🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 537.9

Radius: 13.5

Gravity: 2.95 G

Time & Orbit

Eccentricity (e): 0.161

Orbit Range: 0.7 AU - 0.98 AU

Year: 531 Days

Day: 10.4 Hours

Environment

Temp: -173 °C

Axial Tilt: 38.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 85,718,776 km

• M1: 167,998 km (0.042 R)
• M2: 593,305 km (0.08 R)
• M3: 1,028,186 km (0.085 R)
• M4: 1,667,268 km (0.075 R)
• M5: 2,299,319 km (0.102 R)
• M6: 2,880,507 km (0.072 R)
• M7: 3,448,680 km (0.097 R)
• M8: 3,890,293 km (0.119 R)
• M9: 5,566,387 km (0.102 R)
• M10: 6,105,837 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 3.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 430.5

Radius: 12.7

Gravity: 2.67 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 3.18 AU - 3.86 AU

Year: 4559 Days

Day: 9.2 Hours

Environment

Temp: -214 °C

Axial Tilt: 33.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 85,718,776 km

• M1: 157,975 km (0.081 R)
• M2: 612,603 km (0.057 R)
• M3: 1,483,712 km (0.118 R)
• M4: 1,960,779 km (0.118 R)
• M5: 2,682,439 km (0.105 R)
• M6: 3,458,104 km (0.074 R)
• M7: 4,446,647 km (0.07 R)
• M8: 5,196,132 km (0.044 R)
• M9: 5,777,919 km (0.03 R)
• M10: 6,402,938 km (0.089 R)
• M11: 8,095,040 km (0.086 R)
• M12: 9,403,273 km (0.104 R)
• M13: 9,948,558 km (0.052 R)
• M14: 11,017,285 km (0.106 R)
• M15: 11,935,068 km (0.1 R)
• M16: 12,621,423 km (0.111 R)
• M17: 15,579,421 km (0.117 R)
• M18: 18,727,409 km (0.118 R)
• M19: 19,780,728 km (0.081 R)
• M20: 21,600,885 km (0.093 R)
• M21: 23,958,398 km (0.119 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33

Radius: 14.8

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 3.72 AU - 3.98 AU

Year: 5214 Days

Day: 10.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 85,718,776 km

• M1: 195,824 km (0.033 R)
• M2: 984,204 km (0.074 R)
• M3: 2,074,025 km (0.078 R)
• M4: 4,367,360 km (0.112 R)
• M5: 4,929,699 km (0.111 R)
• M6: 6,771,996 km (0.082 R)
• M7: 7,427,833 km (0.042 R)
• M8: 8,587,666 km (0.069 R)
• M9: 10,517,777 km (0.12 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.33 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 297.4

Radius: 10.2

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 3.64 AU - 5.02 AU

Year: 6219 Days

Day: 5.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 34.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 85,718,776 km

• M1: 151,692 km (0.096 R)
• M2: 518,656 km (0.111 R)
• M3: 851,810 km (0.101 R)
• M4: 1,470,846 km (0.091 R)
• M5: 2,104,692 km (0.079 R)
• M6: 4,202,354 km (0.116 R)
• M7: 4,529,524 km (0.118 R)
• M8: 5,026,488 km (0.087 R)
• M9: 5,450,000 km (0.073 R)
• M10: 6,041,959 km (0.096 R)
• M11: 6,897,509 km (0.114 R)
• M12: 7,254,898 km (0.105 R)
• M13: 9,787,291 km (0.066 R)
• M14: 11,229,863 km (0.111 R)
• M15: 12,377,578 km (0.051 R)
• M16: 21,024,186 km (0.114 R)
• M17: 22,407,667 km (0.078 R)
• M18: 23,193,953 km (0.055 R)
• M19: 23,557,476 km (0.086 R)
• M20: 26,208,949 km (0.071 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.48 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 892

Radius: 8.9

Gravity: 11.26 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.46 AU - 4.5 AU

Year: 6545 Days

Day: 7.4 Hours

Environment

Temp: -221 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 85,718,776 km

• M1: 110,702 km (0.098 R)
• M2: 490,980 km (0.102 R)
• M3: 778,657 km (0.103 R)
• M4: 1,260,362 km (0.072 R)
• M5: 1,657,245 km (0.095 R)
• M6: 1,961,826 km (0.074 R)
• M7: 2,252,794 km (0.112 R)
• M8: 2,629,033 km (0.03 R)
• M9: 3,005,122 km (0.1 R)
• M10: 3,416,965 km (0.108 R)
• M11: 3,792,755 km (0.116 R)
• M12: 4,248,280 km (0.088 R)
• M13: 5,238,618 km (0.057 R)
• M14: 6,136,056 km (0.089 R)
• M15: 6,910,374 km (0.087 R)
• M16: 8,274,408 km (0.117 R)
• M17: 8,738,012 km (0.071 R)
• M18: 9,130,108 km (0.054 R)
• M19: 10,185,670 km (0.111 R)
• M20: 10,817,272 km (0.118 R)
• M21: 13,036,856 km (0.094 R)
• M22: 13,549,378 km (0.061 R)
• M23: 14,075,065 km (0.097 R)
• M24: 15,990,965 km (0.069 R)
• M25: 16,843,823 km (0.049 R)
• M26: 17,934,840 km (0.077 R)
• M27: 27,384,937 km (0.088 R)
• M28: 29,762,197 km (0.12 R)
• M29: 33,001,589 km (0.056 R)

Planet 6 - Ice Giant

Semi-Major Axis: 9.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 527.4

Radius: 5.1

Gravity: 20.28 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 9.18 AU - 9.82 AU

Year: 20211 Days

Day: 17.7 Hours

Environment

Temp: -225 °C

Axial Tilt: 25.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 85,718,776 km

• M1: 63,429 km (0.081 R)
• M2: 361,728 km (0.085 R)
• M3: 790,326 km (0.119 R)
• M4: 1,757,027 km (0.085 R)
• M5: 2,015,233 km (0.051 R)
• M6: 2,194,451 km (0.117 R)
• M7: 3,337,080 km (0.064 R)
• M8: 4,130,248 km (0.034 R)
• M9: 4,420,617 km (0.09 R)
• M10: 4,759,157 km (0.079 R)
• M11: 5,759,668 km (0.102 R)
• M12: 7,118,166 km (0.081 R)
• M13: 9,929,259 km (0.03 R)
• M14: 10,868,285 km (0.117 R)
• M15: 11,173,465 km (0.119 R)
• M16: 12,385,507 km (0.065 R)
• M17: 12,718,512 km (0.117 R)
• M18: 17,607,969 km (0.082 R)
• M19: 19,421,693 km (0.078 R)
• M20: 19,871,085 km (0.113 R)
• M21: 20,604,713 km (0.029 R)
• M22: 24,544,971 km (0.084 R)
• M23: 28,380,960 km (0.116 R)
• M24: 29,782,991 km (0.11 R)
• M25: 31,230,500 km (0.092 R)
• M26: 34,264,943 km (0.092 R)
• M27: 35,988,012 km (0.106 R)
• M28: 46,747,091 km (0.103 R)
• M29: 46,907,609 km (0.077 R)
• M30: 49,361,164 km (0.036 R)
• M31: 54,344,718 km (0.055 R)
• M32: 64,101,341 km (0.069 R)
• M33: 67,118,281 km (0.059 R)
• M34: 70,018,386 km (0.101 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.03 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 584.9

Radius: 6.9

Gravity: 12.29 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 9.95 AU - 10.11 AU

Year: 21926 Days

Day: 18.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 2.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 85,718,776 km

• M1: 112,049 km (0.094 R)
• M2: 442,810 km (0.112 R)
• M3: 1,974,991 km (0.082 R)
• M4: 2,282,415 km (0.114 R)
• M5: 3,261,383 km (0.086 R)
• M6: 3,515,700 km (0.117 R)
• M7: 4,064,275 km (0.072 R)
• M8: 4,739,111 km (0.085 R)
• M9: 5,725,111 km (0.112 R)
• M10: 7,793,899 km (0.101 R)
• M11: 8,353,994 km (0.114 R)
• M12: 9,440,523 km (0.083 R)
• M13: 9,668,660 km (0.111 R)
• M14: 10,375,360 km (0.108 R)
• M15: 10,803,210 km (0.083 R)
• M16: 11,115,870 km (0.067 R)
• M17: 13,191,690 km (0.086 R)
• M18: 14,283,305 km (0.052 R)
• M19: 17,401,374 km (0.072 R)
• M20: 24,297,686 km (0.103 R)
• M21: 26,044,690 km (0.09 R)
• M22: 29,059,386 km (0.085 R)
• M23: 30,031,773 km (0.092 R)
• M24: 30,278,310 km (0.037 R)
• M25: 33,606,414 km (0.099 R)
• M26: 37,740,401 km (0.118 R)
• M27: 42,200,961 km (0.118 R)
• M28: 44,878,314 km (0.094 R)
• M29: 46,012,864 km (0.062 R)
• M30: 48,002,217 km (0.077 R)
• M31: 51,620,391 km (0.086 R)
• M32: 66,439,556 km (0.043 R)
• M33: 68,124,626 km (0.042 R)
• M34: 74,923,700 km (0.098 R)
• M35: 76,748,944 km (0.119 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.47 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 716.4

Radius: 3.6

Gravity: 55.28 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 8.46 AU - 12.48 AU

Year: 23385 Days

Day: 22.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 41.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 85,718,776 km

• M1: 44,730 km (0.088 R)
• M2: 228,735 km (0.089 R)
• M3: 740,509 km (0.091 R)
• M4: 982,110 km (0.094 R)
• M5: 1,170,903 km (0.093 R)
• M6: 1,550,582 km (0.052 R)
• M7: 1,675,496 km (0.077 R)
• M8: 2,134,313 km (0.12 R)
• M9: 3,123,604 km (0.091 R)
• M10: 4,041,985 km (0.12 R)
• M11: 5,405,420 km (0.102 R)
• M12: 5,527,941 km (0.052 R)
• M13: 5,778,367 km (0.112 R)
• M14: 5,949,507 km (0.083 R)
• M15: 7,851,794 km (0.097 R)
• M16: 8,009,021 km (0.112 R)
• M17: 9,343,135 km (0.082 R)
• M18: 10,001,366 km (0.083 R)
• M19: 10,753,993 km (0.117 R)
• M20: 16,674,478 km (0.072 R)
• M21: 17,021,545 km (0.083 R)
• M22: 17,284,987 km (0.034 R)
• M23: 20,168,336 km (0.119 R)
• M24: 21,569,470 km (0.103 R)
• M25: 23,248,706 km (0.084 R)
• M26: 23,681,792 km (0.093 R)
• M27: 25,582,283 km (0.093 R)
• M28: 29,054,749 km (0.097 R)
• M29: 32,022,471 km (0.109 R)
• M30: 34,761,908 km (0.114 R)
• M31: 37,357,431 km (0.107 R)
• M32: 40,234,198 km (0.11 R)
• M33: 43,745,559 km (0.116 R)
• M34: 44,239,681 km (0.106 R)
• M35: 47,629,120 km (0.079 R)
• M36: 51,736,329 km (0.063 R)
• M37: 51,920,035 km (0.118 R)
• M38: 52,659,348 km (0.102 R)
• M39: 56,073,171 km (0.03 R)
• M40: 57,243,176 km (0.076 R)
• M41: 74,665,494 km (0.06 R)
• M42: 74,900,064 km (0.086 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 417 - 18,410 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit