AU

Year: 2528 Days

Day: 6.6 Hours

Environment

Temp: -193 °C

Axial Tilt: 34.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 58,167,957 km

• M1: 118,182 km (0.073 R)
• M2: 490,382 km (0.071 R)
• M3: 797,656 km (0.097 R)
• M4: 1,428,061 km (0.035 R)
• M5: 2,333,428 km (0.114 R)
• M6: 2,895,018 km (0.095 R)
• M7: 4,483,448 km (0.076 R)
• M8: 5,059,101 km (0.116 R)
• M9: 5,503,556 km (0.027 R)
• M10: 6,470,856 km (0.096 R)
• M11: 7,547,512 km (0.086 R)
• M12: 9,563,941 km (0.112 R)
• M13: 10,128,973 km (0.103 R)
• M14: 16,313,049 km (0.092 R)
• M15: 17,010,923 km (0.079 R)
• M16: 17,672,595 km (0.059 R)
• M17: 19,047,250 km (0.058 R)
• M18: 20,063,318 km (0.113 R)
• M19: 20,801,883 km (0.071 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 525.6

Radius: 9

Gravity: 6.49 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 2.34 AU - 2.7 AU

Year: 2544 Days

Day: 12.3 Hours

Environment

Temp: -200 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,167,957 km

• M1: 114,143 km (0.118 R)
• M2: 448,794 km (0.059 R)
• M3: 956,080 km (0.118 R)
• M4: 1,327,232 km (0.054 R)
• M5: 1,675,347 km (0.094 R)
• M6: 2,247,858 km (0.068 R)
• M7: 2,807,354 km (0.096 R)
• M8: 5,213,187 km (0.077 R)
• M9: 6,193,352 km (0.033 R)
• M10: 7,205,082 km (0.119 R)
• M11: 8,774,962 km (0.114 R)
• M12: 10,975,996 km (0.057 R)
• M13: 11,638,565 km (0.105 R)
• M14: 12,286,174 km (0.031 R)
• M15: 12,745,290 km (0.096 R)
• M16: 15,939,803 km (0.106 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 660.5

Radius: 11.1

Gravity: 5.36 G

Time & Orbit

Eccentricity (e): 0.007

Orbit Range: 3.7 AU - 3.76 AU

Year: 4580 Days

Day: 10.1 Hours

Environment

Temp: -208 °C

Axial Tilt: 145.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,167,957 km

• M1: 138,677 km (0.105 R)
• M2: 746,194 km (0.111 R)
• M3: 1,287,888 km (0.117 R)
• M4: 2,810,495 km (0.055 R)
• M5: 3,493,110 km (0.107 R)
• M6: 4,796,557 km (0.098 R)
• M7: 6,095,814 km (0.047 R)
• M8: 7,375,325 km (0.097 R)
• M9: 8,409,495 km (0.064 R)
• M10: 9,137,737 km (0.076 R)
• M11: 9,741,963 km (0.1 R)
• M12: 10,201,976 km (0.107 R)
• M13: 11,255,893 km (0.087 R)
• M14: 12,380,869 km (0.069 R)
• M15: 15,184,333 km (0.102 R)
• M16: 15,689,525 km (0.093 R)
• M17: 18,009,788 km (0.115 R)
• M18: 19,943,640 km (0.087 R)
• M19: 23,993,105 km (0.112 R)
• M20: 25,143,513 km (0.117 R)
• M21: 27,306,249 km (0.109 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 632

Radius: 7.5

Gravity: 11.24 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 7.61 AU - 7.65 AU

Year: 13400 Days

Day: 24.9 Hours

Environment

Temp: -224 °C

Axial Tilt: 63.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 58,167,957 km

• M1: 93,349 km (0.118 R)
• M2: 386,411 km (0.12 R)
• M3: 648,208 km (0.113 R)
• M4: 1,099,993 km (0.099 R)
• M5: 1,349,672 km (0.051 R)
• M6: 1,637,498 km (0.088 R)
• M7: 1,948,811 km (0.074 R)
• M8: 3,910,937 km (0.107 R)
• M9: 4,440,065 km (0.065 R)
• M10: 7,002,826 km (0.073 R)
• M11: 8,861,879 km (0.114 R)
• M12: 11,141,451 km (0.094 R)
• M13: 11,663,847 km (0.056 R)
• M14: 12,141,662 km (0.057 R)
• M15: 12,446,992 km (0.088 R)
• M16: 19,682,592 km (0.036 R)
• M17: 21,582,634 km (0.095 R)
• M18: 22,394,053 km (0.069 R)
• M19: 24,852,245 km (0.086 R)
• M20: 27,068,239 km (0.05 R)
• M21: 28,545,069 km (0.072 R)
• M22: 29,963,706 km (0.067 R)
• M23: 37,252,563 km (0.085 R)
• M24: 37,768,077 km (0.059 R)
• M25: 39,476,335 km (0.103 R)
• M26: 51,136,591 km (0.113 R)
• M27: 51,773,280 km (0.111 R)
• M28: 52,738,186 km (0.053 R)
• M29: 54,373,141 km (0.036 R)
• M30: 55,873,010 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 8.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 502.1

Radius: 3.6

Gravity: 38.74 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 7.07 AU - 10.43 AU

Year: 16457 Days

Day: 18.2 Hours

Environment

Temp: -223 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 58,167,957 km

• M1: 50,265 km (0.071 R)
• M2: 243,845 km (0.11 R)
• M3: 2,035,877 km (0.087 R)
• M4: 2,737,940 km (0.086 R)
• M5: 2,900,404 km (0.093 R)
• M6: 3,426,689 km (0.115 R)
• M7: 4,193,528 km (0.032 R)
• M8: 5,278,112 km (0.09 R)
• M9: 7,524,324 km (0.109 R)
• M10: 9,682,423 km (0.107 R)
• M11: 13,978,874 km (0.092 R)
• M12: 14,460,878 km (0.085 R)
• M13: 22,140,784 km (0.098 R)
• M14: 23,462,332 km (0.065 R)
• M15: 23,946,879 km (0.065 R)
• M16: 28,942,251 km (0.103 R)
• M17: 31,213,596 km (0.115 R)
• M18: 36,235,895 km (0.118 R)
• M19: 38,735,526 km (0.088 R)
• M20: 48,934,660 km (0.095 R)
• M21: 57,223,579 km (0.11 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 269.2

Radius: 7.5

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 10.38 AU - 10.42 AU

Year: 21325 Days

Day: 23.4 Hours

Environment

Temp: -229 °C

Axial Tilt: 6.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 58,167,957 km

• M1: 99,333 km (0.059 R)
• M2: 670,498 km (0.075 R)
• M3: 1,274,873 km (0.041 R)
• M4: 1,554,023 km (0.102 R)
• M5: 4,973,082 km (0.112 R)
• M6: 6,396,207 km (0.113 R)
• M7: 6,637,059 km (0.068 R)
• M8: 15,245,968 km (0.12 R)
• M9: 19,927,633 km (0.11 R)
• M10: 20,616,531 km (0.104 R)
• M11: 26,297,660 km (0.111 R)
• M12: 29,163,507 km (0.114 R)
• M13: 29,939,171 km (0.07 R)
• M14: 31,071,029 km (0.118 R)
• M15: 42,571,066 km (0.119 R)
• M16: 45,462,943 km (0.099 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 364 - 17,209 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit