🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 15.5

Radius: 11.2

Gravity: 0.12 G

Time & Orbit

Eccentricity (e): 0.074

Orbit Range: 0.75 AU - 0.87 AU

Year: 486 Days

Day: 5.3 Hours

Environment

Temp: -164 °C

Axial Tilt: 19.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 78,690,841 km

• M1: 139,276 km (0.099 R)
• M2: 525,089 km (0.065 R)
• M3: 1,322,146 km (0.112 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.38 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 696.4

Radius: 12.5

Gravity: 4.46 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.06 AU - 1.7 AU

Year: 1081 Days

Day: 12.9 Hours

Environment

Temp: -182 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,690,841 km

• M1: 156,479 km (0.116 R)
• M2: 650,152 km (0.034 R)
• M3: 1,157,738 km (0.071 R)
• M4: 1,715,588 km (0.1 R)
• M5: 2,141,793 km (0.112 R)
• M6: 2,626,939 km (0.098 R)
• M7: 3,269,312 km (0.083 R)
• M8: 3,837,933 km (0.06 R)
• M9: 4,777,408 km (0.114 R)
• M10: 5,371,162 km (0.06 R)
• M11: 5,992,292 km (0.111 R)
• M12: 6,500,476 km (0.054 R)
• M13: 7,304,565 km (0.072 R)
• M14: 7,782,231 km (0.032 R)
• M15: 8,442,406 km (0.096 R)
• M16: 8,940,567 km (0.084 R)
• M17: 9,995,980 km (0.096 R)
• M18: 10,522,565 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 977

Radius: 11

Gravity: 8.07 G

Time & Orbit

Eccentricity (e): 0.04

Orbit Range: 1.87 AU - 2.03 AU

Year: 1816 Days

Day: 5.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 78,690,841 km

• M1: 136,882 km (0.032 R)
• M2: 489,933 km (0.073 R)
• M3: 1,363,585 km (0.12 R)
• M4: 2,809,747 km (0.117 R)
• M5: 3,520,636 km (0.075 R)
• M6: 3,975,713 km (0.12 R)
• M7: 4,449,340 km (0.036 R)
• M8: 4,982,507 km (0.046 R)
• M9: 5,653,902 km (0.118 R)
• M10: 6,411,017 km (0.068 R)
• M11: 6,759,580 km (0.066 R)
• M12: 7,262,977 km (0.078 R)
• M13: 8,958,220 km (0.092 R)
• M14: 10,058,213 km (0.065 R)
• M15: 10,827,744 km (0.069 R)
• M16: 13,157,282 km (0.076 R)
• M17: 13,943,569 km (0.049 R)
• M18: 15,899,860 km (0.108 R)
• M19: 17,250,280 km (0.054 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.3

Radius: 10.3

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 2.05 AU - 3.13 AU

Year: 2780 Days

Day: 13.9 Hours

Environment

Temp: -206 °C

Axial Tilt: 49.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 78,690,841 km

• M1: 128,804 km (0.111 R)
• M2: 548,276 km (0.093 R)
• M3: 1,834,519 km (0.117 R)
• M4: 6,671,766 km (0.117 R)
• M5: 10,122,241 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 942.6

Radius: 9.1

Gravity: 11.38 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 4.26 AU - 4.8 AU

Year: 6429 Days

Day: 11 Hours

Environment

Temp: -223 °C

Axial Tilt: 126.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,690,841 km

• M1: 113,694 km (0.074 R)
• M2: 833,559 km (0.119 R)
• M3: 1,374,655 km (0.115 R)
• M4: 1,697,337 km (0.086 R)
• M5: 2,373,221 km (0.111 R)
• M6: 3,026,365 km (0.115 R)
• M7: 4,330,709 km (0.084 R)
• M8: 4,800,895 km (0.084 R)
• M9: 6,488,808 km (0.116 R)
• M10: 7,180,399 km (0.1 R)
• M11: 7,800,183 km (0.104 R)
• M12: 8,882,972 km (0.113 R)
• M13: 9,370,063 km (0.042 R)
• M14: 11,812,098 km (0.052 R)
• M15: 14,347,333 km (0.042 R)
• M16: 14,833,227 km (0.107 R)
• M17: 16,422,705 km (0.055 R)
• M18: 17,156,931 km (0.03 R)
• M19: 19,197,296 km (0.089 R)
• M20: 21,868,965 km (0.059 R)
• M21: 22,757,426 km (0.083 R)
• M22: 24,606,307 km (0.1 R)
• M23: 32,588,400 km (0.092 R)
• M24: 33,216,861 km (0.077 R)
• M25: 33,853,549 km (0.028 R)
• M26: 34,498,167 km (0.104 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.96 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 981.9

Radius: 7.6

Gravity: 17 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 6.77 AU - 7.15 AU

Year: 12245 Days

Day: 22.7 Hours

Environment

Temp: -240 °C

Axial Tilt: 10.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,690,841 km

• M1: 95,443 km (0.118 R)
• M2: 387,309 km (0.081 R)
• M3: 650,302 km (0.063 R)
• M4: 1,283,400 km (0.057 R)
• M5: 1,778,868 km (0.117 R)
• M6: 2,254,141 km (0.102 R)
• M7: 2,500,678 km (0.11 R)
• M8: 3,988,279 km (0.046 R)
• M9: 4,477,015 km (0.111 R)
• M10: 6,630,477 km (0.107 R)
• M11: 9,446,507 km (0.112 R)
• M12: 10,482,772 km (0.104 R)
• M13: 11,836,184 km (0.072 R)
• M14: 12,082,870 km (0.083 R)
• M15: 13,170,148 km (0.101 R)
• M16: 14,601,500 km (0.066 R)
• M17: 15,685,486 km (0.116 R)
• M18: 17,931,848 km (0.087 R)
• M19: 19,859,267 km (0.108 R)
• M20: 20,120,465 km (0.109 R)
• M21: 20,917,971 km (0.12 R)
• M22: 25,223,697 km (0.083 R)
• M23: 25,839,143 km (0.096 R)
• M24: 26,780,861 km (0.101 R)
• M25: 33,161,360 km (0.078 R)
• M26: 37,226,832 km (0.085 R)
• M27: 40,206,821 km (0.097 R)
• M28: 45,571,102 km (0.117 R)
• M29: 48,502,472 km (0.1 R)
• M30: 49,294,294 km (0.119 R)
• M31: 50,255,759 km (0.096 R)

Asteroid Belt

Center: 8.73 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 7 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 643.5

Radius: 3.8

Gravity: 44.56 G

Time & Orbit

Eccentricity (e): 0.207

Orbit Range: 8.33 AU - 12.67 AU

Year: 22689 Days

Day: 23.1 Hours

Environment

Temp: -228 °C

Axial Tilt: 7.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 78,690,841 km

• M1: 47,722 km (0.111 R)
• M2: 242,199 km (0.119 R)
• M3: 511,924 km (0.094 R)
• M4: 666,608 km (0.048 R)
• M5: 1,374,804 km (0.05 R)
• M6: 2,002,667 km (0.078 R)
• M7: 2,234,543 km (0.094 R)
• M8: 2,603,452 km (0.109 R)
• M9: 3,461,396 km (0.11 R)
• M10: 3,671,581 km (0.084 R)
• M11: 4,457,418 km (0.061 R)
• M12: 5,193,140 km (0.093 R)
• M13: 6,006,355 km (0.079 R)
• M14: 7,090,191 km (0.098 R)
• M15: 7,932,577 km (0.096 R)
• M16: 10,234,439 km (0.092 R)
• M17: 11,569,899 km (0.114 R)
• M18: 12,662,263 km (0.056 R)
• M19: 13,525,443 km (0.089 R)
• M20: 14,426,919 km (0.11 R)
• M21: 17,809,327 km (0.105 R)
• M22: 19,261,025 km (0.096 R)
• M23: 20,888,051 km (0.05 R)
• M24: 25,295,504 km (0.073 R)
• M25: 28,797,441 km (0.088 R)
• M26: 29,907,906 km (0.089 R)
• M27: 33,275,503 km (0.091 R)
• M28: 41,680,360 km (0.108 R)
• M29: 45,701,551 km (0.059 R)
• M30: 46,033,958 km (0.084 R)
• M31: 49,797,840 km (0.03 R)
• M32: 51,754,431 km (0.085 R)
• M33: 54,318,089 km (0.115 R)
• M34: 58,515,357 km (0.073 R)
• M35: 59,696,582 km (0.12 R)
• M36: 62,514,108 km (0.109 R)
• M37: 63,129,254 km (0.114 R)
• M38: 76,996,229 km (0.178 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.76 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 547.1

Radius: 3.5

Gravity: 44.66 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 10.27 AU - 11.25 AU

Year: 23537 Days

Day: 24.7 Hours

Environment

Temp: -233 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (43)

Outer Limit: 78,690,841 km

• M1: 48,171 km (0.104 R)
• M2: 172,786 km (0.048 R)
• M3: 314,305 km (0.092 R)
• M4: 502,200 km (0.08 R)
• M5: 617,690 km (0.092 R)
• M6: 782,397 km (0.118 R)
• M7: 1,038,359 km (0.116 R)
• M8: 1,574,368 km (0.109 R)
• M9: 2,145,832 km (0.1 R)
• M10: 2,296,926 km (0.08 R)
• M11: 2,669,275 km (0.085 R)
• M12: 5,001,805 km (0.056 R)
• M13: 6,472,651 km (0.068 R)
• M14: 7,162,596 km (0.083 R)
• M15: 8,208,884 km (0.105 R)
• M16: 9,239,763 km (0.104 R)
• M17: 10,723,624 km (0.07 R)
• M18: 11,818,681 km (0.116 R)
• M19: 12,986,292 km (0.112 R)
• M20: 13,488,642 km (0.088 R)
• M21: 15,151,721 km (0.089 R)
• M22: 16,196,064 km (0.115 R)
• M23: 17,807,383 km (0.108 R)
• M24: 21,344,325 km (0.1 R)
• M25: 27,251,496 km (0.04 R)
• M26: 28,311,397 km (0.097 R)
• M27: 38,819,750 km (0.108 R)
• M28: 40,462,185 km (0.097 R)
• M29: 41,070,749 km (0.099 R)
• M30: 45,502,436 km (0.109 R)
• M31: 48,684,533 km (0.082 R)
• M32: 51,299,055 km (0.097 R)
• M33: 53,457,004 km (0.115 R)
• M34: 59,701,518 km (0.101 R)
• M35: 61,085,747 km (0.106 R)
• M36: 62,087,604 km (0.057 R)
• M37: 65,994,203 km (0.101 R)
• M38: 70,718,504 km (0.093 R)
• M39: 71,158,920 km (0.081 R)
• M40: 71,600,982 km (0.105 R)
• M41: 72,490,790 km (0.098 R)
• M42: 74,292,547 km (0.101 R)
• M43: 77,750,801 km (0.113 R)

Kuiper Belt

Range: 30 - 53 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 367 - 19,779 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit