🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.79

Radius: 1.51

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 0.59 AU - 0.73 AU

Year: 346 Days

Day: 32.1 Hours

Environment

Temp: -139 °C

Axial Tilt: 29.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 62,050,259 km

• M1: 669,002 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.3

Radius: 14.4

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 0.84 AU - 1.04 AU

Year: 588 Days

Day: 10.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 135.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 62,050,259 km

• M1: 179,069 km (0.047 R)
• M2: 651,648 km (0.101 R)
• M3: 1,359,994 km (0.098 R)
• M4: 2,041,263 km (0.113 R)
• M5: 3,247,471 km (0.075 R)
• M6: 4,015,656 km (0.071 R)
• M7: 4,886,465 km (0.113 R)
• M8: 5,453,441 km (0.037 R)
• M9: 7,004,172 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.8

Radius: 9.9

Gravity: 7.45 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 1.7 AU - 2.3 AU

Year: 1826 Days

Day: 15 Hours

Environment

Temp: -181 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 62,050,259 km

• M1: 123,119 km (0.102 R)
• M2: 441,314 km (0.116 R)
• M3: 902,374 km (0.119 R)
• M4: 2,197,144 km (0.043 R)
• M5: 2,943,189 km (0.044 R)
• M6: 3,707,035 km (0.029 R)
• M7: 4,516,809 km (0.056 R)
• M8: 4,889,008 km (0.099 R)
• M9: 6,510,350 km (0.084 R)
• M10: 6,905,737 km (0.116 R)
• M11: 7,401,055 km (0.076 R)
• M12: 8,524,984 km (0.08 R)
• M13: 11,294,789 km (0.095 R)
• M14: 12,218,855 km (0.085 R)
• M15: 13,317,801 km (0.03 R)
• M16: 13,913,051 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 611

Radius: 8.6

Gravity: 8.26 G

Time & Orbit

Eccentricity (e): 0.013

Orbit Range: 2.08 AU - 2.14 AU

Year: 1979 Days

Day: 12.5 Hours

Environment

Temp: -200 °C

Axial Tilt: 9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 62,050,259 km

• M1: 107,860 km (0.066 R)
• M2: 416,630 km (0.084 R)
• M3: 697,276 km (0.089 R)
• M4: 1,235,379 km (0.088 R)
• M5: 1,534,575 km (0.042 R)
• M6: 2,147,029 km (0.089 R)
• M7: 2,753,050 km (0.096 R)
• M8: 3,034,742 km (0.074 R)
• M9: 3,726,782 km (0.069 R)
• M10: 4,072,802 km (0.036 R)
• M11: 4,621,826 km (0.074 R)
• M12: 5,130,908 km (0.105 R)
• M13: 6,260,970 km (0.116 R)
• M14: 6,911,422 km (0.112 R)
• M15: 7,577,581 km (0.038 R)
• M16: 7,896,823 km (0.106 R)
• M17: 9,069,670 km (0.055 R)
• M18: 9,563,193 km (0.026 R)
• M19: 9,867,775 km (0.102 R)
• M20: 10,284,106 km (0.118 R)
• M21: 11,834,089 km (0.045 R)
• M22: 12,991,378 km (0.11 R)
• M23: 13,961,520 km (0.113 R)
• M24: 14,398,047 km (0.064 R)

Asteroid Belt

Center: 3.74 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 591.5

Radius: 12.9

Gravity: 3.55 G

Time & Orbit

Eccentricity (e): 0.063

Orbit Range: 5.02 AU - 5.7 AU

Year: 8012 Days

Day: 6.2 Hours

Environment

Temp: -208 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 62,050,259 km

• M1: 162,912 km (0.046 R)
• M2: 625,170 km (0.106 R)
• M3: 1,039,855 km (0.054 R)
• M4: 1,445,415 km (0.081 R)
• M5: 2,312,185 km (0.093 R)
• M6: 3,004,075 km (0.08 R)
• M7: 4,052,606 km (0.092 R)
• M8: 4,497,361 km (0.027 R)
• M9: 5,301,449 km (0.088 R)
• M10: 7,891,288 km (0.118 R)
• M11: 9,326,829 km (0.104 R)
• M12: 10,781,519 km (0.106 R)
• M13: 11,744,929 km (0.098 R)
• M14: 12,490,973 km (0.032 R)
• M15: 12,931,390 km (0.119 R)
• M16: 14,675,850 km (0.092 R)
• M17: 16,310,506 km (0.115 R)
• M18: 17,443,112 km (0.077 R)
• M19: 18,841,852 km (0.073 R)
• M20: 19,568,598 km (0.109 R)
• M21: 21,624,671 km (0.105 R)
• M22: 23,653,518 km (0.09 R)
• M23: 26,702,771 km (0.043 R)
• M24: 30,597,552 km (0.104 R)
• M25: 31,907,580 km (0.103 R)
• M26: 35,840,658 km (0.071 R)
• M27: 38,674,191 km (0.077 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 398.6

Radius: 5.4

Gravity: 13.67 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 6.89 AU - 7.09 AU

Year: 11932 Days

Day: 21.8 Hours

Environment

Temp: -217 °C

Axial Tilt: 10.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 62,050,259 km

• M1: 67,169 km (0.118 R)
• M2: 465,848 km (0.091 R)
• M3: 720,164 km (0.03 R)
• M4: 1,293,124 km (0.098 R)
• M5: 1,772,286 km (0.066 R)
• M6: 1,945,371 km (0.089 R)
• M7: 2,437,697 km (0.105 R)
• M8: 3,280,083 km (0.109 R)
• M9: 3,666,195 km (0.1 R)
• M10: 4,976,672 km (0.106 R)
• M11: 5,585,685 km (0.068 R)
• M12: 7,185,036 km (0.085 R)
• M13: 8,524,236 km (0.117 R)
• M14: 8,792,615 km (0.102 R)
• M15: 8,974,675 km (0.076 R)
• M16: 9,159,429 km (0.082 R)
• M17: 9,488,544 km (0.117 R)
• M18: 9,972,344 km (0.056 R)
• M19: 10,170,561 km (0.039 R)
• M20: 11,361,061 km (0.054 R)
• M21: 11,631,683 km (0.108 R)
• M22: 12,129,545 km (0.116 R)
• M23: 13,049,721 km (0.084 R)
• M24: 13,227,294 km (0.091 R)
• M25: 14,515,781 km (0.115 R)
• M26: 15,223,079 km (0.093 R)
• M27: 17,482,755 km (0.108 R)
• M28: 18,880,149 km (0.119 R)
• M29: 21,564,084 km (0.102 R)
• M30: 24,852,545 km (0.081 R)
• M31: 25,956,727 km (0.065 R)
• M32: 26,805,994 km (0.106 R)
• M33: 28,959,754 km (0.045 R)
• M34: 29,873,199 km (0.029 R)
• M35: 30,596,804 km (0.081 R)
• M36: 35,529,793 km (0.04 R)
• M37: 38,608,368 km (0.101 R)
• M38: 42,117,635 km (0.094 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 352.2

Radius: 4.9

Gravity: 14.67 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 9.55 AU - 10.53 AU

Year: 20541 Days

Day: 18.8 Hours

Environment

Temp: -232 °C

Axial Tilt: 33.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 62,050,259 km

• M1: 61,485 km (0.044 R)
• M2: 270,174 km (0.097 R)
• M3: 549,473 km (0.114 R)
• M4: 748,438 km (0.107 R)
• M5: 907,161 km (0.06 R)
• M6: 1,076,805 km (0.101 R)
• M7: 1,240,914 km (0.114 R)
• M8: 1,495,979 km (0.091 R)
• M9: 2,308,894 km (0.1 R)
• M10: 3,075,283 km (0.107 R)
• M11: 4,491,526 km (0.05 R)
• M12: 5,198,676 km (0.109 R)
• M13: 5,450,150 km (0.078 R)
• M14: 9,500,213 km (0.037 R)
• M15: 10,206,614 km (0.11 R)
• M16: 11,241,532 km (0.032 R)
• M17: 12,281,387 km (0.07 R)
• M18: 15,267,809 km (0.104 R)
• M19: 19,638,460 km (0.116 R)
• M20: 23,294,932 km (0.072 R)
• M21: 24,775,352 km (0.088 R)
• M22: 26,951,852 km (0.094 R)
• M23: 29,704,901 km (0.096 R)
• M24: 30,856,805 km (0.112 R)
• M25: 31,918,650 km (0.066 R)
• M26: 32,639,862 km (0.082 R)
• M27: 33,495,113 km (0.085 R)
• M28: 34,490,537 km (0.041 R)
• M29: 37,995,914 km (0.09 R)
• M30: 38,941,971 km (0.066 R)
• M31: 42,449,144 km (0.09 R)
• M32: 46,620,531 km (0.119 R)
• M33: 56,636,856 km (0.088 R)
• M34: 57,163,441 km (0.089 R)
• M35: 58,942,309 km (0.032 R)
• M36: 60,757,530 km (0.091 R)
• M37: 62,050,205 km (0.106 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 218 - 11,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit