🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.43 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.86 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 824.6

Radius: 13.2

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 0.76 AU - 0.96 AU

Year: 523 Days

Day: 14.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 44.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,338,362 km

• M1: 164,857 km (0.098 R)
• M2: 590,313 km (0.079 R)
• M3: 1,014,423 km (0.086 R)
• M4: 1,495,829 km (0.082 R)
• M5: 1,999,525 km (0.101 R)
• M6: 3,092,338 km (0.096 R)
• M7: 3,745,482 km (0.064 R)
• M8: 4,163,159 km (0.11 R)
• M9: 4,596,544 km (0.104 R)
• M10: 5,805,594 km (0.069 R)
• M11: 6,987,417 km (0.119 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 898.8

Radius: 12.9

Gravity: 5.4 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 1.3 AU - 2.08 AU

Year: 1441 Days

Day: 13.3 Hours

Environment

Temp: -175 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 68,338,362 km

• M1: 160,519 km (0.108 R)
• M2: 569,220 km (0.063 R)
• M3: 993,629 km (0.107 R)
• M4: 1,631,963 km (0.072 R)
• M5: 2,284,060 km (0.088 R)
• M6: 2,886,491 km (0.068 R)
• M7: 3,527,219 km (0.06 R)
• M8: 3,935,022 km (0.117 R)
• M9: 4,685,405 km (0.076 R)
• M10: 5,418,435 km (0.096 R)
• M11: 6,596,817 km (0.066 R)
• M12: 7,008,211 km (0.108 R)
• M13: 8,141,116 km (0.093 R)
• M14: 8,645,411 km (0.065 R)
• M15: 9,424,815 km (0.069 R)
• M16: 9,881,388 km (0.119 R)
• M17: 12,780,894 km (0.065 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 770.4

Radius: 14.6

Gravity: 3.61 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 1.5 AU - 2.04 AU

Year: 1545 Days

Day: 13.9 Hours

Environment

Temp: -192 °C

Axial Tilt: 6.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,338,362 km

• M1: 183,257 km (0.091 R)
• M2: 1,151,006 km (0.116 R)
• M3: 3,826,863 km (0.113 R)
• M4: 4,520,100 km (0.109 R)
• M5: 7,141,204 km (0.069 R)
• M6: 8,022,934 km (0.119 R)
• M7: 8,914,238 km (0.109 R)
• M8: 9,416,139 km (0.063 R)
• M9: 10,238,179 km (0.078 R)
• M10: 10,754,142 km (0.059 R)
• M11: 13,477,123 km (0.061 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 459.1

Radius: 9.4

Gravity: 5.2 G

Time & Orbit

Eccentricity (e): 0.071

Orbit Range: 2.93 AU - 3.37 AU

Year: 3668 Days

Day: 8.8 Hours

Environment

Temp: -207 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,338,362 km

• M1: 116,836 km (0.074 R)
• M2: 446,849 km (0.113 R)
• M3: 1,105,977 km (0.059 R)
• M4: 1,925,325 km (0.107 R)
• M5: 2,378,905 km (0.119 R)
• M6: 3,002,728 km (0.08 R)
• M7: 3,464,088 km (0.051 R)
• M8: 3,790,960 km (0.067 R)
• M9: 5,137,789 km (0.11 R)
• M10: 5,590,173 km (0.117 R)
• M11: 6,838,119 km (0.088 R)
• M12: 8,466,641 km (0.068 R)
• M13: 9,170,948 km (0.116 R)
• M14: 9,574,563 km (0.084 R)
• M15: 14,535,378 km (0.118 R)
• M16: 15,288,005 km (0.11 R)
• M17: 16,013,554 km (0.084 R)
• M18: 16,491,968 km (0.109 R)
• M19: 17,310,568 km (0.078 R)
• M20: 18,559,860 km (0.117 R)
• M21: 20,920,664 km (0.062 R)

Planet 5 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 384.4

Radius: 3.7

Gravity: 28.08 G

Time & Orbit

Eccentricity (e): 0.126

Orbit Range: 5.22 AU - 6.72 AU

Year: 9569 Days

Day: 21.8 Hours

Environment

Temp: -216 °C

Axial Tilt: 17.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (37)

Outer Limit: 68,338,362 km

• M1: 46,076 km (0.067 R)
• M2: 170,392 km (0.104 R)
• M3: 371,601 km (0.086 R)
• M4: 550,071 km (0.079 R)
• M5: 1,267,543 km (0.099 R)
• M6: 1,539,960 km (0.089 R)
• M7: 1,704,219 km (0.063 R)
• M8: 1,820,307 km (0.101 R)
• M9: 2,052,034 km (0.094 R)
• M10: 2,355,867 km (0.083 R)
• M11: 3,010,508 km (0.088 R)
• M12: 3,447,932 km (0.072 R)
• M13: 3,730,073 km (0.113 R)
• M14: 3,976,611 km (0.098 R)
• M15: 4,839,342 km (0.109 R)
• M16: 4,955,280 km (0.107 R)
• M17: 5,563,246 km (0.058 R)
• M18: 5,754,880 km (0.052 R)
• M19: 6,889,132 km (0.096 R)
• M20: 7,260,284 km (0.066 R)
• M21: 7,566,660 km (0.041 R)
• M22: 8,622,073 km (0.114 R)
• M23: 10,335,717 km (0.111 R)
• M24: 13,255,269 km (0.069 R)
• M25: 13,654,994 km (0.098 R)
• M26: 14,003,857 km (0.037 R)
• M27: 14,358,703 km (0.081 R)
• M28: 16,094,337 km (0.096 R)
• M29: 23,018,475 km (0.12 R)
• M30: 26,267,142 km (0.073 R)
• M31: 26,716,085 km (0.098 R)
• M32: 28,563,320 km (0.054 R)
• M33: 28,752,561 km (0.08 R)
• M34: 30,691,649 km (0.081 R)
• M35: 31,490,950 km (0.102 R)
• M36: 31,693,057 km (0.065 R)
• M37: 37,934,130 km (0.115 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 308.8

Radius: 4.8

Gravity: 13.4 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 6.04 AU - 6.08 AU

Year: 9786 Days

Day: 17.1 Hours

Environment

Temp: -222 °C

Axial Tilt: 8.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 68,338,362 km

• M1: 59,690 km (0.079 R)
• M2: 237,412 km (0.078 R)
• M3: 419,173 km (0.114 R)
• M4: 828,473 km (0.074 R)
• M5: 1,179,430 km (0.107 R)
• M6: 1,532,032 km (0.114 R)
• M7: 2,570,690 km (0.086 R)
• M8: 3,603,214 km (0.095 R)
• M9: 3,838,831 km (0.081 R)
• M10: 4,185,898 km (0.085 R)
• M11: 4,419,869 km (0.092 R)
• M12: 5,979,277 km (0.099 R)
• M13: 6,377,357 km (0.069 R)
• M14: 7,153,022 km (0.118 R)
• M15: 7,755,453 km (0.068 R)
• M16: 8,596,342 km (0.097 R)
• M17: 9,540,903 km (0.076 R)
• M18: 12,787,028 km (0.097 R)
• M19: 13,335,603 km (0.118 R)
• M20: 14,835,022 km (0.114 R)
• M21: 15,936,661 km (0.081 R)
• M22: 16,379,321 km (0.09 R)
• M23: 18,370,170 km (0.111 R)
• M24: 24,960,106 km (0.069 R)
• M25: 32,359,815 km (0.118 R)
• M26: 32,561,473 km (0.069 R)
• M27: 35,366,582 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.6 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 387.3

Radius: 4

Gravity: 24.21 G

Time & Orbit

Eccentricity (e): 0.029

Orbit Range: 10.29 AU - 10.91 AU

Year: 22640 Days

Day: 16.8 Hours

Environment

Temp: -235 °C

Axial Tilt: 17.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 68,338,362 km

• M1: 49,966 km (0.087 R)
• M2: 225,294 km (0.099 R)
• M3: 468,241 km (0.109 R)
• M4: 993,779 km (0.109 R)
• M5: 1,516,922 km (0.096 R)
• M6: 1,802,804 km (0.118 R)
• M7: 2,143,737 km (0.101 R)
• M8: 3,235,802 km (0.113 R)
• M9: 3,397,816 km (0.059 R)
• M10: 4,354,944 km (0.05 R)
• M11: 4,860,285 km (0.118 R)
• M12: 6,272,489 km (0.112 R)
• M13: 9,651,606 km (0.08 R)
• M14: 9,987,902 km (0.113 R)
• M15: 10,743,072 km (0.115 R)
• M16: 11,104,201 km (0.113 R)
• M17: 11,723,985 km (0.096 R)
• M18: 15,626,246 km (0.066 R)
• M19: 16,167,790 km (0.115 R)
• M20: 20,131,984 km (0.111 R)
• M21: 20,865,612 km (0.069 R)
• M22: 25,965,553 km (0.105 R)
• M23: 34,882,633 km (0.112 R)
• M24: 41,544,974 km (0.112 R)
• M25: 44,247,161 km (0.06 R)
• M26: 51,340,643 km (0.103 R)
• M27: 53,398,810 km (0.107 R)
• M28: 57,496,296 km (0.072 R)
• M29: 65,510,254 km (0.096 R)
• M30: 66,914,380 km (0.103 R)
• M31: 67,319,191 km (0.096 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 13,177 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit