🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 552.8

Radius: 8.2

Gravity: 8.22 G

Time & Orbit

Eccentricity (e): 0.226

Orbit Range: 0.39 AU - 0.63 AU

Year: 247 Days

Day: 11 Hours

Environment

Temp: -149 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 75,847,996 km

• M1: 102,475 km (0.103 R)
• M2: 359,633 km (0.066 R)
• M3: 704,756 km (0.094 R)
• M4: 1,136,944 km (0.087 R)
• M5: 1,398,142 km (0.119 R)
• M6: 1,757,476 km (0.043 R)
• M7: 2,395,959 km (0.101 R)
• M8: 2,795,984 km (0.117 R)
• M9: 3,719,302 km (0.087 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 653.9

Radius: 13.6

Gravity: 3.54 G

Time & Orbit

Eccentricity (e): 0.177

Orbit Range: 0.48 AU - 0.68 AU

Year: 300 Days

Day: 12.6 Hours

Environment

Temp: -147 °C

Axial Tilt: 34.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 75,847,996 km

• M1: 169,644 km (0.117 R)
• M2: 993,779 km (0.114 R)
• M3: 1,511,238 km (0.111 R)
• M4: 1,974,393 km (0.045 R)
• M5: 2,657,457 km (0.105 R)
• M6: 3,301,176 km (0.062 R)
• M7: 4,083,872 km (0.045 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.6

Radius: 10.5

Gravity: 8.74 G

Time & Orbit

Eccentricity (e): 0.038

Orbit Range: 1.48 AU - 1.6 AU

Year: 1296 Days

Day: 9.3 Hours

Environment

Temp: -202 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 75,847,996 km

• M1: 130,749 km (0.071 R)
• M2: 498,460 km (0.069 R)
• M3: 872,305 km (0.093 R)
• M4: 1,675,347 km (0.1 R)
• M5: 2,182,035 km (0.11 R)
• M6: 2,802,716 km (0.081 R)
• M7: 3,192,867 km (0.077 R)
• M8: 3,685,643 km (0.095 R)
• M9: 4,047,819 km (0.088 R)
• M10: 4,471,780 km (0.097 R)
• M11: 4,804,036 km (0.116 R)
• M12: 5,152,899 km (0.032 R)
• M13: 5,924,824 km (0.1 R)
• M14: 6,423,882 km (0.114 R)
• M15: 6,771,996 km (0.114 R)
• M16: 7,949,481 km (0.068 R)
• M17: 8,616,837 km (0.05 R)
• M18: 9,227,047 km (0.095 R)
• M19: 11,997,899 km (0.077 R)
• M20: 12,642,965 km (0.108 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 484.7

Radius: 14.5

Gravity: 2.31 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.83 AU - 2.47 AU

Year: 2138 Days

Day: 5.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 47.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 75,847,996 km

• M1: 183,108 km (0.067 R)
• M2: 647,609 km (0.111 R)
• M3: 1,338,901 km (0.109 R)
• M4: 1,818,362 km (0.102 R)
• M5: 2,401,943 km (0.108 R)
• M6: 3,064,662 km (0.089 R)
• M7: 4,211,479 km (0.081 R)
• M8: 4,821,988 km (0.099 R)
• M9: 6,027,597 km (0.063 R)
• M10: 7,370,238 km (0.084 R)
• M11: 7,878,871 km (0.088 R)
• M12: 8,935,481 km (0.105 R)
• M13: 10,016,475 km (0.111 R)
• M14: 11,219,691 km (0.111 R)
• M15: 11,818,232 km (0.11 R)
• M16: 14,212,247 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74

Radius: 13.6

Gravity: 0.4 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.24 AU - 2.42 AU

Year: 2412 Days

Day: 5.8 Hours

Environment

Temp: -196 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 75,847,996 km

• M1: 169,195 km (0.047 R)
• M2: 839,992 km (0.118 R)
• M3: 1,375,253 km (0.066 R)
• M4: 1,987,707 km (0.047 R)
• M5: 2,663,740 km (0.066 R)
• M6: 3,771,512 km (0.075 R)
• M7: 4,545,531 km (0.074 R)
• M8: 5,112,806 km (0.065 R)
• M9: 5,592,567 km (0.113 R)
• M10: 6,410,867 km (0.063 R)
• M11: 7,284,668 km (0.094 R)
• M12: 7,918,365 km (0.117 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 908.6

Radius: 11.3

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.036

Orbit Range: 2.72 AU - 2.92 AU

Year: 3212 Days

Day: 14.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 36.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 75,847,996 km

• M1: 140,472 km (0.119 R)
• M2: 497,263 km (0.052 R)
• M3: 1,047,484 km (0.104 R)
• M4: 1,415,046 km (0.088 R)
• M5: 2,093,173 km (0.117 R)
• M6: 2,531,046 km (0.027 R)
• M7: 3,065,560 km (0.063 R)
• M8: 4,430,640 km (0.101 R)
• M9: 4,858,490 km (0.074 R)
• M10: 5,881,291 km (0.049 R)
• M11: 6,730,857 km (0.111 R)
• M12: 7,137,464 km (0.114 R)
• M13: 7,828,905 km (0.084 R)
• M14: 9,538,510 km (0.074 R)
• M15: 10,964,327 km (0.08 R)
• M16: 14,958,740 km (0.115 R)
• M17: 16,934,479 km (0.081 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 926.6

Radius: 12.4

Gravity: 6.03 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.19 AU - 3.55 AU

Year: 4196 Days

Day: 13.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,847,996 km

• M1: 154,535 km (0.118 R)
• M2: 867,668 km (0.119 R)
• M3: 1,315,863 km (0.03 R)
• M4: 1,725,462 km (0.072 R)
• M5: 2,344,049 km (0.045 R)
• M6: 3,443,444 km (0.044 R)
• M7: 4,334,299 km (0.103 R)
• M8: 4,886,465 km (0.113 R)
• M9: 6,011,142 km (0.03 R)
• M10: 6,570,488 km (0.108 R)
• M11: 6,962,584 km (0.105 R)
• M12: 8,346,514 km (0.08 R)
• M13: 11,699,750 km (0.075 R)
• M14: 12,474,667 km (0.114 R)
• M15: 13,648,113 km (0.114 R)
• M16: 15,688,329 km (0.118 R)
• M17: 16,332,198 km (0.099 R)
• M18: 16,811,510 km (0.105 R)
• M19: 17,548,129 km (0.038 R)
• M20: 20,641,963 km (0.12 R)
• M21: 21,486,742 km (0.098 R)
• M22: 27,381,497 km (0.116 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 407.3

Radius: 10.1

Gravity: 3.99 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 3.93 AU - 5.01 AU

Year: 6410 Days

Day: 5.9 Hours

Environment

Temp: -213 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 75,847,996 km

• M1: 132,993 km (0.1 R)
• M2: 668,403 km (0.083 R)
• M3: 1,427,014 km (0.11 R)
• M4: 1,909,318 km (0.04 R)
• M5: 2,547,951 km (0.103 R)
• M6: 2,881,105 km (0.083 R)
• M7: 3,466,931 km (0.026 R)
• M8: 4,225,093 km (0.115 R)
• M9: 4,902,921 km (0.119 R)
• M10: 6,411,017 km (0.115 R)
• M11: 6,998,936 km (0.118 R)
• M12: 11,309,449 km (0.111 R)
• M13: 12,463,896 km (0.074 R)
• M14: 13,121,080 km (0.117 R)
• M15: 13,748,194 km (0.105 R)
• M16: 17,435,033 km (0.077 R)
• M17: 18,972,900 km (0.074 R)
• M18: 20,878,926 km (0.074 R)
• M19: 22,169,656 km (0.076 R)
• M20: 27,023,359 km (0.113 R)
• M21: 28,124,100 km (0.099 R)
• M22: 28,990,721 km (0.075 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 659

Radius: 5.5

Gravity: 21.79 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 6.58 AU - 8.5 AU

Year: 14043 Days

Day: 16.3 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 75,847,996 km

• M1: 68,516 km (0.107 R)
• M2: 289,173 km (0.058 R)
• M3: 609,462 km (0.051 R)
• M4: 1,074,412 km (0.069 R)
• M5: 1,274,275 km (0.117 R)
• M6: 2,103,047 km (0.032 R)
• M7: 2,880,058 km (0.115 R)
• M8: 3,398,265 km (0.077 R)
• M9: 3,665,896 km (0.112 R)
• M10: 3,890,143 km (0.086 R)
• M11: 4,880,032 km (0.097 R)
• M12: 5,799,909 km (0.064 R)
• M13: 8,354,143 km (0.102 R)
• M14: 9,401,179 km (0.09 R)
• M15: 9,822,147 km (0.053 R)
• M16: 10,645,235 km (0.083 R)
• M17: 13,258,410 km (0.116 R)
• M18: 13,720,818 km (0.044 R)
• M19: 14,331,027 km (0.048 R)
• M20: 18,952,255 km (0.037 R)
• M21: 21,823,936 km (0.063 R)
• M22: 25,677,577 km (0.12 R)
• M23: 26,603,139 km (0.052 R)
• M24: 31,449,960 km (0.089 R)
• M25: 34,326,578 km (0.043 R)
• M26: 34,574,013 km (0.111 R)
• M27: 36,083,156 km (0.065 R)
• M28: 40,596,673 km (0.092 R)
• M29: 48,670,770 km (0.076 R)
• M30: 50,404,459 km (0.087 R)
• M31: 55,341,488 km (0.104 R)
• M32: 56,194,346 km (0.039 R)
• M33: 58,629,350 km (0.118 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 750.3

Radius: 6.5

Gravity: 17.76 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 8.85 AU - 9.61 AU

Year: 19019 Days

Day: 17.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 13 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 75,847,996 km

• M1: 80,932 km (0.077 R)
• M2: 486,941 km (0.104 R)
• M3: 724,054 km (0.042 R)
• M4: 955,482 km (0.115 R)
• M5: 1,293,274 km (0.038 R)
• M6: 1,605,484 km (0.106 R)
• M7: 2,045,751 km (0.119 R)
• M8: 3,032,648 km (0.075 R)
• M9: 3,528,116 km (0.115 R)
• M10: 6,757,485 km (0.116 R)
• M11: 8,940,268 km (0.083 R)
• M12: 10,795,880 km (0.111 R)
• M13: 11,044,512 km (0.119 R)
• M14: 12,278,544 km (0.082 R)
• M15: 12,893,990 km (0.095 R)
• M16: 13,386,765 km (0.116 R)
• M17: 14,038,713 km (0.11 R)
• M18: 18,846,340 km (0.116 R)
• M19: 27,198,688 km (0.068 R)
• M20: 28,360,764 km (0.094 R)
• M21: 30,411,602 km (0.11 R)
• M22: 31,284,056 km (0.068 R)
• M23: 39,458,383 km (0.116 R)
• M24: 41,096,929 km (0.089 R)
• M25: 51,538,262 km (0.118 R)
• M26: 53,135,069 km (0.088 R)
• M27: 54,036,247 km (0.097 R)
• M28: 54,764,639 km (0.079 R)
• M29: 55,684,217 km (0.089 R)
• M30: 65,041,713 km (0.104 R)
• M31: 66,905,553 km (0.108 R)
• M32: 67,956,179 km (0.095 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 217 - 18,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit