🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.78 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 267.3

Radius: 13.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 0.62 AU - 0.94 AU

Year: 459 Days

Day: 6.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 27,437,598 km

• M1: 173,384 km (0.074 R)
• M2: 856,897 km (0.1 R)
• M3: 2,920,599 km (0.101 R)
• M4: 3,625,205 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.65 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 532.1

Radius: 9.4

Gravity: 6.02 G

Time & Orbit

Eccentricity (e): 0.116

Orbit Range: 2.34 AU - 2.96 AU

Year: 2877 Days

Day: 12.6 Hours

Environment

Temp: -210 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 27,437,598 km

• M1: 116,986 km (0.041 R)
• M2: 535,860 km (0.101 R)
• M3: 847,322 km (0.03 R)
• M4: 1,197,531 km (0.062 R)
• M5: 1,644,829 km (0.114 R)
• M6: 2,110,976 km (0.079 R)
• M7: 2,560,218 km (0.056 R)
• M8: 3,764,032 km (0.051 R)
• M9: 4,136,980 km (0.117 R)
• M10: 4,843,680 km (0.093 R)
• M11: 6,091,177 km (0.067 R)
• M12: 6,947,475 km (0.101 R)
• M13: 8,395,732 km (0.059 R)
• M14: 8,795,756 km (0.091 R)
• M15: 14,309,635 km (0.084 R)
• M16: 15,917,662 km (0.066 R)
• M17: 18,411,010 km (0.025 R)

Planet 3 - Gas Giant

Semi-Major Axis: 4.75 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 128.1

Radius: 8.7

Gravity: 1.69 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 4.04 AU - 5.46 AU

Year: 6904 Days

Day: 13.5 Hours

Environment

Temp: -232 °C

Axial Tilt: 1.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 27,437,598 km

• M1: 108,159 km (0.108 R)
• M2: 429,196 km (0.114 R)
• M3: 712,535 km (0.059 R)
• M4: 1,085,632 km (0.115 R)
• M5: 1,381,536 km (0.118 R)
• M6: 1,675,197 km (0.056 R)
• M7: 2,263,865 km (0.098 R)
• M8: 2,917,458 km (0.076 R)
• M9: 3,297,586 km (0.079 R)
• M10: 3,710,775 km (0.074 R)
• M11: 4,011,916 km (0.082 R)
• M12: 6,177,046 km (0.105 R)
• M13: 6,925,334 km (0.047 R)
• M14: 8,059,286 km (0.097 R)
• M15: 9,312,617 km (0.105 R)
• M16: 9,645,323 km (0.093 R)
• M17: 10,852,278 km (0.057 R)
• M18: 12,200,903 km (0.086 R)
• M19: 13,895,548 km (0.06 R)
• M20: 15,278,281 km (0.094 R)
• M21: 16,002,933 km (0.025 R)
• M22: 17,914,943 km (0.118 R)
• M23: 20,342,767 km (0.109 R)
• M24: 21,410,746 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 369.2

Radius: 11.3

Gravity: 2.89 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 4.21 AU - 5.67 AU

Year: 7322 Days

Day: 12.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 27.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 27,437,598 km

• M1: 140,472 km (0.091 R)
• M2: 524,341 km (0.105 R)
• M3: 975,378 km (0.086 R)
• M4: 2,379,055 km (0.062 R)
• M5: 2,883,200 km (0.085 R)
• M6: 3,312,546 km (0.116 R)
• M7: 3,920,661 km (0.077 R)
• M8: 4,424,656 km (0.099 R)
• M9: 5,446,858 km (0.092 R)
• M10: 6,106,884 km (0.061 R)
• M11: 6,853,228 km (0.087 R)
• M12: 7,478,846 km (0.08 R)
• M13: 7,879,769 km (0.065 R)
• M14: 8,371,946 km (0.091 R)
• M15: 8,884,618 km (0.088 R)
• M16: 9,293,169 km (0.084 R)
• M17: 9,843,091 km (0.12 R)
• M18: 11,720,694 km (0.084 R)
• M19: 21,202,955 km (0.117 R)
• M20: 22,909,867 km (0.119 R)
• M21: 23,992,806 km (0.086 R)
• M22: 24,626,652 km (0.11 R)
• M23: 29,833,406 km (0.087 R)

Planet 5 - Ice Giant

Semi-Major Axis: 7.45 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 404

Radius: 3.3

Gravity: 37.1 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 7.39 AU - 7.51 AU

Year: 13560 Days

Day: 24.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 32.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 27,437,598 km

• M1: 43,383 km (0.111 R)
• M2: 210,484 km (0.103 R)
• M3: 352,602 km (0.093 R)
• M4: 886,068 km (0.04 R)
• M5: 1,053,169 km (0.084 R)
• M6: 1,168,210 km (0.12 R)
• M7: 1,683,874 km (0.089 R)
• M8: 2,205,372 km (0.046 R)
• M9: 2,336,719 km (0.078 R)
• M10: 2,615,120 km (0.103 R)
• M11: 3,261,533 km (0.09 R)
• M12: 6,606,691 km (0.108 R)
• M13: 11,486,573 km (0.054 R)
• M14: 12,462,251 km (0.102 R)
• M15: 13,306,132 km (0.075 R)
• M16: 13,868,321 km (0.116 R)
• M17: 15,106,842 km (0.078 R)
• M18: 19,658,507 km (0.116 R)
• M19: 19,899,509 km (0.101 R)
• M20: 21,726,248 km (0.054 R)
• M21: 23,301,813 km (0.096 R)
• M22: 24,764,731 km (0.111 R)
• M23: 28,482,088 km (0.092 R)
• M24: 33,004,731 km (0.079 R)
• M25: 35,911,567 km (0.051 R)
• M26: 36,633,826 km (0.063 R)
• M27: 37,488,628 km (0.057 R)
• M28: 37,611,747 km (0.044 R)
• M29: 38,231,681 km (0.062 R)
• M30: 42,095,195 km (0.108 R)
• M31: 48,365,889 km (0.097 R)

Planet 6 - Ice Giant

Semi-Major Axis: 7.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 57.5

Radius: 3.8

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 7.16 AU - 8.75 AU

Year: 14948 Days

Day: 22.9 Hours

Environment

Temp: -225 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 27,437,598 km

• M1: 54,154 km (0.095 R)
• M2: 226,342 km (0.103 R)
• M3: 598,391 km (0.102 R)
• M4: 887,115 km (0.103 R)
• M5: 2,286,304 km (0.042 R)
• M6: 2,576,674 km (0.119 R)
• M7: 3,172,073 km (0.054 R)
• M8: 3,309,254 km (0.055 R)
• M9: 4,629,157 km (0.068 R)
• M10: 7,160,352 km (0.103 R)
• M11: 7,465,682 km (0.1 R)
• M12: 11,788,462 km (0.095 R)
• M13: 12,454,621 km (0.051 R)
• M14: 16,456,215 km (0.089 R)
• M15: 23,456,946 km (0.106 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: 306 - 16,620 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit