🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.4 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 666.2

Radius: 10.1

Gravity: 6.53 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 0.66 AU - 0.94 AU

Year: 455 Days

Day: 10.3 Hours

Environment

Temp: -150 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,898,125 km

• M1: 125,662 km (0.11 R)
• M2: 543,040 km (0.101 R)
• M3: 944,561 km (0.069 R)
• M4: 1,753,137 km (0.06 R)
• M5: 2,141,045 km (0.088 R)
• M6: 2,498,135 km (0.111 R)
• M7: 3,663,502 km (0.118 R)
• M8: 4,205,944 km (0.044 R)
• M9: 4,621,228 km (0.079 R)
• M10: 5,568,182 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 735.2

Radius: 9.8

Gravity: 7.66 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 0.65 AU - 0.97 AU

Year: 464 Days

Day: 7.1 Hours

Environment

Temp: -156 °C

Axial Tilt: 16.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 51,898,125 km

• M1: 121,922 km (0.097 R)
• M2: 460,013 km (0.083 R)
• M3: 879,785 km (0.107 R)
• M4: 1,236,127 km (0.081 R)
• M5: 2,325,948 km (0.102 R)
• M6: 3,195,560 km (0.107 R)
• M7: 3,558,784 km (0.071 R)
• M8: 3,895,828 km (0.116 R)
• M9: 4,710,089 km (0.114 R)
• M10: 5,737,826 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 534.6

Radius: 10.2

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.83 AU - 1.05 AU

Year: 579 Days

Day: 14.4 Hours

Environment

Temp: -160 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 51,898,125 km

• M1: 126,859 km (0.071 R)
• M2: 455,226 km (0.087 R)
• M3: 821,442 km (0.113 R)
• M4: 1,265,149 km (0.066 R)
• M5: 1,583,643 km (0.034 R)
• M6: 2,102,598 km (0.107 R)
• M7: 2,496,040 km (0.107 R)
• M8: 3,143,949 km (0.112 R)
• M9: 4,263,839 km (0.103 R)
• M10: 5,141,080 km (0.097 R)
• M11: 5,807,689 km (0.09 R)
• M12: 6,208,611 km (0.095 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611.2

Radius: 8.9

Gravity: 7.72 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 0.83 AU - 1.25 AU

Year: 674 Days

Day: 9.5 Hours

Environment

Temp: -156 °C

Axial Tilt: 23.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 51,898,125 km

• M1: 112,049 km (0.101 R)
• M2: 430,991 km (0.036 R)
• M3: 820,395 km (0.057 R)
• M4: 1,116,000 km (0.067 R)
• M5: 1,433,896 km (0.081 R)
• M6: 1,738,178 km (0.042 R)
• M7: 2,706,076 km (0.118 R)
• M8: 3,029,656 km (0.04 R)
• M9: 3,340,371 km (0.066 R)
• M10: 4,026,427 km (0.105 R)
• M11: 4,434,380 km (0.112 R)
• M12: 5,020,953 km (0.082 R)
• M13: 5,476,180 km (0.064 R)
• M14: 6,249,601 km (0.07 R)
• M15: 6,570,488 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 405.8

Radius: 14.1

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 2.31 AU - 2.39 AU

Year: 2291 Days

Day: 6.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 51,898,125 km

• M1: 176,376 km (0.086 R)
• M2: 765,941 km (0.058 R)
• M3: 1,310,777 km (0.078 R)
• M4: 1,791,883 km (0.112 R)
• M5: 2,904,891 km (0.08 R)
• M6: 4,098,383 km (0.113 R)
• M7: 4,575,600 km (0.038 R)
• M8: 5,175,787 km (0.091 R)
• M9: 5,734,984 km (0.077 R)
• M10: 6,260,372 km (0.102 R)
• M11: 7,491,413 km (0.114 R)
• M12: 8,418,171 km (0.056 R)
• M13: 9,387,566 km (0.09 R)
• M14: 9,983,863 km (0.119 R)
• M15: 10,782,566 km (0.112 R)
• M16: 11,887,944 km (0.097 R)
• M17: 12,986,591 km (0.074 R)
• M18: 14,628,129 km (0.101 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 789.7

Radius: 8.4

Gravity: 11.19 G

Time & Orbit

Eccentricity (e): 0.125

Orbit Range: 3.54 AU - 4.55 AU

Year: 5163 Days

Day: 7.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,898,125 km

• M1: 104,419 km (0.061 R)
• M2: 394,639 km (0.071 R)
• M3: 797,207 km (0.092 R)
• M4: 1,141,282 km (0.101 R)
• M5: 1,463,217 km (0.09 R)
• M6: 1,832,125 km (0.07 R)
• M7: 2,476,144 km (0.088 R)
• M8: 4,850,412 km (0.107 R)
• M9: 5,153,347 km (0.073 R)
• M10: 5,676,192 km (0.096 R)
• M11: 6,362,846 km (0.113 R)
• M12: 8,438,217 km (0.102 R)
• M13: 9,331,915 km (0.117 R)
• M14: 11,644,249 km (0.118 R)
• M15: 13,761,059 km (0.116 R)
• M16: 14,091,072 km (0.065 R)
• M17: 14,426,171 km (0.12 R)
• M18: 15,112,676 km (0.07 R)
• M19: 16,182,899 km (0.106 R)
• M20: 16,736,561 km (0.096 R)
• M21: 17,175,780 km (0.039 R)
• M22: 26,459,076 km (0.111 R)
• M23: 29,622,024 km (0.051 R)
• M24: 30,357,597 km (0.026 R)
• M25: 32,153,519 km (0.105 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 733

Radius: 14.4

Gravity: 3.53 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 3.38 AU - 5.32 AU

Year: 5769 Days

Day: 8 Hours

Environment

Temp: -210 °C

Axial Tilt: 22 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 51,898,125 km

• M1: 179,218 km (0.118 R)
• M2: 752,776 km (0.114 R)
• M3: 2,122,794 km (0.111 R)
• M4: 3,097,274 km (0.104 R)
• M5: 3,939,959 km (0.093 R)
• M6: 4,662,068 km (0.092 R)
• M7: 5,267,640 km (0.092 R)
• M8: 6,772,894 km (0.047 R)
• M9: 9,719,523 km (0.115 R)
• M10: 12,325,967 km (0.103 R)
• M11: 14,436,344 km (0.079 R)
• M12: 15,073,033 km (0.031 R)
• M13: 17,159,773 km (0.104 R)
• M14: 17,874,402 km (0.106 R)
• M15: 18,880,897 km (0.112 R)
• M16: 19,363,350 km (0.073 R)
• M17: 20,138,117 km (0.094 R)
• M18: 20,787,372 km (0.091 R)
• M19: 21,674,637 km (0.114 R)
• M20: 22,974,792 km (0.043 R)
• M21: 26,580,849 km (0.041 R)
• M22: 27,450,162 km (0.091 R)
• M23: 28,699,155 km (0.098 R)
• M24: 29,429,492 km (0.105 R)
• M25: 30,454,087 km (0.081 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 845.4

Radius: 8.8

Gravity: 10.92 G

Time & Orbit

Eccentricity (e): 0.142

Orbit Range: 4.35 AU - 5.79 AU

Year: 7258 Days

Day: 5.5 Hours

Environment

Temp: -212 °C

Axial Tilt: 49.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 51,898,125 km

• M1: 109,655 km (0.064 R)
• M2: 482,154 km (0.114 R)
• M3: 1,479,373 km (0.117 R)
• M4: 2,328,640 km (0.098 R)
• M5: 2,623,348 km (0.042 R)
• M6: 3,266,470 km (0.054 R)
• M7: 4,114,540 km (0.108 R)
• M8: 4,661,170 km (0.03 R)
• M9: 9,326,530 km (0.104 R)
• M10: 13,479,965 km (0.078 R)
• M11: 13,953,143 km (0.112 R)
• M12: 16,756,757 km (0.075 R)
• M13: 17,722,261 km (0.101 R)
• M14: 25,187,046 km (0.058 R)
• M15: 27,101,300 km (0.106 R)
• M16: 36,637,865 km (0.11 R)
• M17: 39,569,684 km (0.097 R)

Asteroid Belt

Center: 5.72 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 9 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 804.6

Radius: 6.4

Gravity: 19.64 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 5.43 AU - 7.29 AU

Year: 10198 Days

Day: 23.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 51,898,125 km

• M1: 89,011 km (0.074 R)
• M2: 289,173 km (0.101 R)
• M3: 631,752 km (0.119 R)
• M4: 908,059 km (0.11 R)
• M5: 1,109,119 km (0.07 R)
• M6: 1,447,210 km (0.112 R)
• M7: 2,235,740 km (0.063 R)
• M8: 3,579,877 km (0.108 R)
• M9: 3,979,303 km (0.087 R)
• M10: 5,190,448 km (0.096 R)
• M11: 5,632,061 km (0.088 R)
• M12: 8,046,271 km (0.115 R)
• M13: 10,374,612 km (0.029 R)
• M14: 12,096,484 km (0.088 R)
• M15: 17,627,566 km (0.064 R)
• M16: 18,390,515 km (0.096 R)
• M17: 23,164,033 km (0.1 R)
• M18: 24,922,407 km (0.108 R)
• M19: 25,207,989 km (0.092 R)
• M20: 26,175,588 km (0.082 R)
• M21: 30,619,692 km (0.051 R)
• M22: 31,609,581 km (0.073 R)
• M23: 31,944,082 km (0.071 R)
• M24: 35,541,612 km (0.103 R)
• M25: 38,505,594 km (0.117 R)
• M26: 40,177,949 km (0.091 R)
• M27: 42,301,939 km (0.098 R)
• M28: 47,061,695 km (0.064 R)
• M29: 48,231,401 km (0.103 R)
• M30: 48,823,359 km (0.068 R)

Planet 10 - Ice Giant

Semi-Major Axis: 8.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 332.3

Radius: 4.6

Gravity: 15.7 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 7.82 AU - 9.48 AU

Year: 16175 Days

Day: 18.5 Hours

Environment

Temp: -237 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 51,898,125 km

• M1: 57,296 km (0.07 R)
• M2: 424,110 km (0.081 R)
• M3: 906,713 km (0.065 R)
• M4: 1,077,553 km (0.06 R)
• M5: 1,257,221 km (0.096 R)
• M6: 1,755,980 km (0.107 R)
• M7: 2,536,881 km (0.082 R)
• M8: 3,156,066 km (0.073 R)
• M9: 3,350,244 km (0.109 R)
• M10: 3,762,386 km (0.118 R)
• M11: 4,008,774 km (0.032 R)
• M12: 4,625,417 km (0.106 R)
• M13: 4,908,306 km (0.045 R)
• M14: 5,103,232 km (0.055 R)
• M15: 5,337,054 km (0.11 R)
• M16: 6,156,252 km (0.116 R)
• M17: 11,087,745 km (0.086 R)
• M18: 12,057,140 km (0.112 R)
• M19: 12,652,988 km (0.09 R)
• M20: 14,097,804 km (0.083 R)
• M21: 17,460,315 km (0.089 R)
• M22: 19,326,250 km (0.055 R)
• M23: 24,375,627 km (0.058 R)
• M24: 29,485,441 km (0.117 R)
• M25: 30,673,847 km (0.063 R)
• M26: 32,006,464 km (0.056 R)
• M27: 37,098,477 km (0.059 R)
• M28: 37,472,621 km (0.102 R)
• M29: 43,253,083 km (0.081 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: 260 - 11,264 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit