🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.36 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.72 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 777

Radius: 8.9

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.082

Orbit Range: 0.66 AU - 0.78 AU

Year: 407 Days

Day: 13.6 Hours

Environment

Temp: -165 °C

Axial Tilt: 21.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 73,947,150 km

• M1: 110,702 km (0.107 R)
• M2: 426,803 km (0.056 R)
• M3: 1,108,969 km (0.056 R)
• M4: 1,422,526 km (0.119 R)
• M5: 1,936,993 km (0.1 R)
• M6: 2,305,752 km (0.107 R)
• M7: 2,710,863 km (0.103 R)
• M8: 3,129,288 km (0.047 R)
• M9: 3,627,449 km (0.114 R)
• M10: 4,232,872 km (0.105 R)
• M11: 4,516,360 km (0.053 R)
• M12: 5,832,073 km (0.095 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 390

Radius: 12.4

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.74 AU - 1.18 AU

Year: 627 Days

Day: 8 Hours

Environment

Temp: -170 °C

Axial Tilt: 15.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 73,947,150 km

• M1: 154,235 km (0.117 R)
• M2: 585,227 km (0.046 R)
• M3: 1,085,781 km (0.105 R)
• M4: 1,482,216 km (0.1 R)
• M5: 2,002,367 km (0.078 R)
• M6: 2,787,008 km (0.081 R)
• M7: 3,381,211 km (0.103 R)
• M8: 3,924,401 km (0.053 R)
• M9: 4,613,898 km (0.068 R)
• M10: 5,349,620 km (0.039 R)
• M11: 5,789,438 km (0.112 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 957.9

Radius: 12.1

Gravity: 6.54 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 1.22 AU - 1.66 AU

Year: 1152 Days

Day: 14.7 Hours

Environment

Temp: -186 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 73,947,150 km

• M1: 150,645 km (0.12 R)
• M2: 553,811 km (0.105 R)
• M3: 1,379,292 km (0.051 R)
• M4: 1,804,450 km (0.095 R)
• M5: 2,597,617 km (0.095 R)
• M6: 3,772,709 km (0.084 R)
• M7: 4,324,725 km (0.108 R)
• M8: 5,090,068 km (0.11 R)
• M9: 6,287,449 km (0.065 R)
• M10: 6,815,978 km (0.097 R)
• M11: 8,240,000 km (0.088 R)
• M12: 9,385,621 km (0.065 R)
• M13: 10,435,499 km (0.082 R)
• M14: 11,351,486 km (0.094 R)
• M15: 12,431,284 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 583.6

Radius: 11.3

Gravity: 4.57 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 1.71 AU - 2.61 AU

Year: 2117 Days

Day: 12.5 Hours

Environment

Temp: -209 °C

Axial Tilt: 15.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 73,947,150 km

• M1: 140,622 km (0.104 R)
• M2: 581,188 km (0.064 R)
• M3: 1,275,920 km (0.088 R)
• M4: 1,677,740 km (0.112 R)
• M5: 2,377,260 km (0.096 R)
• M6: 3,150,681 km (0.107 R)
• M7: 3,596,482 km (0.115 R)
• M8: 3,953,722 km (0.108 R)
• M9: 4,514,265 km (0.048 R)
• M10: 5,149,308 km (0.075 R)
• M11: 6,087,586 km (0.084 R)
• M12: 7,303,667 km (0.094 R)
• M13: 9,455,333 km (0.116 R)
• M14: 9,966,509 km (0.079 R)
• M15: 10,859,160 km (0.101 R)
• M16: 11,534,445 km (0.064 R)
• M17: 12,197,612 km (0.117 R)
• M18: 12,599,432 km (0.051 R)
• M19: 13,514,821 km (0.102 R)
• M20: 14,207,908 km (0.034 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 419.7

Radius: 9.9

Gravity: 4.28 G

Time & Orbit

Eccentricity (e): 0.222

Orbit Range: 1.69 AU - 2.65 AU

Year: 2132 Days

Day: 11.8 Hours

Environment

Temp: -193 °C

Axial Tilt: 45.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 73,947,150 km

• M1: 123,269 km (0.112 R)
• M2: 463,604 km (0.062 R)
• M3: 951,592 km (0.11 R)
• M4: 1,300,604 km (0.075 R)
• M5: 2,183,830 km (0.056 R)
• M6: 2,734,948 km (0.107 R)
• M7: 3,441,200 km (0.076 R)
• M8: 3,988,429 km (0.057 R)
• M9: 5,388,366 km (0.057 R)
• M10: 6,103,294 km (0.108 R)
• M11: 6,699,292 km (0.073 R)
• M12: 7,198,201 km (0.088 R)
• M13: 9,221,512 km (0.06 R)
• M14: 9,706,957 km (0.072 R)
• M15: 11,523,674 km (0.045 R)
• M16: 13,556,409 km (0.06 R)
• M17: 13,889,115 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 855.1

Radius: 12.3

Gravity: 5.65 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 4.66 AU - 6.22 AU

Year: 8461 Days

Day: 13.6 Hours

Environment

Temp: -229 °C

Axial Tilt: 7.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 73,947,150 km

• M1: 153,039 km (0.087 R)
• M2: 549,473 km (0.116 R)
• M3: 1,263,653 km (0.028 R)
• M4: 2,677,951 km (0.108 R)
• M5: 3,076,031 km (0.087 R)
• M6: 3,710,476 km (0.076 R)
• M7: 6,698,245 km (0.098 R)
• M8: 7,160,203 km (0.101 R)
• M9: 7,725,832 km (0.089 R)
• M10: 8,364,915 km (0.106 R)
• M11: 8,765,089 km (0.069 R)
• M12: 10,393,910 km (0.109 R)
• M13: 14,179,933 km (0.101 R)
• M14: 16,208,929 km (0.06 R)
• M15: 16,623,016 km (0.111 R)
• M16: 17,689,051 km (0.058 R)
• M17: 19,257,435 km (0.063 R)
• M18: 26,560,204 km (0.034 R)
• M19: 27,720,785 km (0.079 R)
• M20: 28,513,055 km (0.079 R)
• M21: 37,047,913 km (0.119 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 782.3

Radius: 5.2

Gravity: 28.93 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 5.09 AU - 7.63 AU

Year: 10696 Days

Day: 23 Hours

Environment

Temp: -219 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 73,947,150 km

• M1: 64,626 km (0.091 R)
• M2: 304,132 km (0.068 R)
• M3: 652,845 km (0.082 R)
• M4: 1,477,728 km (0.095 R)
• M5: 1,684,921 km (0.113 R)
• M6: 2,213,749 km (0.031 R)
• M7: 2,445,925 km (0.069 R)
• M8: 3,098,172 km (0.081 R)
• M9: 4,225,691 km (0.094 R)
• M10: 4,994,475 km (0.049 R)
• M11: 6,109,577 km (0.078 R)
• M12: 6,450,959 km (0.06 R)
• M13: 8,772,120 km (0.106 R)
• M14: 11,539,681 km (0.115 R)
• M15: 12,719,709 km (0.069 R)
• M16: 20,424,298 km (0.118 R)
• M17: 21,531,472 km (0.067 R)
• M18: 21,792,520 km (0.06 R)
• M19: 23,312,135 km (0.112 R)
• M20: 25,092,350 km (0.111 R)
• M21: 26,064,886 km (0.09 R)
• M22: 27,775,388 km (0.093 R)
• M23: 32,891,037 km (0.104 R)
• M24: 35,246,156 km (0.076 R)
• M25: 38,600,439 km (0.07 R)
• M26: 43,951,705 km (0.084 R)
• M27: 45,935,522 km (0.077 R)
• M28: 48,871,979 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 857.8

Radius: 3.6

Gravity: 66.19 G

Time & Orbit

Eccentricity (e): 0.005

Orbit Range: 6.47 AU - 6.53 AU

Year: 11051 Days

Day: 19.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 48.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 73,947,150 km

• M1: 44,879 km (0.037 R)
• M2: 199,414 km (0.08 R)
• M3: 513,270 km (0.096 R)
• M4: 656,735 km (0.119 R)
• M5: 876,344 km (0.089 R)
• M6: 992,432 km (0.111 R)
• M7: 1,432,699 km (0.112 R)
• M8: 1,549,535 km (0.108 R)
• M9: 2,728,067 km (0.079 R)
• M10: 3,737,553 km (0.106 R)
• M11: 4,681,366 km (0.102 R)
• M12: 4,809,572 km (0.084 R)
• M13: 5,311,323 km (0.069 R)
• M14: 5,700,876 km (0.106 R)
• M15: 7,193,563 km (0.108 R)
• M16: 7,537,938 km (0.115 R)
• M17: 8,400,070 km (0.118 R)
• M18: 10,156,499 km (0.098 R)
• M19: 10,755,339 km (0.098 R)
• M20: 11,493,156 km (0.116 R)
• M21: 13,005,740 km (0.073 R)
• M22: 14,920,443 km (0.031 R)
• M23: 15,338,868 km (0.108 R)
• M24: 15,908,686 km (0.097 R)
• M25: 18,171,803 km (0.036 R)
• M26: 18,648,871 km (0.112 R)
• M27: 20,640,467 km (0.087 R)
• M28: 22,769,544 km (0.11 R)
• M29: 23,230,754 km (0.057 R)
• M30: 23,417,003 km (0.039 R)
• M31: 24,748,574 km (0.109 R)
• M32: 25,929,500 km (0.032 R)
• M33: 44,143,190 km (0.056 R)
• M34: 47,504,056 km (0.074 R)
• M35: 52,618,059 km (0.1 R)
• M36: 55,059,048 km (0.111 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 502.8

Radius: 5.1

Gravity: 19.33 G

Time & Orbit

Eccentricity (e): 0.169

Orbit Range: 8.64 AU - 12.16 AU

Year: 22366 Days

Day: 21.9 Hours

Environment

Temp: -240 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 73,947,150 km

• M1: 63,429 km (0.049 R)
• M2: 333,304 km (0.098 R)
• M3: 1,245,851 km (0.111 R)
• M4: 2,670,621 km (0.082 R)
• M5: 2,993,005 km (0.1 R)
• M6: 3,453,467 km (0.064 R)
• M7: 4,022,238 km (0.075 R)
• M8: 4,513,966 km (0.093 R)
• M9: 4,971,586 km (0.116 R)
• M10: 5,576,560 km (0.08 R)
• M11: 5,815,617 km (0.073 R)
• M12: 6,314,377 km (0.085 R)
• M13: 6,662,341 km (0.095 R)
• M14: 8,082,175 km (0.087 R)
• M15: 8,597,090 km (0.094 R)
• M16: 8,916,332 km (0.096 R)
• M17: 9,578,752 km (0.09 R)
• M18: 9,749,293 km (0.1 R)
• M19: 13,674,293 km (0.078 R)
• M20: 15,470,215 km (0.095 R)
• M21: 19,705,181 km (0.075 R)
• M22: 21,304,682 km (0.075 R)
• M23: 21,498,411 km (0.059 R)
• M24: 30,368,517 km (0.053 R)
• M25: 32,114,025 km (0.096 R)
• M26: 35,260,069 km (0.098 R)
• M27: 35,667,274 km (0.09 R)
• M28: 39,766,106 km (0.099 R)
• M29: 44,641,201 km (0.045 R)
• M30: 47,551,179 km (0.12 R)
• M31: 52,854,573 km (0.116 R)
• M32: 54,465,144 km (0.092 R)
• M33: 55,373,801 km (0.111 R)
• M34: 55,923,873 km (0.073 R)
• M35: 57,595,779 km (0.079 R)
• M36: 61,234,448 km (0.106 R)
• M37: 68,122,682 km (0.107 R)
• M38: 70,028,858 km (0.095 R)
• M39: 71,970,189 km (0.107 R)

Kuiper Belt

Range: 30 - 47 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 174 - 12,584 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit