🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.13

Radius: 1.58

Gravity: 1.25 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 0.58 AU - 0.66 AU

Year: 320 Days

Day: 34.5 Hours

Environment

Temp: -129 °C

Axial Tilt: 42.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,957,886 km

• M1: 152,739 km (0.108 R)

Asteroid Belt

Center: 1.14 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 2 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.7

Radius: 12.1

Gravity: 4.25 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 1.56 AU - 1.74 AU

Year: 1390 Days

Day: 14 Hours

Environment

Temp: -175 °C

Axial Tilt: 45 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,957,886 km

• M1: 150,495 km (0.085 R)
• M2: 553,662 km (0.109 R)
• M3: 1,010,982 km (0.076 R)
• M4: 1,519,765 km (0.118 R)
• M5: 1,910,814 km (0.092 R)
• M6: 2,916,111 km (0.093 R)
• M7: 3,421,752 km (0.077 R)
• M8: 3,884,608 km (0.106 R)
• M9: 5,300,103 km (0.075 R)
• M10: 5,768,045 km (0.094 R)
• M11: 6,762,721 km (0.086 R)
• M12: 7,391,631 km (0.045 R)
• M13: 7,895,476 km (0.099 R)
• M14: 8,913,041 km (0.099 R)
• M15: 9,484,355 km (0.058 R)
• M16: 10,501,621 km (0.118 R)
• M17: 11,520,233 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.8 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 322.7

Radius: 8.8

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.238

Orbit Range: 1.37 AU - 2.23 AU

Year: 1584 Days

Day: 9.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 49,957,886 km

• M1: 111,750 km (0.064 R)
• M2: 395,537 km (0.102 R)
• M3: 770,579 km (0.104 R)
• M4: 1,404,724 km (0.099 R)
• M5: 2,153,910 km (0.09 R)
• M6: 2,648,630 km (0.065 R)
• M7: 3,161,153 km (0.051 R)
• M8: 3,978,555 km (0.093 R)
• M9: 4,280,444 km (0.097 R)
• M10: 4,688,397 km (0.105 R)
• M11: 5,122,081 km (0.099 R)
• M12: 5,748,747 km (0.113 R)
• M13: 6,562,709 km (0.043 R)
• M14: 7,351,539 km (0.113 R)
• M15: 8,042,830 km (0.112 R)
• M16: 8,945,803 km (0.105 R)
• M17: 10,284,106 km (0.067 R)
• M18: 10,598,710 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.28 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 556.1

Radius: 12.5

Gravity: 3.56 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 1.95 AU - 2.61 AU

Year: 2258 Days

Day: 8 Hours

Environment

Temp: -187 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,957,886 km

• M1: 155,432 km (0.088 R)
• M2: 594,502 km (0.036 R)
• M3: 1,001,109 km (0.072 R)
• M4: 1,425,369 km (0.1 R)
• M5: 1,850,077 km (0.056 R)
• M6: 2,399,251 km (0.058 R)
• M7: 3,344,111 km (0.095 R)
• M8: 3,793,204 km (0.078 R)
• M9: 4,750,630 km (0.088 R)
• M10: 5,230,241 km (0.091 R)
• M11: 5,765,951 km (0.076 R)
• M12: 6,441,535 km (0.064 R)
• M13: 7,141,354 km (0.095 R)
• M14: 11,122,901 km (0.083 R)
• M15: 14,418,692 km (0.06 R)
• M16: 15,334,679 km (0.072 R)
• M17: 16,484,638 km (0.098 R)

Asteroid Belt

Center: 4.66 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Ice Giant

Semi-Major Axis: 7.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 26.9

Radius: 7.4

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 6.89 AU - 7.19 AU

Year: 12254 Days

Day: 16.8 Hours

Environment

Temp: -215 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 49,957,886 km

• M1: 92,900 km (0.039 R)
• M2: 392,694 km (0.074 R)
• M3: 777,610 km (0.1 R)
• M4: 1,547,590 km (0.12 R)
• M5: 2,583,705 km (0.1 R)
• M6: 2,999,138 km (0.089 R)
• M7: 4,347,464 km (0.071 R)
• M8: 5,725,709 km (0.042 R)
• M9: 6,405,332 km (0.088 R)
• M10: 8,209,333 km (0.114 R)
• M11: 12,148,993 km (0.069 R)
• M12: 18,050,629 km (0.116 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 198.8

Radius: 7.3

Gravity: 3.73 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 8.8 AU - 11.24 AU

Year: 20807 Days

Day: 24.8 Hours

Environment

Temp: -220 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 49,957,886 km

• M1: 93,050 km (0.081 R)
• M2: 353,500 km (0.079 R)
• M3: 769,382 km (0.118 R)
• M4: 1,643,931 km (0.056 R)
• M5: 2,706,076 km (0.071 R)
• M6: 3,060,324 km (0.097 R)
• M7: 4,110,501 km (0.088 R)
• M8: 4,429,294 km (0.11 R)
• M9: 7,225,727 km (0.108 R)
• M10: 7,864,958 km (0.083 R)
• M11: 11,467,874 km (0.075 R)
• M12: 12,100,822 km (0.092 R)
• M13: 14,467,460 km (0.068 R)
• M14: 15,829,399 km (0.098 R)
• M15: 17,274,665 km (0.101 R)
• M16: 18,414,750 km (0.032 R)
• M17: 22,845,689 km (0.106 R)
• M18: 23,846,649 km (0.101 R)
• M19: 26,328,627 km (0.091 R)
• M20: 26,625,728 km (0.11 R)
• M21: 28,559,131 km (0.086 R)
• M22: 31,464,771 km (0.111 R)
• M23: 35,396,651 km (0.043 R)
• M24: 43,663,579 km (0.111 R)
• M25: 46,923,167 km (0.025 R)
• M26: 47,359,844 km (0.077 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 826.3

Radius: 5.6

Gravity: 26.35 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 9.19 AU - 12.01 AU

Year: 22640 Days

Day: 21.9 Hours

Environment

Temp: -235 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,957,886 km

• M1: 90,656 km (0.054 R)
• M2: 276,457 km (0.038 R)
• M3: 557,102 km (0.08 R)
• M4: 980,315 km (0.095 R)
• M5: 2,539,274 km (0.106 R)
• M6: 5,324,338 km (0.093 R)
• M7: 6,307,196 km (0.12 R)
• M8: 11,937,461 km (0.1 R)
• M9: 17,849,569 km (0.093 R)
• M10: 22,154,996 km (0.048 R)
• M11: 24,885,456 km (0.07 R)
• M12: 28,947,487 km (0.038 R)
• M13: 30,221,313 km (0.037 R)
• M14: 34,407,211 km (0.103 R)
• M15: 36,126,091 km (0.072 R)
• M16: 37,154,875 km (0.105 R)
• M17: 37,901,518 km (0.092 R)
• M18: 43,575,466 km (0.101 R)
• M19: 54,820,439 km (0.078 R)
• M20: 56,177,890 km (0.066 R)
• M21: 57,359,115 km (0.092 R)
• M22: 66,531,559 km (0.117 R)
• M23: 67,631,851 km (0.112 R)
• M24: 67,853,405 km (0.11 R)
• M25: 82,048,299 km (0.089 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.86 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 140.7

Radius: 5.7

Gravity: 4.33 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 10.28 AU - 11.44 AU

Year: 23478 Days

Day: 18.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 20.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,957,886 km

• M1: 74,350 km (0.115 R)
• M2: 1,031,178 km (0.067 R)
• M3: 1,542,803 km (0.102 R)
• M4: 3,287,712 km (0.114 R)
• M5: 3,534,399 km (0.101 R)
• M6: 4,832,310 km (0.049 R)
• M7: 5,519,264 km (0.082 R)
• M8: 6,805,955 km (0.048 R)
• M9: 12,191,927 km (0.077 R)
• M10: 16,387,998 km (0.118 R)
• M11: 16,818,092 km (0.11 R)
• M12: 21,797,607 km (0.065 R)
• M13: 22,669,014 km (0.082 R)
• M14: 25,517,358 km (0.112 R)
• M15: 26,386,970 km (0.11 R)
• M16: 34,416,337 km (0.054 R)
• M17: 42,707,799 km (0.104 R)
• M18: 44,069,887 km (0.106 R)
• M19: 46,166,950 km (0.065 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: 188 - 15,046 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit