🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.56 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 413

Radius: 10

Gravity: 4.13 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 1.07 AU - 1.15 AU

Year: 780 Days

Day: 7.2 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 53,022,950 km

• M1: 146,905 km (0.11 R)
• M2: 460,612 km (0.076 R)
• M3: 968,945 km (0.095 R)
• M4: 1,806,544 km (0.104 R)
• M5: 2,522,071 km (0.075 R)
• M6: 3,533,352 km (0.108 R)
• M7: 3,986,334 km (0.113 R)
• M8: 5,247,445 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 816.3

Radius: 14.1

Gravity: 4.11 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 1.39 AU - 2.23 AU

Year: 1624 Days

Day: 8 Hours

Environment

Temp: -199 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,022,950 km

• M1: 175,478 km (0.117 R)
• M2: 629,358 km (0.053 R)
• M3: 1,290,880 km (0.118 R)
• M4: 2,326,396 km (0.112 R)
• M5: 2,973,258 km (0.076 R)
• M6: 3,686,989 km (0.075 R)
• M7: 4,552,114 km (0.106 R)
• M8: 5,022,898 km (0.101 R)
• M9: 5,967,459 km (0.119 R)
• M10: 6,407,127 km (0.111 R)
• M11: 9,885,128 km (0.103 R)
• M12: 10,857,664 km (0.11 R)
• M13: 11,893,180 km (0.043 R)
• M14: 12,553,356 km (0.094 R)
• M15: 13,074,555 km (0.107 R)
• M16: 13,862,487 km (0.094 R)
• M17: 14,637,852 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 690.2

Radius: 11.5

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 1.71 AU - 2.17 AU

Year: 1802 Days

Day: 10.6 Hours

Environment

Temp: -197 °C

Axial Tilt: 82.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 53,022,950 km

• M1: 143,016 km (0.08 R)
• M2: 794,215 km (0.046 R)
• M3: 1,317,060 km (0.11 R)
• M4: 2,030,043 km (0.076 R)
• M5: 3,262,131 km (0.099 R)
• M6: 3,727,680 km (0.098 R)
• M7: 4,105,564 km (0.075 R)
• M8: 5,532,877 km (0.115 R)
• M9: 6,347,288 km (0.035 R)
• M10: 7,659,411 km (0.098 R)
• M11: 8,214,120 km (0.05 R)
• M12: 8,609,058 km (0.118 R)
• M13: 10,958,194 km (0.115 R)
• M14: 11,663,248 km (0.116 R)
• M15: 12,676,924 km (0.106 R)
• M16: 13,495,972 km (0.096 R)
• M17: 14,393,410 km (0.092 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334

Radius: 12.4

Gravity: 2.17 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 1.91 AU - 3.07 AU

Year: 2620 Days

Day: 7.5 Hours

Environment

Temp: -216 °C

Axial Tilt: 31.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 53,022,950 km

• M1: 154,385 km (0.117 R)
• M2: 947,852 km (0.108 R)
• M3: 1,501,963 km (0.062 R)
• M4: 2,392,668 km (0.1 R)
• M5: 2,797,031 km (0.082 R)
• M6: 4,201,007 km (0.118 R)
• M7: 5,838,805 km (0.102 R)
• M8: 6,554,780 km (0.118 R)
• M9: 7,694,566 km (0.071 R)
• M10: 8,617,585 km (0.073 R)
• M11: 9,447,405 km (0.116 R)
• M12: 9,848,028 km (0.074 R)
• M13: 13,855,007 km (0.102 R)
• M14: 14,814,528 km (0.11 R)
• M15: 15,265,116 km (0.076 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 714.6

Radius: 14.4

Gravity: 3.45 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 4.85 AU - 5.31 AU

Year: 7635 Days

Day: 11.5 Hours

Environment

Temp: -225 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 53,022,950 km

• M1: 180,265 km (0.089 R)
• M2: 983,756 km (0.025 R)
• M3: 2,311,287 km (0.069 R)
• M4: 3,006,618 km (0.091 R)
• M5: 3,962,548 km (0.11 R)
• M6: 5,263,451 km (0.059 R)
• M7: 7,016,589 km (0.057 R)
• M8: 9,768,591 km (0.086 R)
• M9: 10,827,744 km (0.068 R)
• M10: 11,333,983 km (0.12 R)
• M11: 12,836,096 km (0.112 R)
• M12: 13,461,265 km (0.079 R)
• M13: 14,467,311 km (0.116 R)
• M14: 15,714,508 km (0.095 R)
• M15: 16,364,511 km (0.078 R)
• M16: 17,718,222 km (0.034 R)
• M17: 18,565,694 km (0.118 R)
• M18: 21,507,387 km (0.072 R)
• M19: 22,635,355 km (0.034 R)
• M20: 25,985,749 km (0.119 R)
• M21: 26,528,938 km (0.071 R)
• M22: 30,247,193 km (0.089 R)
• M23: 33,227,931 km (0.049 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 605.1

Radius: 8.3

Gravity: 8.78 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.57 AU - 6.01 AU

Year: 8114 Days

Day: 10.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,022,950 km

• M1: 108,758 km (0.075 R)
• M2: 381,325 km (0.117 R)
• M3: 1,159,234 km (0.116 R)
• M4: 1,799,513 km (0.028 R)
• M5: 2,174,106 km (0.083 R)
• M6: 2,434,107 km (0.098 R)
• M7: 3,667,392 km (0.115 R)
• M8: 4,571,861 km (0.111 R)
• M9: 4,884,819 km (0.09 R)
• M10: 5,553,971 km (0.099 R)
• M11: 6,179,738 km (0.055 R)
• M12: 6,456,943 km (0.104 R)
• M13: 8,215,915 km (0.102 R)
• M14: 9,799,109 km (0.103 R)
• M15: 11,214,754 km (0.055 R)
• M16: 12,213,170 km (0.078 R)
• M17: 12,706,245 km (0.065 R)
• M18: 13,269,630 km (0.112 R)
• M19: 16,603,868 km (0.117 R)
• M20: 18,463,668 km (0.108 R)
• M21: 20,534,851 km (0.075 R)
• M22: 21,075,797 km (0.114 R)
• M23: 22,025,444 km (0.062 R)
• M24: 23,168,970 km (0.102 R)
• M25: 23,839,917 km (0.092 R)
• M26: 29,681,863 km (0.116 R)
• M27: 31,482,124 km (0.106 R)
• M28: 34,969,549 km (0.114 R)
• M29: 35,852,177 km (0.118 R)
• M30: 37,318,086 km (0.091 R)
• M31: 38,589,220 km (0.055 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 745.4

Radius: 5.3

Gravity: 26.54 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 5.34 AU - 7.74 AU

Year: 11153 Days

Day: 23.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 53,022,950 km

• M1: 66,122 km (0.075 R)
• M2: 417,827 km (0.069 R)
• M3: 1,613,263 km (0.098 R)
• M4: 2,259,526 km (0.08 R)
• M5: 3,583,916 km (0.118 R)
• M6: 3,769,418 km (0.039 R)
• M7: 4,956,177 km (0.112 R)
• M8: 5,254,176 km (0.109 R)
• M9: 6,528,002 km (0.1 R)
• M10: 6,845,748 km (0.083 R)
• M11: 7,257,292 km (0.084 R)
• M12: 7,861,069 km (0.104 R)
• M13: 8,733,224 km (0.075 R)
• M14: 10,291,885 km (0.084 R)
• M15: 10,505,660 km (0.084 R)
• M16: 14,879,453 km (0.118 R)
• M17: 15,569,398 km (0.103 R)
• M18: 17,538,555 km (0.092 R)
• M19: 22,051,624 km (0.12 R)
• M20: 23,961,091 km (0.092 R)
• M21: 25,390,648 km (0.068 R)
• M22: 30,565,538 km (0.096 R)
• M23: 34,698,329 km (0.109 R)
• M24: 35,664,731 km (0.068 R)
• M25: 36,897,866 km (0.058 R)
• M26: 38,800,452 km (0.055 R)
• M27: 39,710,306 km (0.091 R)
• M28: 41,437,563 km (0.045 R)
• M29: 43,491,991 km (0.077 R)
• M30: 48,848,193 km (0.039 R)
• M31: 49,908,692 km (0.113 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 359 - 19,213 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit