🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 181.5

Radius: 11.7

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.67 AU - 0.75 AU

Year: 386 Days

Day: 6.1 Hours

Environment

Temp: -144 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,082,200 km

• M1: 154,385 km (0.102 R)
• M2: 532,568 km (0.093 R)
• M3: 992,881 km (0.096 R)
• M4: 1,745,957 km (0.087 R)
• M5: 2,670,172 km (0.093 R)
• M6: 3,319,726 km (0.097 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 404.5

Radius: 9.3

Gravity: 4.68 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 0.61 AU - 0.99 AU

Year: 462 Days

Day: 10 Hours

Environment

Temp: -156 °C

Axial Tilt: 28.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 64,082,200 km

• M1: 115,639 km (0.085 R)
• M2: 459,415 km (0.092 R)
• M3: 795,113 km (0.042 R)
• M4: 1,231,041 km (0.106 R)
• M5: 1,778,569 km (0.059 R)
• M6: 2,076,867 km (0.084 R)
• M7: 2,620,955 km (0.066 R)
• M8: 2,978,793 km (0.105 R)
• M9: 3,301,924 km (0.117 R)
• M10: 3,917,819 km (0.046 R)
• M11: 4,982,955 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495.7

Radius: 8.8

Gravity: 6.4 G

Time & Orbit

Eccentricity (e): 0.05

Orbit Range: 1.26 AU - 1.4 AU

Year: 990 Days

Day: 13.6 Hours

Environment

Temp: -178 °C

Axial Tilt: 57.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,082,200 km

• M1: 109,506 km (0.097 R)
• M2: 464,053 km (0.054 R)
• M3: 788,680 km (0.118 R)
• M4: 1,167,312 km (0.051 R)
• M5: 1,519,017 km (0.115 R)
• M6: 2,115,164 km (0.109 R)
• M7: 2,506,662 km (0.113 R)
• M8: 3,873,089 km (0.043 R)
• M9: 4,495,715 km (0.056 R)
• M10: 5,276,466 km (0.116 R)
• M11: 5,878,748 km (0.075 R)
• M12: 7,815,292 km (0.111 R)
• M13: 8,263,637 km (0.099 R)
• M14: 8,571,958 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 706.3

Radius: 13.1

Gravity: 4.12 G

Time & Orbit

Eccentricity (e): 0.085

Orbit Range: 1.67 AU - 1.97 AU

Year: 1585 Days

Day: 6.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 41.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 64,082,200 km

• M1: 163,062 km (0.069 R)
• M2: 605,423 km (0.1 R)
• M3: 1,046,886 km (0.068 R)
• M4: 1,694,345 km (0.059 R)
• M5: 2,111,873 km (0.087 R)
• M6: 2,638,607 km (0.117 R)
• M7: 3,176,412 km (0.053 R)
• M8: 3,702,398 km (0.114 R)
• M9: 4,121,272 km (0.081 R)
• M10: 4,972,334 km (0.114 R)
• M11: 5,937,390 km (0.115 R)
• M12: 6,589,188 km (0.119 R)
• M13: 7,128,787 km (0.089 R)
• M14: 9,428,107 km (0.062 R)
• M15: 10,215,291 km (0.117 R)
• M16: 10,799,021 km (0.095 R)
• M17: 13,933,695 km (0.109 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 39.4

Radius: 12.2

Gravity: 0.26 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 1.74 AU - 2.8 AU

Year: 2208 Days

Day: 6.7 Hours

Environment

Temp: -189 °C

Axial Tilt: 16.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 64,082,200 km

• M1: 159,322 km (0.111 R)
• M2: 807,529 km (0.025 R)
• M3: 1,924,876 km (0.097 R)
• M4: 4,026,576 km (0.056 R)
• M5: 4,985,199 km (0.106 R)
• M6: 6,034,778 km (0.055 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892.2

Radius: 8.1

Gravity: 13.6 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 2.29 AU - 2.75 AU

Year: 2583 Days

Day: 14.9 Hours

Environment

Temp: -191 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 64,082,200 km

• M1: 100,679 km (0.119 R)
• M2: 472,131 km (0.11 R)
• M3: 826,079 km (0.082 R)
• M4: 1,111,363 km (0.114 R)
• M5: 1,578,407 km (0.103 R)
• M6: 2,026,154 km (0.107 R)
• M7: 2,365,292 km (0.054 R)
• M8: 2,694,706 km (0.08 R)
• M9: 3,521,235 km (0.113 R)
• M10: 4,352,700 km (0.081 R)
• M11: 5,259,412 km (0.083 R)
• M12: 5,665,870 km (0.085 R)
• M13: 5,930,359 km (0.12 R)
• M14: 6,513,042 km (0.056 R)
• M15: 7,727,478 km (0.073 R)
• M16: 9,860,594 km (0.03 R)
• M17: 10,479,181 km (0.066 R)
• M18: 11,164,639 km (0.09 R)
• M19: 12,402,411 km (0.114 R)
• M20: 12,985,843 km (0.047 R)
• M21: 13,540,702 km (0.047 R)
• M22: 14,946,622 km (0.083 R)
• M23: 15,762,828 km (0.09 R)
• M24: 17,372,502 km (0.114 R)
• M25: 17,707,152 km (0.11 R)
• M26: 20,603,367 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 631.6

Radius: 14.9

Gravity: 2.84 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 4.1 AU - 4.36 AU

Year: 5617 Days

Day: 12.6 Hours

Environment

Temp: -220 °C

Axial Tilt: 161.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 64,082,200 km

• M1: 185,352 km (0.042 R)
• M2: 740,210 km (0.086 R)
• M3: 1,372,411 km (0.081 R)
• M4: 1,945,520 km (0.119 R)
• M5: 2,474,947 km (0.051 R)
• M6: 3,258,840 km (0.118 R)
• M7: 3,809,959 km (0.097 R)
• M8: 4,373,943 km (0.062 R)
• M9: 4,993,577 km (0.11 R)
• M10: 5,467,503 km (0.12 R)
• M11: 6,346,241 km (0.112 R)
• M12: 7,894,280 km (0.091 R)
• M13: 9,639,788 km (0.115 R)
• M14: 12,118,924 km (0.056 R)
• M15: 13,400,229 km (0.103 R)
• M16: 15,753,553 km (0.033 R)
• M17: 16,473,867 km (0.053 R)
• M18: 21,484,349 km (0.09 R)
• M19: 22,671,408 km (0.108 R)
• M20: 23,512,597 km (0.104 R)
• M21: 24,374,579 km (0.11 R)
• M22: 28,472,514 km (0.115 R)
• M23: 29,362,023 km (0.03 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.23 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.4

Radius: 10

Gravity: 8.76 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 3.44 AU - 5.02 AU

Year: 5617 Days

Day: 13.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 64,082,200 km

• M1: 124,316 km (0.064 R)
• M2: 606,320 km (0.05 R)
• M3: 933,042 km (0.078 R)
• M4: 1,475,484 km (0.107 R)
• M5: 1,812,977 km (0.088 R)
• M6: 2,283,462 km (0.114 R)
• M7: 2,970,415 km (0.115 R)
• M8: 3,515,849 km (0.11 R)
• M9: 3,836,437 km (0.108 R)
• M10: 4,697,822 km (0.119 R)
• M11: 5,203,463 km (0.106 R)
• M12: 6,976,497 km (0.074 R)
• M13: 7,980,598 km (0.103 R)
• M14: 8,660,370 km (0.078 R)
• M15: 9,335,206 km (0.109 R)
• M16: 11,126,641 km (0.036 R)
• M17: 11,771,707 km (0.114 R)
• M18: 12,389,097 km (0.059 R)
• M19: 13,521,404 km (0.11 R)
• M20: 16,748,230 km (0.083 R)
• M21: 18,131,112 km (0.108 R)
• M22: 22,656,598 km (0.026 R)
• M23: 23,290,444 km (0.101 R)
• M24: 23,854,876 km (0.107 R)
• M25: 27,613,224 km (0.087 R)
• M26: 31,259,373 km (0.101 R)
• M27: 31,946,176 km (0.027 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 660.8

Radius: 6.8

Gravity: 14.29 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 8.83 AU - 10.39 AU

Year: 19235 Days

Day: 15.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,082,200 km

• M1: 252,820 km (0.105 R)
• M2: 476,768 km (0.081 R)
• M3: 801,695 km (0.104 R)
• M4: 1,034,170 km (0.115 R)
• M5: 2,371,575 km (0.066 R)
• M6: 2,786,410 km (0.081 R)
• M7: 3,194,812 km (0.115 R)
• M8: 3,790,810 km (0.074 R)
• M9: 4,662,816 km (0.091 R)
• M10: 5,901,935 km (0.107 R)
• M11: 7,876,777 km (0.106 R)
• M12: 8,587,815 km (0.067 R)
• M13: 9,230,637 km (0.045 R)
• M14: 13,003,047 km (0.047 R)
• M15: 13,634,948 km (0.116 R)
• M16: 14,360,648 km (0.11 R)
• M17: 16,367,952 km (0.086 R)
• M18: 23,808,950 km (0.106 R)
• M19: 26,051,721 km (0.045 R)
• M20: 33,749,429 km (0.086 R)
• M21: 38,111,703 km (0.073 R)
• M22: 41,619,773 km (0.065 R)
• M23: 45,656,672 km (0.039 R)
• M24: 53,602,563 km (0.081 R)
• M25: 71,727,392 km (0.034 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 407.1

Radius: 5.8

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.065

Orbit Range: 9.24 AU - 10.52 AU

Year: 20052 Days

Day: 15.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 29.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 64,082,200 km

• M1: 72,705 km (0.067 R)
• M2: 259,253 km (0.112 R)
• M3: 673,490 km (0.037 R)
• M4: 1,133,503 km (0.1 R)
• M5: 1,346,082 km (0.107 R)
• M6: 1,682,228 km (0.11 R)
• M7: 2,478,687 km (0.119 R)
• M8: 2,723,579 km (0.059 R)
• M9: 3,393,927 km (0.072 R)
• M10: 3,640,315 km (0.094 R)
• M11: 3,927,842 km (0.055 R)
• M12: 4,230,478 km (0.107 R)
• M13: 8,613,247 km (0.069 R)
• M14: 8,917,529 km (0.062 R)
• M15: 9,601,790 km (0.045 R)
• M16: 15,401,400 km (0.115 R)
• M17: 19,410,324 km (0.047 R)
• M18: 21,008,777 km (0.102 R)
• M19: 21,653,394 km (0.077 R)
• M20: 22,311,026 km (0.038 R)
• M21: 25,281,442 km (0.053 R)
• M22: 27,949,819 km (0.106 R)
• M23: 30,800,107 km (0.119 R)
• M24: 31,273,435 km (0.049 R)
• M25: 44,140,797 km (0.109 R)
• M26: 45,197,257 km (0.079 R)
• M27: 47,675,046 km (0.08 R)
• M28: 49,429,979 km (0.095 R)
• M29: 52,562,109 km (0.072 R)
• M30: 60,317,861 km (0.115 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 187 - 16,809 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit