🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.42 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.83 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 209.9

Radius: 12

Gravity: 1.46 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.74 AU - 0.92 AU

Year: 488 Days

Day: 7.9 Hours

Environment

Temp: -145 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,400,972 km

• M1: 149,299 km (0.079 R)
• M2: 657,782 km (0.096 R)
• M3: 1,251,985 km (0.083 R)
• M4: 1,685,370 km (0.117 R)
• M5: 2,235,441 km (0.045 R)
• M6: 2,672,716 km (0.091 R)
• M7: 3,279,485 km (0.089 R)
• M8: 3,790,511 km (0.085 R)
• M9: 4,229,880 km (0.062 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 647.6

Radius: 8.7

Gravity: 8.56 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 1.18 AU - 1.22 AU

Year: 849 Days

Day: 11.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 35.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,400,972 km

• M1: 110,254 km (0.086 R)
• M2: 439,668 km (0.117 R)
• M3: 1,278,164 km (0.103 R)
• M4: 2,206,718 km (0.107 R)
• M5: 2,796,283 km (0.079 R)
• M6: 4,254,863 km (0.028 R)
• M7: 4,843,979 km (0.12 R)
• M8: 6,696,599 km (0.106 R)
• M9: 7,708,629 km (0.067 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 434.1

Radius: 10.2

Gravity: 4.17 G

Time & Orbit

Eccentricity (e): 0.046

Orbit Range: 1.15 AU - 1.27 AU

Year: 859 Days

Day: 12 Hours

Environment

Temp: -172 °C

Axial Tilt: 116.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 43,400,972 km

• M1: 127,158 km (0.1 R)
• M2: 553,063 km (0.112 R)
• M3: 870,211 km (0.105 R)
• M4: 1,249,292 km (0.116 R)
• M5: 2,081,206 km (0.111 R)
• M6: 2,810,346 km (0.117 R)
• M7: 3,133,926 km (0.12 R)
• M8: 3,987,980 km (0.104 R)
• M9: 4,367,211 km (0.081 R)
• M10: 4,887,961 km (0.119 R)
• M11: 5,689,805 km (0.074 R)
• M12: 6,053,777 km (0.106 R)
• M13: 6,978,292 km (0.111 R)
• M14: 7,553,795 km (0.046 R)
• M15: 7,994,211 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 166.8

Radius: 9.6

Gravity: 1.81 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.6 AU - 1.6 AU

Year: 1307 Days

Day: 14.7 Hours

Environment

Temp: -179 °C

Axial Tilt: 12.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 43,400,972 km

• M1: 120,725 km (0.06 R)
• M2: 843,732 km (0.067 R)
• M3: 1,155,943 km (0.114 R)
• M4: 2,261,621 km (0.099 R)
• M5: 3,990,074 km (0.094 R)
• M6: 4,779,652 km (0.081 R)
• M7: 5,238,020 km (0.044 R)
• M8: 5,744,109 km (0.108 R)
• M9: 7,109,639 km (0.065 R)
• M10: 7,685,142 km (0.056 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 34.9

Radius: 13.3

Gravity: 0.2 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 2.4 AU - 2.5 AU

Year: 2476 Days

Day: 12.2 Hours

Environment

Temp: -195 °C

Axial Tilt: 6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 43,400,972 km

• M1: 165,455 km (0.071 R)
• M2: 640,428 km (0.095 R)
• M3: 1,172,399 km (0.093 R)
• M4: 1,680,433 km (0.109 R)
• M5: 2,223,024 km (0.055 R)
• M6: 2,971,612 km (0.075 R)
• M7: 3,923,803 km (0.059 R)
• M8: 4,516,958 km (0.093 R)
• M9: 6,199,336 km (0.111 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.64 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 744.1

Radius: 10.5

Gravity: 6.75 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 2.22 AU - 3.06 AU

Year: 2770 Days

Day: 9.5 Hours

Environment

Temp: -198 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 43,400,972 km

• M1: 131,497 km (0.095 R)
• M2: 492,027 km (0.117 R)
• M3: 905,815 km (0.117 R)
• M4: 1,432,400 km (0.076 R)
• M5: 2,195,648 km (0.057 R)
• M6: 2,810,046 km (0.077 R)
• M7: 3,668,140 km (0.119 R)
• M8: 4,579,789 km (0.055 R)
• M9: 6,003,961 km (0.088 R)
• M10: 6,643,641 km (0.099 R)
• M11: 8,872,799 km (0.111 R)
• M12: 10,118,202 km (0.08 R)
• M13: 12,862,724 km (0.094 R)
• M14: 14,020,911 km (0.107 R)
• M15: 16,437,365 km (0.087 R)
• M16: 17,968,649 km (0.098 R)
• M17: 18,423,127 km (0.083 R)
• M18: 18,943,578 km (0.066 R)
• M19: 20,379,269 km (0.077 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 466.3

Radius: 8.7

Gravity: 6.16 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 3.56 AU - 3.86 AU

Year: 4614 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 26.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 43,400,972 km

• M1: 108,159 km (0.118 R)
• M2: 490,531 km (0.1 R)
• M3: 1,377,946 km (0.045 R)
• M4: 1,810,882 km (0.082 R)
• M5: 2,811,842 km (0.05 R)
• M6: 4,121,870 km (0.061 R)
• M7: 4,677,925 km (0.117 R)
• M8: 5,256,869 km (0.066 R)
• M9: 5,911,061 km (0.055 R)
• M10: 6,317,069 km (0.074 R)
• M11: 6,835,127 km (0.093 R)
• M12: 7,886,800 km (0.073 R)
• M13: 8,596,791 km (0.102 R)
• M14: 9,860,444 km (0.037 R)
• M15: 10,143,783 km (0.11 R)
• M16: 10,474,095 km (0.032 R)
• M17: 13,185,706 km (0.088 R)
• M18: 14,287,494 km (0.075 R)
• M19: 15,341,262 km (0.089 R)
• M20: 17,017,955 km (0.096 R)
• M21: 17,543,941 km (0.1 R)
• M22: 18,813,279 km (0.106 R)
• M23: 20,013,652 km (0.118 R)
• M24: 21,130,250 km (0.119 R)
• M25: 21,737,917 km (0.051 R)
• M26: 22,357,103 km (0.067 R)
• M27: 23,129,925 km (0.118 R)
• M28: 24,139,112 km (0.097 R)
• M29: 25,102,224 km (0.039 R)

Asteroid Belt

Center: 4.32 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 8 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 812.5

Radius: 9.1

Gravity: 9.81 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 4.57 AU - 5.29 AU

Year: 7068 Days

Day: 5.5 Hours

Environment

Temp: -217 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 43,400,972 km

• M1: 113,246 km (0.084 R)
• M2: 601,683 km (0.072 R)
• M3: 912,248 km (0.083 R)
• M4: 1,504,057 km (0.109 R)
• M5: 2,065,348 km (0.117 R)
• M6: 3,238,794 km (0.115 R)
• M7: 3,674,872 km (0.099 R)
• M8: 4,334,748 km (0.094 R)
• M9: 5,131,506 km (0.057 R)
• M10: 5,790,634 km (0.104 R)
• M11: 6,226,413 km (0.099 R)
• M12: 6,576,322 km (0.098 R)
• M13: 6,976,347 km (0.102 R)
• M14: 8,915,435 km (0.111 R)
• M15: 9,820,651 km (0.12 R)
• M16: 10,835,823 km (0.08 R)
• M17: 11,866,253 km (0.102 R)
• M18: 13,416,535 km (0.095 R)
• M19: 14,787,750 km (0.044 R)
• M20: 19,018,527 km (0.072 R)
• M21: 25,293,858 km (0.059 R)
• M22: 29,771,771 km (0.116 R)
• M23: 33,885,563 km (0.083 R)
• M24: 35,189,907 km (0.118 R)
• M25: 35,966,021 km (0.066 R)

Planet 9 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 839.1

Radius: 3.2

Gravity: 81.94 G

Time & Orbit

Eccentricity (e): 0.11

Orbit Range: 5.72 AU - 7.14 AU

Year: 10528 Days

Day: 16.6 Hours

Environment

Temp: -215 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 43,400,972 km

• M1: 39,943 km (0.108 R)
• M2: 151,094 km (0.086 R)
• M3: 286,779 km (0.102 R)
• M4: 574,306 km (0.114 R)
• M5: 810,222 km (0.102 R)
• M6: 1,204,113 km (0.115 R)
• M7: 2,904,293 km (0.114 R)
• M8: 3,210,071 km (0.082 R)
• M9: 3,358,323 km (0.078 R)
• M10: 3,775,850 km (0.069 R)
• M11: 5,337,951 km (0.095 R)
• M12: 6,749,108 km (0.088 R)
• M13: 7,116,520 km (0.12 R)
• M14: 7,714,313 km (0.044 R)
• M15: 8,025,327 km (0.115 R)
• M16: 8,437,470 km (0.037 R)
• M17: 9,504,252 km (0.119 R)
• M18: 11,726,229 km (0.096 R)
• M19: 11,959,901 km (0.058 R)
• M20: 12,137,174 km (0.116 R)
• M21: 14,943,481 km (0.115 R)
• M22: 15,426,383 km (0.1 R)
• M23: 16,062,623 km (0.114 R)
• M24: 16,937,621 km (0.092 R)
• M25: 21,881,681 km (0.055 R)
• M26: 24,064,313 km (0.102 R)
• M27: 25,499,555 km (0.113 R)
• M28: 26,688,260 km (0.114 R)
• M29: 28,750,467 km (0.094 R)
• M30: 30,584,836 km (0.119 R)
• M31: 32,039,077 km (0.077 R)
• M32: 36,926,589 km (0.112 R)
• M33: 41,743,491 km (0.074 R)
• M34: 45,655,176 km (0.111 R)
• M35: 46,962,512 km (0.043 R)
• M36: 49,045,512 km (0.103 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.95 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 92.9

Radius: 3.6

Gravity: 7.17 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 10.06 AU - 11.84 AU

Year: 23396 Days

Day: 20.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 12.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 43,400,972 km

• M1: 44,730 km (0.099 R)
• M2: 314,904 km (0.117 R)
• M3: 1,856,210 km (0.113 R)
• M4: 3,995,610 km (0.097 R)
• M5: 4,575,002 km (0.09 R)
• M6: 5,796,020 km (0.107 R)
• M7: 8,814,157 km (0.115 R)
• M8: 11,896,621 km (0.053 R)
• M9: 17,119,831 km (0.105 R)
• M10: 19,152,267 km (0.063 R)
• M11: 21,097,937 km (0.086 R)
• M12: 31,651,469 km (0.105 R)
• M13: 36,866,301 km (0.094 R)
• M14: 39,492,491 km (0.087 R)
• M15: 39,983,023 km (0.106 R)
• M16: 41,479,002 km (0.064 R)

Kuiper Belt

Range: 30 - 55 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 422 - 16,440 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit