🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 281

Radius: 10.8

Gravity: 2.41 G

Time & Orbit

Eccentricity (e): 0.055

Orbit Range: 0.59 AU - 0.65 AU

Year: 343 Days

Day: 12.4 Hours

Environment

Temp: -150 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 54,897,729 km

• M1: 134,339 km (0.025 R)
• M2: 525,388 km (0.09 R)
• M3: 894,446 km (0.11 R)
• M4: 1,421,329 km (0.103 R)
• M5: 1,881,941 km (0.047 R)
• M6: 2,449,067 km (0.096 R)
• M7: 2,831,439 km (0.073 R)
• M8: 3,589,751 km (0.107 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977.2

Radius: 9.5

Gravity: 10.83 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.66 AU - 0.98 AU

Year: 522 Days

Day: 14.4 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 54,897,729 km

• M1: 118,182 km (0.111 R)
• M2: 428,149 km (0.043 R)
• M3: 803,191 km (0.027 R)
• M4: 1,241,363 km (0.118 R)
• M5: 1,558,062 km (0.088 R)
• M6: 2,118,007 km (0.11 R)
• M7: 2,492,001 km (0.108 R)
• M8: 3,075,583 km (0.084 R)
• M9: 3,584,515 km (0.119 R)
• M10: 4,208,188 km (0.086 R)
• M11: 5,436,237 km (0.037 R)
• M12: 5,970,152 km (0.097 R)
• M13: 6,279,371 km (0.085 R)
• M14: 6,804,908 km (0.068 R)
• M15: 7,207,326 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 860.1

Radius: 14.2

Gravity: 4.27 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.16 AU - 1.28 AU

Year: 947 Days

Day: 14.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,897,729 km

• M1: 176,525 km (0.115 R)
• M2: 673,789 km (0.061 R)
• M3: 1,435,242 km (0.041 R)
• M4: 2,002,966 km (0.094 R)
• M5: 2,470,908 km (0.078 R)
• M6: 3,079,023 km (0.075 R)
• M7: 3,558,784 km (0.109 R)
• M8: 4,187,394 km (0.113 R)
• M9: 4,852,656 km (0.11 R)
• M10: 5,814,121 km (0.117 R)
• M11: 6,782,319 km (0.097 R)
• M12: 8,650,198 km (0.12 R)
• M13: 9,468,797 km (0.104 R)
• M14: 9,912,205 km (0.041 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 509.2

Radius: 13.2

Gravity: 2.92 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.1 AU - 1.48 AU

Year: 1030 Days

Day: 6.1 Hours

Environment

Temp: -180 °C

Axial Tilt: 3.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 54,897,729 km

• M1: 164,109 km (0.09 R)
• M2: 699,220 km (0.097 R)
• M3: 1,156,392 km (0.103 R)
• M4: 1,698,684 km (0.111 R)
• M5: 2,230,205 km (0.111 R)
• M6: 2,762,923 km (0.097 R)
• M7: 3,244,329 km (0.049 R)
• M8: 3,811,604 km (0.113 R)
• M9: 4,596,544 km (0.102 R)
• M10: 5,371,760 km (0.065 R)
• M11: 5,881,739 km (0.119 R)
• M12: 6,931,169 km (0.094 R)
• M13: 7,370,388 km (0.101 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.2

Radius: 12.3

Gravity: 3.87 G

Time & Orbit

Eccentricity (e): 0.204

Orbit Range: 1.36 AU - 2.06 AU

Year: 1572 Days

Day: 10.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 19.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 54,897,729 km

• M1: 153,039 km (0.091 R)
• M2: 667,655 km (0.099 R)
• M3: 1,130,062 km (0.111 R)
• M4: 1,656,048 km (0.097 R)
• M5: 2,272,541 km (0.094 R)
• M6: 2,842,060 km (0.081 R)
• M7: 4,288,223 km (0.094 R)
• M8: 5,810,531 km (0.108 R)
• M9: 6,535,333 km (0.053 R)
• M10: 7,085,703 km (0.105 R)
• M11: 9,508,590 km (0.098 R)
• M12: 10,150,664 km (0.094 R)
• M13: 10,617,110 km (0.035 R)
• M14: 12,973,576 km (0.05 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.7

Radius: 8.9

Gravity: 4.07 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 1.65 AU - 2.33 AU

Year: 1973 Days

Day: 5.1 Hours

Environment

Temp: -206 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 54,897,729 km

• M1: 110,702 km (0.116 R)
• M2: 416,331 km (0.102 R)
• M3: 798,254 km (0.059 R)
• M4: 1,113,906 km (0.102 R)
• M5: 1,445,115 km (0.06 R)
• M6: 2,323,105 km (0.08 R)
• M7: 3,410,981 km (0.092 R)
• M8: 4,016,104 km (0.107 R)
• M9: 5,086,178 km (0.103 R)
• M10: 5,764,754 km (0.053 R)
• M11: 6,080,106 km (0.073 R)
• M12: 6,359,405 km (0.112 R)
• M13: 7,458,351 km (0.089 R)
• M14: 7,887,847 km (0.115 R)
• M15: 8,192,578 km (0.103 R)
• M16: 11,231,808 km (0.093 R)
• M17: 11,868,347 km (0.118 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.12 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.3

Radius: 10.1

Gravity: 3.37 G

Time & Orbit

Eccentricity (e): 0.009

Orbit Range: 3.09 AU - 3.15 AU

Year: 3874 Days

Day: 6 Hours

Environment

Temp: -217 °C

Axial Tilt: 8.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 54,897,729 km

• M1: 125,812 km (0.115 R)
• M2: 491,429 km (0.096 R)
• M3: 936,931 km (0.091 R)
• M4: 1,300,155 km (0.111 R)
• M5: 2,069,986 km (0.092 R)
• M6: 2,462,381 km (0.061 R)
• M7: 3,600,222 km (0.083 R)
• M8: 4,028,521 km (0.083 R)
• M9: 4,556,153 km (0.096 R)
• M10: 5,201,368 km (0.099 R)
• M11: 5,750,093 km (0.032 R)
• M12: 6,616,714 km (0.034 R)
• M13: 8,710,486 km (0.115 R)
• M14: 9,630,812 km (0.072 R)
• M15: 11,050,645 km (0.05 R)
• M16: 12,214,217 km (0.068 R)
• M17: 12,737,212 km (0.082 R)
• M18: 13,411,898 km (0.103 R)
• M19: 14,062,948 km (0.08 R)
• M20: 14,979,983 km (0.113 R)
• M21: 15,377,913 km (0.06 R)
• M22: 17,040,394 km (0.05 R)
• M23: 17,748,890 km (0.086 R)
• M24: 18,647,674 km (0.105 R)
• M25: 19,400,001 km (0.092 R)
• M26: 19,753,950 km (0.076 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.56 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 538

Radius: 6.1

Gravity: 14.46 G

Time & Orbit

Eccentricity (e): 0.17

Orbit Range: 5.44 AU - 7.68 AU

Year: 11810 Days

Day: 17.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 54,897,729 km

• M1: 75,846 km (0.119 R)
• M2: 318,195 km (0.088 R)
• M3: 615,595 km (0.115 R)
• M4: 1,047,035 km (0.109 R)
• M5: 1,448,257 km (0.077 R)
• M6: 1,662,481 km (0.092 R)
• M7: 2,137,305 km (0.119 R)
• M8: 2,677,652 km (0.115 R)
• M9: 2,891,428 km (0.09 R)
• M10: 3,329,151 km (0.086 R)
• M11: 3,943,998 km (0.078 R)
• M12: 4,278,649 km (0.076 R)
• M13: 6,582,007 km (0.067 R)
• M14: 7,174,415 km (0.042 R)
• M15: 12,828,167 km (0.066 R)
• M16: 13,376,443 km (0.109 R)
• M17: 14,389,370 km (0.089 R)
• M18: 14,650,419 km (0.067 R)
• M19: 15,657,512 km (0.057 R)
• M20: 16,142,957 km (0.111 R)
• M21: 17,071,062 km (0.111 R)
• M22: 18,490,746 km (0.047 R)
• M23: 19,586,101 km (0.077 R)
• M24: 20,889,847 km (0.071 R)
• M25: 21,819,298 km (0.094 R)
• M26: 22,775,827 km (0.093 R)
• M27: 25,241,798 km (0.085 R)
• M28: 27,578,367 km (0.074 R)
• M29: 28,593,090 km (0.037 R)
• M30: 29,213,771 km (0.105 R)
• M31: 31,676,452 km (0.103 R)
• M32: 44,273,939 km (0.073 R)
• M33: 45,945,246 km (0.08 R)
• M34: 46,511,474 km (0.081 R)
• M35: 49,264,972 km (0.1 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 689.8

Radius: 6.1

Gravity: 18.54 G

Time & Orbit

Eccentricity (e): 0.139

Orbit Range: 6 AU - 7.94 AU

Year: 12935 Days

Day: 19.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 54,897,729 km

• M1: 75,846 km (0.063 R)
• M2: 300,542 km (0.042 R)
• M3: 588,368 km (0.08 R)
• M4: 1,042,697 km (0.09 R)
• M5: 1,707,959 km (0.081 R)
• M6: 1,924,876 km (0.036 R)
• M7: 2,435,304 km (0.062 R)
• M8: 4,700,066 km (0.051 R)
• M9: 6,574,078 km (0.096 R)
• M10: 7,110,836 km (0.094 R)
• M11: 7,992,865 km (0.111 R)
• M12: 9,552,572 km (0.115 R)
• M13: 12,134,781 km (0.106 R)
• M14: 13,004,692 km (0.101 R)
• M15: 13,390,057 km (0.075 R)
• M16: 15,007,658 km (0.043 R)
• M17: 15,289,351 km (0.116 R)
• M18: 15,863,358 km (0.034 R)
• M19: 17,284,239 km (0.117 R)
• M20: 17,828,326 km (0.062 R)
• M21: 19,446,227 km (0.104 R)
• M22: 19,781,177 km (0.061 R)
• M23: 20,119,866 km (0.106 R)
• M24: 24,010,009 km (0.105 R)
• M25: 24,202,243 km (0.107 R)
• M26: 26,692,748 km (0.08 R)
• M27: 31,138,498 km (0.081 R)
• M28: 34,442,815 km (0.118 R)
• M29: 34,810,228 km (0.059 R)
• M30: 36,432,317 km (0.098 R)
• M31: 36,941,249 km (0.08 R)
• M32: 50,944,508 km (0.077 R)
• M33: 54,180,160 km (0.118 R)
• M34: 55,344,331 km (0.073 R)

Planet 10 - Ice Giant

Semi-Major Axis: 7.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.4

Radius: 4.5

Gravity: 25.8 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 6.52 AU - 8.2 AU

Year: 14035 Days

Day: 19.8 Hours

Environment

Temp: -240 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 54,897,729 km

• M1: 55,950 km (0.073 R)
• M2: 233,821 km (0.112 R)
• M3: 456,423 km (0.04 R)
• M4: 680,670 km (0.058 R)
• M5: 882,328 km (0.108 R)
• M6: 1,053,618 km (0.099 R)
• M7: 1,272,779 km (0.087 R)
• M8: 1,521,859 km (0.108 R)
• M9: 1,753,885 km (0.093 R)
• M10: 2,614,672 km (0.035 R)
• M11: 4,632,747 km (0.119 R)
• M12: 4,888,709 km (0.041 R)
• M13: 6,008,000 km (0.074 R)
• M14: 7,590,596 km (0.075 R)
• M15: 8,266,928 km (0.096 R)
• M16: 8,596,043 km (0.106 R)
• M17: 10,000,019 km (0.118 R)
• M18: 11,434,214 km (0.093 R)
• M19: 12,937,523 km (0.048 R)
• M20: 14,432,455 km (0.115 R)
• M21: 15,537,833 km (0.096 R)
• M22: 15,966,581 km (0.098 R)
• M23: 22,369,370 km (0.12 R)
• M24: 23,471,008 km (0.065 R)
• M25: 27,715,848 km (0.1 R)
• M26: 30,515,722 km (0.11 R)
• M27: 33,616,886 km (0.065 R)
• M28: 34,333,459 km (0.091 R)
• M29: 36,045,009 km (0.075 R)
• M30: 41,246,975 km (0.107 R)
• M31: 45,027,613 km (0.1 R)
• M32: 50,418,821 km (0.086 R)
• M33: 51,989,299 km (0.115 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 505 - 11,287 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit