🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.47 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 87.1

Radius: 12.3

Gravity: 0.58 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.88 AU - 1 AU

Year: 588 Days

Day: 7.4 Hours

Environment

Temp: -151 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 96,819,083 km

• M1: 153,039 km (0.077 R)
• M2: 539,300 km (0.068 R)
• M3: 1,068,727 km (0.119 R)
• M4: 1,810,882 km (0.115 R)
• M5: 2,230,953 km (0.083 R)
• M6: 2,776,985 km (0.101 R)
• M7: 3,361,165 km (0.117 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 993.4

Radius: 10.2

Gravity: 9.55 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 2.11 AU - 2.61 AU

Year: 2341 Days

Day: 7.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 6.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 96,819,083 km

• M1: 126,859 km (0.101 R)
• M2: 626,366 km (0.091 R)
• M3: 1,139,188 km (0.112 R)
• M4: 2,068,789 km (0.058 R)
• M5: 4,081,778 km (0.108 R)
• M6: 4,730,135 km (0.12 R)
• M7: 5,055,510 km (0.105 R)
• M8: 5,420,679 km (0.095 R)
• M9: 6,884,344 km (0.11 R)
• M10: 7,212,263 km (0.037 R)
• M11: 7,899,516 km (0.072 R)
• M12: 10,850,782 km (0.033 R)
• M13: 11,214,156 km (0.042 R)
• M14: 13,567,180 km (0.027 R)
• M15: 13,894,650 km (0.075 R)
• M16: 15,408,581 km (0.105 R)
• M17: 17,301,443 km (0.071 R)
• M18: 19,521,774 km (0.111 R)
• M19: 19,879,313 km (0.076 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 767.2

Radius: 9.2

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 2.41 AU - 2.57 AU

Year: 2537 Days

Day: 9.7 Hours

Environment

Temp: -190 °C

Axial Tilt: 16.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 96,819,083 km

• M1: 114,442 km (0.064 R)
• M2: 455,077 km (0.075 R)
• M3: 936,034 km (0.106 R)
• M4: 1,281,904 km (0.091 R)
• M5: 1,583,942 km (0.082 R)
• M6: 2,108,582 km (0.109 R)
• M7: 3,307,459 km (0.039 R)
• M8: 3,635,079 km (0.086 R)
• M9: 4,044,678 km (0.043 R)
• M10: 4,377,234 km (0.059 R)
• M11: 5,362,784 km (0.103 R)
• M12: 5,688,160 km (0.088 R)
• M13: 6,378,554 km (0.103 R)
• M14: 7,862,116 km (0.071 R)
• M15: 9,526,841 km (0.09 R)
• M16: 10,461,230 km (0.091 R)
• M17: 10,930,817 km (0.107 R)
• M18: 13,723,361 km (0.088 R)
• M19: 14,477,484 km (0.111 R)
• M20: 16,016,846 km (0.06 R)
• M21: 16,905,906 km (0.07 R)
• M22: 17,498,613 km (0.086 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 623.5

Radius: 9.5

Gravity: 6.91 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 2.71 AU - 3.03 AU

Year: 3139 Days

Day: 6.4 Hours

Environment

Temp: -196 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 96,819,083 km

• M1: 137,032 km (0.095 R)
• M2: 435,779 km (0.092 R)
• M3: 877,990 km (0.073 R)
• M4: 1,535,772 km (0.09 R)
• M5: 2,507,709 km (0.059 R)
• M6: 3,032,798 km (0.087 R)
• M7: 4,613,150 km (0.106 R)
• M8: 5,633,706 km (0.085 R)
• M9: 6,536,230 km (0.116 R)
• M10: 7,220,042 km (0.102 R)
• M11: 8,625,813 km (0.109 R)
• M12: 11,084,753 km (0.079 R)
• M13: 11,883,905 km (0.119 R)
• M14: 12,275,552 km (0.054 R)
• M15: 13,084,727 km (0.112 R)
• M16: 14,218,530 km (0.081 R)
• M17: 15,519,283 km (0.111 R)
• M18: 16,843,224 km (0.035 R)
• M19: 17,504,896 km (0.073 R)
• M20: 17,955,484 km (0.093 R)
• M21: 20,018,439 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 207.8

Radius: 12.2

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.002

Orbit Range: 2.93 AU - 2.95 AU

Year: 3255 Days

Day: 5.6 Hours

Environment

Temp: -209 °C

Axial Tilt: 6.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 96,819,083 km

• M1: 151,842 km (0.097 R)
• M2: 922,121 km (0.113 R)
• M3: 1,499,270 km (0.031 R)
• M4: 1,915,900 km (0.119 R)
• M5: 2,916,560 km (0.076 R)
• M6: 3,492,811 km (0.068 R)
• M7: 4,033,308 km (0.094 R)
• M8: 4,489,432 km (0.116 R)
• M9: 6,069,634 km (0.054 R)
• M10: 7,229,467 km (0.067 R)
• M11: 8,872,650 km (0.081 R)
• M12: 9,352,410 km (0.12 R)
• M13: 10,968,516 km (0.119 R)
• M14: 12,248,774 km (0.073 R)
• M15: 12,683,506 km (0.063 R)
• M16: 13,210,689 km (0.11 R)
• M17: 14,439,486 km (0.101 R)
• M18: 15,059,419 km (0.086 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 68.2

Radius: 12.7

Gravity: 0.42 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.94 AU - 3.04 AU

Year: 3338 Days

Day: 5.7 Hours

Environment

Temp: -204 °C

Axial Tilt: 8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 96,819,083 km

• M1: 158,125 km (0.091 R)
• M2: 579,243 km (0.026 R)
• M3: 1,163,273 km (0.075 R)
• M4: 1,834,967 km (0.115 R)
• M5: 2,444,429 km (0.06 R)
• M6: 4,008,026 km (0.098 R)
• M7: 5,004,198 km (0.093 R)
• M8: 7,262,677 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 368.5

Radius: 14.3

Gravity: 1.8 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 3 AU - 4.24 AU

Year: 4447 Days

Day: 7.3 Hours

Environment

Temp: -215 °C

Axial Tilt: 4.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 96,819,083 km

• M1: 178,021 km (0.097 R)
• M2: 683,213 km (0.071 R)
• M3: 1,255,725 km (0.118 R)
• M4: 2,429,021 km (0.089 R)
• M5: 3,255,848 km (0.101 R)
• M6: 3,947,589 km (0.1 R)
• M7: 4,948,698 km (0.059 R)
• M8: 5,419,632 km (0.077 R)
• M9: 7,016,290 km (0.05 R)
• M10: 7,516,545 km (0.108 R)
• M11: 8,519,000 km (0.111 R)
• M12: 8,980,360 km (0.041 R)
• M13: 10,708,066 km (0.07 R)
• M14: 11,288,356 km (0.074 R)
• M15: 11,977,254 km (0.094 R)
• M16: 12,421,859 km (0.09 R)
• M17: 14,561,258 km (0.092 R)
• M18: 17,611,260 km (0.091 R)
• M19: 18,538,767 km (0.113 R)
• M20: 20,239,994 km (0.096 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.94 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 820.6

Radius: 11.1

Gravity: 6.66 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 5.22 AU - 6.66 AU

Year: 9347 Days

Day: 8.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 96,819,083 km

• M1: 138,079 km (0.093 R)
• M2: 669,002 km (0.06 R)
• M3: 1,597,855 km (0.076 R)
• M4: 1,946,268 km (0.116 R)
• M5: 2,517,433 km (0.059 R)
• M6: 2,994,650 km (0.058 R)
• M7: 3,606,655 km (0.052 R)
• M8: 4,560,341 km (0.082 R)
• M9: 5,438,331 km (0.109 R)
• M10: 6,095,814 km (0.093 R)
• M11: 6,651,570 km (0.117 R)
• M12: 8,660,670 km (0.115 R)
• M13: 9,754,529 km (0.087 R)
• M14: 10,568,192 km (0.115 R)
• M15: 13,963,764 km (0.087 R)
• M16: 17,654,643 km (0.071 R)
• M17: 22,293,523 km (0.119 R)
• M18: 24,338,826 km (0.047 R)
• M19: 27,686,676 km (0.098 R)
• M20: 28,290,005 km (0.111 R)
• M21: 29,522,691 km (0.1 R)
• M22: 32,426,984 km (0.118 R)
• M23: 33,097,183 km (0.053 R)
• M24: 35,871,325 km (0.111 R)
• M25: 36,228,715 km (0.059 R)
• M26: 37,437,017 km (0.09 R)
• M27: 47,084,135 km (0.079 R)

Planet 9 - Ice Giant

Semi-Major Axis: 11.23 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 956.1

Radius: 3.7

Gravity: 69.84 G

Time & Orbit

Eccentricity (e): 0.237

Orbit Range: 8.57 AU - 13.89 AU

Year: 24299 Days

Day: 18.9 Hours

Environment

Temp: -242 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 96,819,083 km

• M1: 46,076 km (0.05 R)
• M2: 278,850 km (0.054 R)
• M3: 488,736 km (0.053 R)
• M4: 1,048,531 km (0.078 R)
• M5: 1,650,663 km (0.103 R)
• M6: 1,867,430 km (0.115 R)
• M7: 2,764,868 km (0.054 R)
• M8: 3,917,071 km (0.052 R)
• M9: 4,868,812 km (0.094 R)
• M10: 6,618,509 km (0.113 R)
• M11: 7,902,358 km (0.064 R)
• M12: 8,864,422 km (0.063 R)
• M13: 9,651,007 km (0.114 R)
• M14: 10,417,397 km (0.073 R)
• M15: 11,018,182 km (0.099 R)
• M16: 15,711,516 km (0.094 R)
• M17: 16,500,496 km (0.11 R)
• M18: 17,223,652 km (0.072 R)
• M19: 21,053,656 km (0.094 R)
• M20: 22,119,840 km (0.059 R)
• M21: 22,666,172 km (0.12 R)
• M22: 27,365,041 km (0.081 R)
• M23: 28,121,557 km (0.049 R)
• M24: 31,698,891 km (0.03 R)
• M25: 34,390,307 km (0.069 R)
• M26: 36,317,127 km (0.086 R)
• M27: 38,785,791 km (0.109 R)
• M28: 41,859,878 km (0.086 R)
• M29: 44,744,574 km (0.033 R)
• M30: 51,095,153 km (0.107 R)
• M31: 53,208,671 km (0.094 R)
• M32: 54,188,238 km (0.082 R)
• M33: 54,980,509 km (0.067 R)
• M34: 60,108,275 km (0.105 R)
• M35: 62,245,580 km (0.091 R)
• M36: 65,769,657 km (0.119 R)
• M37: 71,775,862 km (0.06 R)
• M38: 79,402,361 km (0.076 R)
• M39: 94,515,037 km (0.056 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: 453 - 16,174 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit