🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.59 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.46

Radius: 1.82

Gravity: 1.35 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 0.45 AU - 0.73 AU

Year: 297 Days

Day: 22.3 Hours

Environment

Temp: -134 °C

Axial Tilt: 29.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 65,700,405 km

• M1: 130,001 km (0.117 R)
• M2: 538,552 km (0.092 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.82 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833.4

Radius: 14.5

Gravity: 3.96 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 0.74 AU - 0.9 AU

Year: 487 Days

Day: 9 Hours

Environment

Temp: -155 °C

Axial Tilt: 46.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 65,700,405 km

• M1: 183,856 km (0.115 R)
• M2: 861,385 km (0.097 R)
• M3: 1,316,312 km (0.119 R)
• M4: 1,810,433 km (0.102 R)
• M5: 4,586,222 km (0.116 R)
• M6: 5,473,487 km (0.119 R)
• M7: 6,263,663 km (0.066 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 336.1

Radius: 14.1

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.112

Orbit Range: 1.23 AU - 1.55 AU

Year: 1075 Days

Day: 12.8 Hours

Environment

Temp: -177 °C

Axial Tilt: 32.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 65,700,405 km

• M1: 175,329 km (0.102 R)
• M2: 616,792 km (0.071 R)
• M3: 1,299,108 km (0.116 R)
• M4: 1,912,459 km (0.057 R)
• M5: 2,370,079 km (0.109 R)
• M6: 2,961,739 km (0.099 R)
• M7: 3,486,079 km (0.109 R)
• M8: 3,967,934 km (0.071 R)
• M9: 4,510,376 km (0.089 R)
• M10: 5,445,063 km (0.036 R)
• M11: 5,998,276 km (0.085 R)
• M12: 6,589,038 km (0.064 R)
• M13: 7,398,961 km (0.104 R)
• M14: 8,127,952 km (0.112 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 664.7

Radius: 9.2

Gravity: 7.85 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 1.64 AU - 1.66 AU

Year: 1390 Days

Day: 5.6 Hours

Environment

Temp: -173 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,700,405 km

• M1: 114,442 km (0.063 R)
• M2: 555,756 km (0.045 R)
• M3: 1,117,945 km (0.064 R)
• M4: 2,214,348 km (0.073 R)
• M5: 2,589,838 km (0.115 R)
• M6: 2,965,179 km (0.052 R)
• M7: 3,532,903 km (0.067 R)
• M8: 4,224,793 km (0.075 R)
• M9: 5,187,605 km (0.094 R)
• M10: 5,765,053 km (0.111 R)
• M11: 6,290,291 km (0.116 R)
• M12: 6,972,308 km (0.072 R)
• M13: 7,729,722 km (0.083 R)
• M14: 8,483,246 km (0.099 R)
• M15: 8,892,845 km (0.069 R)
• M16: 9,563,193 km (0.106 R)
• M17: 10,071,527 km (0.109 R)
• M18: 10,799,769 km (0.077 R)
• M19: 11,386,193 km (0.077 R)
• M20: 12,398,372 km (0.095 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 80

Radius: 8.5

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.241

Orbit Range: 1.57 AU - 2.57 AU

Year: 1954 Days

Day: 9.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 65,700,405 km

• M1: 106,514 km (0.108 R)
• M2: 484,248 km (0.105 R)
• M3: 1,010,234 km (0.096 R)
• M4: 1,436,289 km (0.076 R)
• M5: 1,820,756 km (0.118 R)
• M6: 2,117,408 km (0.068 R)
• M7: 2,938,701 km (0.101 R)
• M8: 3,943,101 km (0.054 R)
• M9: 4,412,838 km (0.062 R)
• M10: 5,178,031 km (0.051 R)
• M11: 6,325,746 km (0.102 R)
• M12: 7,476,004 km (0.087 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 176.2

Radius: 10.8

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.066

Orbit Range: 2.05 AU - 2.33 AU

Year: 2126 Days

Day: 12.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 11.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 65,700,405 km

• M1: 134,339 km (0.064 R)
• M2: 509,381 km (0.115 R)
• M3: 1,054,067 km (0.107 R)
• M4: 1,443,021 km (0.119 R)
• M5: 1,804,300 km (0.1 R)
• M6: 2,393,416 km (0.03 R)
• M7: 3,079,622 km (0.117 R)
• M8: 5,049,527 km (0.088 R)
• M9: 6,468,163 km (0.106 R)
• M10: 7,245,324 km (0.036 R)
• M11: 7,669,434 km (0.07 R)
• M12: 8,216,065 km (0.079 R)
• M13: 9,446,058 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 61.1

Radius: 11.8

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.216

Orbit Range: 3.2 AU - 4.96 AU

Year: 5406 Days

Day: 13.8 Hours

Environment

Temp: -212 °C

Axial Tilt: 3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 65,700,405 km

• M1: 146,756 km (0.062 R)
• M2: 599,139 km (0.074 R)
• M3: 1,272,928 km (0.106 R)
• M4: 2,386,385 km (0.057 R)
• M5: 3,531,707 km (0.104 R)
• M6: 4,264,736 km (0.064 R)
• M7: 4,787,730 km (0.085 R)
• M8: 5,462,865 km (0.108 R)
• M9: 6,297,173 km (0.069 R)
• M10: 7,294,691 km (0.077 R)
• M11: 7,789,412 km (0.099 R)
• M12: 10,642,093 km (0.075 R)
• M13: 11,064,259 km (0.112 R)
• M14: 11,829,900 km (0.083 R)
• M15: 13,304,786 km (0.091 R)

Asteroid Belt

Center: 5.64 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 433.7

Radius: 5

Gravity: 17.35 G

Time & Orbit

Eccentricity (e): 0.185

Orbit Range: 5.86 AU - 8.52 AU

Year: 12647 Days

Day: 17.3 Hours

Environment

Temp: -218 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 65,700,405 km

• M1: 62,233 km (0.118 R)
• M2: 366,515 km (0.101 R)
• M3: 786,586 km (0.074 R)
• M4: 967,001 km (0.11 R)
• M5: 1,198,578 km (0.056 R)
• M6: 1,821,354 km (0.106 R)
• M7: 2,380,701 km (0.101 R)
• M8: 2,957,999 km (0.114 R)
• M9: 3,162,050 km (0.071 R)
• M10: 6,476,840 km (0.109 R)
• M11: 7,506,522 km (0.113 R)
• M12: 8,236,260 km (0.098 R)
• M13: 8,641,072 km (0.12 R)
• M14: 8,918,277 km (0.078 R)
• M15: 9,106,322 km (0.096 R)
• M16: 10,866,939 km (0.096 R)
• M17: 12,197,762 km (0.099 R)
• M18: 13,883,131 km (0.09 R)
• M19: 15,178,050 km (0.057 R)
• M20: 16,410,438 km (0.079 R)
• M21: 17,195,677 km (0.041 R)
• M22: 18,995,190 km (0.1 R)
• M23: 22,787,944 km (0.088 R)
• M24: 23,051,536 km (0.11 R)
• M25: 23,495,393 km (0.12 R)
• M26: 24,400,011 km (0.109 R)
• M27: 28,657,567 km (0.06 R)
• M28: 30,215,030 km (0.111 R)
• M29: 30,746,551 km (0.116 R)
• M30: 31,068,336 km (0.115 R)
• M31: 31,718,788 km (0.068 R)
• M32: 31,937,649 km (0.095 R)
• M33: 32,600,218 km (0.03 R)
• M34: 34,411,549 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.73 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 331.8

Radius: 6.1

Gravity: 8.92 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 9.81 AU - 11.65 AU

Year: 23057 Days

Day: 18.6 Hours

Environment

Temp: -222 °C

Axial Tilt: 6.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 65,700,405 km

• M1: 78,688 km (0.103 R)
• M2: 349,760 km (0.088 R)
• M3: 793,916 km (0.056 R)
• M4: 1,189,752 km (0.075 R)
• M5: 1,956,142 km (0.085 R)
• M6: 2,937,953 km (0.092 R)
• M7: 6,095,814 km (0.087 R)
• M8: 7,243,080 km (0.047 R)
• M9: 8,832,258 km (0.116 R)
• M10: 10,409,319 km (0.115 R)
• M11: 13,829,725 km (0.094 R)
• M12: 15,640,457 km (0.042 R)
• M13: 24,774,754 km (0.113 R)
• M14: 25,395,735 km (0.08 R)
• M15: 35,210,402 km (0.116 R)
• M16: 38,556,607 km (0.082 R)
• M17: 43,289,884 km (0.104 R)
• M18: 51,678,435 km (0.063 R)
• M19: 58,136,276 km (0.055 R)
• M20: 58,499,948 km (0.082 R)

Kuiper Belt

Range: 30 - 45 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 502 - 10,869 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit