🌌 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: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 326.4

Radius: 8.6

Gravity: 4.41 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.73 AU - 0.85 AU

Year: 494 Days

Day: 8.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 45,490,170 km

• M1: 107,561 km (0.117 R)
• M2: 655,687 km (0.104 R)
• M3: 986,897 km (0.037 R)
• M4: 1,270,684 km (0.103 R)
• M5: 1,616,555 km (0.055 R)
• M6: 1,916,798 km (0.08 R)
• M7: 2,279,872 km (0.07 R)
• M8: 2,631,427 km (0.098 R)
• M9: 3,039,829 km (0.078 R)
• M10: 4,804,635 km (0.11 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 978.2

Radius: 8.1

Gravity: 14.91 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 0.97 AU - 1.17 AU

Year: 778 Days

Day: 10.5 Hours

Environment

Temp: -185 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,490,170 km

• M1: 100,979 km (0.04 R)
• M2: 358,436 km (0.1 R)
• M3: 618,288 km (0.114 R)
• M4: 970,292 km (0.081 R)
• M5: 1,501,514 km (0.059 R)
• M6: 1,810,583 km (0.064 R)
• M7: 2,267,455 km (0.108 R)
• M8: 2,677,054 km (0.099 R)
• M9: 2,989,863 km (0.062 R)
• M10: 3,526,919 km (0.03 R)
• M11: 4,459,662 km (0.071 R)
• M12: 5,830,427 km (0.094 R)
• M13: 7,127,890 km (0.109 R)
• M14: 7,413,622 km (0.09 R)
• M15: 7,982,842 km (0.046 R)
• M16: 9,433,941 km (0.074 R)
• M17: 9,749,742 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.9

Radius: 11.4

Gravity: 3.75 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.44 AU - 1.94 AU

Year: 1544 Days

Day: 6.1 Hours

Environment

Temp: -200 °C

Axial Tilt: 147.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 45,490,170 km

• M1: 142,716 km (0.057 R)
• M2: 529,427 km (0.112 R)
• M3: 1,129,913 km (0.062 R)
• M4: 2,504,268 km (0.077 R)
• M5: 3,423,098 km (0.115 R)
• M6: 4,088,360 km (0.099 R)
• M7: 4,479,708 km (0.076 R)
• M8: 7,563,968 km (0.114 R)
• M9: 8,184,500 km (0.105 R)
• M10: 8,897,034 km (0.069 R)
• M11: 10,643,440 km (0.065 R)
• M12: 12,167,842 km (0.09 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 447.8

Radius: 9.2

Gravity: 5.29 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.48 AU - 2.02 AU

Year: 1627 Days

Day: 9.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 37.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 45,490,170 km

• M1: 118,930 km (0.097 R)
• M2: 436,227 km (0.089 R)
• M3: 948,750 km (0.07 R)
• M4: 1,333,815 km (0.118 R)
• M5: 1,995,636 km (0.057 R)
• M6: 3,000,036 km (0.106 R)
• M7: 3,441,798 km (0.117 R)
• M8: 3,875,931 km (0.106 R)
• M9: 4,256,359 km (0.066 R)
• M10: 5,944,421 km (0.119 R)
• M11: 6,814,033 km (0.09 R)
• M12: 7,344,059 km (0.043 R)
• M13: 8,543,684 km (0.114 R)
• M14: 9,040,499 km (0.112 R)
• M15: 9,372,157 km (0.12 R)
• M16: 9,837,556 km (0.047 R)
• M17: 10,781,070 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.8

Radius: 13.7

Gravity: 3.84 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.42 AU - 2.32 AU

Year: 1798 Days

Day: 11.4 Hours

Environment

Temp: -191 °C

Axial Tilt: 3.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 45,490,170 km

• M1: 170,392 km (0.077 R)
• M2: 682,914 km (0.031 R)
• M3: 1,332,169 km (0.093 R)
• M4: 1,987,408 km (0.104 R)
• M5: 2,614,522 km (0.116 R)
• M6: 3,119,265 km (0.118 R)
• M7: 3,586,609 km (0.119 R)
• M8: 4,849,514 km (0.108 R)
• M9: 5,480,967 km (0.112 R)
• M10: 6,093,121 km (0.057 R)
• M11: 7,652,978 km (0.103 R)
• M12: 8,634,191 km (0.05 R)
• M13: 9,465,207 km (0.042 R)
• M14: 11,138,758 km (0.095 R)
• M15: 13,083,830 km (0.102 R)
• M16: 13,709,298 km (0.025 R)
• M17: 14,354,514 km (0.046 R)
• M18: 15,020,075 km (0.052 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 788.5

Radius: 3.4

Gravity: 68.21 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.71 AU - 6.19 AU

Year: 8943 Days

Day: 16.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 34 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 45,490,170 km

• M1: 62,682 km (0.093 R)
• M2: 215,720 km (0.106 R)
• M3: 323,131 km (0.054 R)
• M4: 443,707 km (0.054 R)
• M5: 833,111 km (0.046 R)
• M6: 1,032,525 km (0.098 R)
• M7: 1,238,371 km (0.078 R)
• M8: 1,597,705 km (0.097 R)
• M9: 2,479,435 km (0.077 R)
• M10: 2,598,665 km (0.104 R)
• M11: 2,935,409 km (0.12 R)
• M12: 3,114,328 km (0.111 R)
• M13: 4,092,549 km (0.107 R)
• M14: 4,488,834 km (0.051 R)
• M15: 4,787,281 km (0.117 R)
• M16: 5,900,888 km (0.036 R)
• M17: 7,297,085 km (0.111 R)
• M18: 8,049,861 km (0.093 R)
• M19: 8,624,766 km (0.073 R)
• M20: 8,991,879 km (0.051 R)
• M21: 10,410,366 km (0.083 R)
• M22: 10,669,021 km (0.1 R)
• M23: 11,914,872 km (0.095 R)
• M24: 15,016,784 km (0.026 R)
• M25: 16,929,093 km (0.117 R)
• M26: 20,412,929 km (0.042 R)
• M27: 21,228,686 km (0.057 R)
• M28: 22,321,498 km (0.057 R)
• M29: 22,492,788 km (0.061 R)
• M30: 24,164,993 km (0.104 R)
• M31: 25,448,842 km (0.096 R)
• M32: 25,729,637 km (0.074 R)
• M33: 29,059,237 km (0.114 R)
• M34: 33,442,305 km (0.12 R)
• M35: 38,123,671 km (0.047 R)
• M36: 44,159,945 km (0.074 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.4

Radius: 4.7

Gravity: 40.22 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 6.25 AU - 7.39 AU

Year: 12519 Days

Day: 19.5 Hours

Environment

Temp: -230 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 45,490,170 km

• M1: 60,288 km (0.107 R)
• M2: 239,656 km (0.037 R)
• M3: 430,243 km (0.102 R)
• M4: 713,283 km (0.071 R)
• M5: 1,052,571 km (0.092 R)
• M6: 1,265,748 km (0.096 R)
• M7: 4,148,199 km (0.095 R)
• M8: 4,457,119 km (0.041 R)
• M9: 4,781,148 km (0.118 R)
• M10: 5,734,984 km (0.099 R)
• M11: 6,001,567 km (0.107 R)
• M12: 7,550,504 km (0.117 R)
• M13: 8,392,590 km (0.117 R)
• M14: 10,654,510 km (0.104 R)
• M15: 14,939,591 km (0.119 R)
• M16: 15,960,447 km (0.108 R)
• M17: 16,185,143 km (0.046 R)
• M18: 17,978,223 km (0.037 R)
• M19: 18,221,469 km (0.034 R)
• M20: 18,631,816 km (0.076 R)
• M21: 19,132,221 km (0.111 R)
• M22: 22,605,884 km (0.087 R)
• M23: 23,948,824 km (0.089 R)
• M24: 27,216,341 km (0.047 R)
• M25: 28,734,759 km (0.064 R)
• M26: 30,423,420 km (0.1 R)
• M27: 31,000,718 km (0.087 R)
• M28: 33,997,014 km (0.085 R)
• M29: 35,884,340 km (0.091 R)
• M30: 38,777,114 km (0.06 R)
• M31: 44,280,521 km (0.073 R)
• M32: 48,694,556 km (0.109 R)
• M33: 50,121,719 km (0.055 R)
• M34: 50,442,756 km (0.081 R)
• M35: 52,397,103 km (0.083 R)

Planet 8 - Ice Giant

Semi-Major Axis: 8.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 218.1

Radius: 3.4

Gravity: 18.87 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 6.65 AU - 9.67 AU

Year: 16385 Days

Day: 21.3 Hours

Environment

Temp: -226 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 45,490,170 km

• M1: 53,706 km (0.04 R)
• M2: 539,600 km (0.065 R)
• M3: 686,355 km (0.112 R)
• M4: 878,439 km (0.089 R)
• M5: 1,559,558 km (0.028 R)
• M6: 3,267,217 km (0.025 R)
• M7: 5,930,209 km (0.097 R)
• M8: 6,581,259 km (0.1 R)
• M9: 7,119,512 km (0.09 R)
• M10: 9,471,640 km (0.097 R)
• M11: 9,712,492 km (0.051 R)
• M12: 13,108,364 km (0.119 R)
• M13: 14,907,577 km (0.108 R)
• M14: 15,697,753 km (0.092 R)
• M15: 15,967,329 km (0.104 R)
• M16: 18,683,727 km (0.095 R)
• M17: 24,735,858 km (0.109 R)
• M18: 27,463,327 km (0.114 R)
• M19: 29,866,766 km (0.09 R)
• M20: 34,744,105 km (0.108 R)
• M21: 36,953,516 km (0.085 R)
• M22: 42,036,553 km (0.04 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: 246 - 13,463 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit