🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.37 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.74 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 826

Radius: 13.6

Gravity: 4.47 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.67 AU - 0.81 AU

Year: 405 Days

Day: 11.6 Hours

Environment

Temp: -140 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 24,663,103 km

• M1: 169,195 km (0.07 R)
• M2: 656,884 km (0.065 R)
• M3: 1,136,345 km (0.112 R)
• M4: 1,609,972 km (0.114 R)
• M5: 2,261,172 km (0.119 R)
• M6: 2,724,925 km (0.085 R)
• M7: 3,206,930 km (0.037 R)
• M8: 3,900,016 km (0.04 R)
• M9: 4,345,519 km (0.102 R)
• M10: 5,421,726 km (0.074 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 26.8

Radius: 13.3

Gravity: 0.15 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 1.13 AU - 1.75 AU

Year: 1099 Days

Day: 5.8 Hours

Environment

Temp: -170 °C

Axial Tilt: 44.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 24,663,103 km

• M1: 171,290 km (0.102 R)
• M2: 1,109,418 km (0.067 R)
• M3: 2,040,216 km (0.114 R)
• M4: 2,697,250 km (0.096 R)
• M5: 3,700,752 km (0.1 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 922.6

Radius: 11.7

Gravity: 6.74 G

Time & Orbit

Eccentricity (e): 0.234

Orbit Range: 2.92 AU - 4.7 AU

Year: 4728 Days

Day: 13.6 Hours

Environment

Temp: -204 °C

Axial Tilt: 17.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 24,663,103 km

• M1: 145,559 km (0.107 R)
• M2: 509,830 km (0.115 R)
• M3: 901,626 km (0.109 R)
• M4: 1,358,648 km (0.119 R)
• M5: 1,818,661 km (0.119 R)
• M6: 2,759,931 km (0.029 R)
• M7: 3,238,345 km (0.087 R)
• M8: 4,338,338 km (0.119 R)
• M9: 5,237,870 km (0.067 R)
• M10: 5,672,452 km (0.112 R)
• M11: 7,440,699 km (0.119 R)
• M12: 8,295,950 km (0.112 R)
• M13: 8,969,440 km (0.045 R)
• M14: 10,290,987 km (0.041 R)
• M15: 12,132,836 km (0.11 R)
• M16: 13,000,953 km (0.059 R)
• M17: 15,439,996 km (0.065 R)
• M18: 16,034,349 km (0.07 R)
• M19: 17,779,857 km (0.115 R)
• M20: 22,768,497 km (0.066 R)
• M21: 23,228,660 km (0.032 R)
• M22: 24,009,261 km (0.115 R)
• M23: 25,376,436 km (0.112 R)
• M24: 26,372,309 km (0.116 R)
• M25: 26,879,895 km (0.03 R)
• M26: 27,653,466 km (0.108 R)
• M27: 29,971,933 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.66 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.2

Radius: 13.2

Gravity: 2.85 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 4.75 AU - 6.57 AU

Year: 8562 Days

Day: 5.1 Hours

Environment

Temp: -215 °C

Axial Tilt: 15.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 24,663,103 km

• M1: 172,935 km (0.108 R)
• M2: 598,840 km (0.082 R)
• M3: 1,022,352 km (0.09 R)
• M4: 1,541,456 km (0.117 R)
• M5: 1,953,599 km (0.046 R)
• M6: 2,639,505 km (0.097 R)
• M7: 3,347,701 km (0.1 R)
• M8: 4,027,773 km (0.109 R)
• M9: 4,912,196 km (0.081 R)
• M10: 5,792,729 km (0.089 R)
• M11: 6,563,906 km (0.085 R)
• M12: 8,352,348 km (0.077 R)
• M13: 8,942,961 km (0.074 R)
• M14: 10,446,120 km (0.092 R)
• M15: 10,983,027 km (0.057 R)
• M16: 12,111,892 km (0.091 R)
• M17: 15,584,059 km (0.115 R)
• M18: 18,659,642 km (0.086 R)
• M19: 20,718,408 km (0.096 R)
• M20: 22,519,566 km (0.12 R)
• M21: 23,499,582 km (0.094 R)
• M22: 26,882,139 km (0.12 R)
• M23: 28,171,673 km (0.119 R)
• M24: 33,011,164 km (0.066 R)
• M25: 34,812,023 km (0.075 R)
• M26: 37,691,782 km (0.058 R)
• M27: 38,263,246 km (0.115 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 219.3

Radius: 3.2

Gravity: 21.42 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 6.38 AU - 6.46 AU

Year: 10343 Days

Day: 23.7 Hours

Environment

Temp: -220 °C

Axial Tilt: 12 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 24,663,103 km

• M1: 39,943 km (0.11 R)
• M2: 526,435 km (0.106 R)
• M3: 713,881 km (0.034 R)
• M4: 962,363 km (0.101 R)
• M5: 1,287,888 km (0.064 R)
• M6: 2,057,420 km (0.117 R)
• M7: 2,816,030 km (0.079 R)
• M8: 3,051,647 km (0.084 R)
• M9: 3,364,307 km (0.103 R)
• M10: 3,606,954 km (0.03 R)
• M11: 4,328,016 km (0.115 R)
• M12: 8,779,450 km (0.09 R)
• M13: 8,944,606 km (0.112 R)
• M14: 9,538,959 km (0.089 R)
• M15: 10,204,669 km (0.062 R)
• M16: 13,503,302 km (0.1 R)
• M17: 19,054,131 km (0.112 R)
• M18: 24,785,226 km (0.078 R)
• M19: 26,037,659 km (0.092 R)
• M20: 30,800,107 km (0.076 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.16 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 67.6

Radius: 3.6

Gravity: 5.22 G

Time & Orbit

Eccentricity (e): 0.219

Orbit Range: 5.59 AU - 8.73 AU

Year: 12182 Days

Day: 21.6 Hours

Environment

Temp: -216 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 24,663,103 km

• M1: 44,879 km (0.087 R)
• M2: 212,279 km (0.109 R)
• M3: 1,154,148 km (0.1 R)
• M4: 1,900,043 km (0.074 R)
• M5: 2,389,228 km (0.093 R)
• M6: 2,531,794 km (0.085 R)
• M7: 2,851,335 km (0.103 R)
• M8: 3,757,151 km (0.105 R)
• M9: 4,521,446 km (0.116 R)
• M10: 5,093,957 km (0.105 R)
• M11: 6,471,903 km (0.111 R)
• M12: 6,843,803 km (0.034 R)
• M13: 7,870,344 km (0.092 R)
• M14: 9,033,318 km (0.049 R)
• M15: 9,936,739 km (0.073 R)
• M16: 12,059,234 km (0.102 R)
• M17: 14,886,484 km (0.1 R)
• M18: 17,585,678 km (0.053 R)
• M19: 19,811,844 km (0.077 R)
• M20: 20,858,880 km (0.108 R)
• M21: 23,062,606 km (0.092 R)
• M22: 23,564,657 km (0.105 R)

Planet 7 - Ice Giant

Semi-Major Axis: 9.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 329.4

Radius: 6.8

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 7.53 AU - 11.17 AU

Year: 18178 Days

Day: 16.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 20.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 24,663,103 km

• M1: 84,523 km (0.092 R)
• M2: 1,638,246 km (0.07 R)
• M3: 3,197,804 km (0.065 R)
• M4: 3,905,701 km (0.092 R)
• M5: 5,006,143 km (0.052 R)
• M6: 6,736,093 km (0.083 R)
• M7: 9,075,804 km (0.052 R)
• M8: 9,735,829 km (0.109 R)
• M9: 10,591,679 km (0.071 R)
• M10: 12,823,829 km (0.101 R)
• M11: 14,452,501 km (0.115 R)
• M12: 15,564,312 km (0.092 R)
• M13: 18,672,058 km (0.071 R)
• M14: 19,488,414 km (0.039 R)
• M15: 26,486,303 km (0.076 R)
• M16: 27,308,194 km (0.092 R)
• M17: 31,104,240 km (0.079 R)
• M18: 33,542,835 km (0.082 R)
• M19: 34,141,675 km (0.074 R)
• M20: 34,992,139 km (0.079 R)
• M21: 38,535,215 km (0.085 R)
• M22: 38,928,358 km (0.12 R)
• M23: 46,029,769 km (0.1 R)
• M24: 51,373,106 km (0.086 R)
• M25: 52,328,737 km (0.11 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.83 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 24.3

Radius: 6.9

Gravity: 0.51 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 8.92 AU - 10.74 AU

Year: 19596 Days

Day: 16.5 Hours

Environment

Temp: -228 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 24,663,103 km

• M1: 93,199 km (0.064 R)
• M2: 384,915 km (0.087 R)
• M3: 832,213 km (0.118 R)
• M4: 1,543,700 km (0.052 R)
• M5: 2,572,934 km (0.043 R)
• M6: 11,002,923 km (0.09 R)
• M7: 11,349,990 km (0.12 R)
• M8: 13,886,273 km (0.071 R)
• M9: 18,606,534 km (0.106 R)
• M10: 21,358,088 km (0.112 R)
• M11: 21,966,353 km (0.116 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 383 - 17,252 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit