🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 823.3

Radius: 14.1

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.192

Orbit Range: 0.56 AU - 0.82 AU

Year: 376 Days

Day: 11.6 Hours

Environment

Temp: -135 °C

Axial Tilt: 44.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 90,116,093 km

• M1: 175,478 km (0.072 R)
• M2: 634,893 km (0.073 R)
• M3: 1,465,012 km (0.119 R)
• M4: 1,949,709 km (0.086 R)
• M5: 2,746,168 km (0.119 R)
• M6: 3,380,014 km (0.108 R)
• M7: 3,864,263 km (0.092 R)
• M8: 4,464,599 km (0.074 R)
• M9: 5,034,866 km (0.069 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 645.9

Radius: 14.2

Gravity: 3.2 G

Time & Orbit

Eccentricity (e): 0.12

Orbit Range: 2.16 AU - 2.74 AU

Year: 2516 Days

Day: 9.9 Hours

Environment

Temp: -187 °C

Axial Tilt: 33.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 90,116,093 km

• M1: 176,675 km (0.116 R)
• M2: 958,623 km (0.106 R)
• M3: 1,436,738 km (0.113 R)
• M4: 2,359,458 km (0.102 R)
• M5: 2,954,558 km (0.111 R)
• M6: 3,685,643 km (0.09 R)
• M7: 4,556,003 km (0.08 R)
• M8: 5,132,254 km (0.028 R)
• M9: 5,984,962 km (0.117 R)
• M10: 6,568,095 km (0.097 R)
• M11: 7,102,009 km (0.113 R)
• M12: 8,450,933 km (0.032 R)
• M13: 9,464,309 km (0.026 R)
• M14: 10,257,926 km (0.084 R)
• M15: 11,371,533 km (0.102 R)
• M16: 12,649,398 km (0.103 R)
• M17: 13,389,757 km (0.105 R)
• M18: 15,052,987 km (0.081 R)
• M19: 17,962,665 km (0.052 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 722.2

Radius: 14.9

Gravity: 3.25 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 1.99 AU - 2.99 AU

Year: 2578 Days

Day: 13.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 90,116,093 km

• M1: 185,352 km (0.107 R)
• M2: 857,196 km (0.118 R)
• M3: 1,400,834 km (0.087 R)
• M4: 3,216,354 km (0.086 R)
• M5: 3,945,345 km (0.039 R)
• M6: 4,562,885 km (0.11 R)
• M7: 5,710,899 km (0.067 R)
• M8: 6,339,808 km (0.097 R)
• M9: 7,400,158 km (0.118 R)
• M10: 10,977,492 km (0.072 R)
• M11: 11,580,670 km (0.043 R)
• M12: 13,844,984 km (0.119 R)
• M13: 14,359,451 km (0.086 R)
• M14: 16,339,229 km (0.072 R)
• M15: 17,556,956 km (0.054 R)
• M16: 18,891,219 km (0.102 R)
• M17: 19,583,259 km (0.076 R)

Planet 4 - Gas Giant

Semi-Major Axis: 4.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 756.4

Radius: 8.4

Gravity: 10.72 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 3.96 AU - 4.1 AU

Year: 5307 Days

Day: 13.2 Hours

Environment

Temp: -219 °C

Axial Tilt: 43.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 90,116,093 km

• M1: 105,766 km (0.075 R)
• M2: 421,716 km (0.102 R)
• M3: 1,050,327 km (0.078 R)
• M4: 1,577,360 km (0.099 R)
• M5: 2,160,792 km (0.097 R)
• M6: 2,824,557 km (0.075 R)
• M7: 3,255,399 km (0.061 R)
• M8: 3,936,369 km (0.081 R)
• M9: 4,298,396 km (0.106 R)
• M10: 5,006,143 km (0.097 R)
• M11: 5,578,953 km (0.118 R)
• M12: 5,881,291 km (0.095 R)
• M13: 7,237,545 km (0.036 R)
• M14: 8,045,673 km (0.116 R)
• M15: 8,432,383 km (0.083 R)
• M16: 13,870,864 km (0.073 R)
• M17: 15,407,533 km (0.062 R)
• M18: 15,823,715 km (0.055 R)
• M19: 16,186,490 km (0.098 R)
• M20: 17,564,286 km (0.046 R)
• M21: 18,950,759 km (0.104 R)
• M22: 19,914,618 km (0.057 R)
• M23: 23,234,644 km (0.099 R)
• M24: 23,703,483 km (0.11 R)
• M25: 24,178,606 km (0.045 R)
• M26: 27,423,234 km (0.099 R)
• M27: 28,211,166 km (0.04 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 736.6

Radius: 13.3

Gravity: 4.16 G

Time & Orbit

Eccentricity (e): 0.243

Orbit Range: 3.93 AU - 6.45 AU

Year: 7756 Days

Day: 13.5 Hours

Environment

Temp: -222 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (33)

Outer Limit: 90,116,093 km

• M1: 165,455 km (0.11 R)
• M2: 648,357 km (0.092 R)
• M3: 1,890,618 km (0.1 R)
• M4: 2,431,115 km (0.105 R)
• M5: 3,779,441 km (0.053 R)
• M6: 4,237,060 km (0.104 R)
• M7: 5,173,394 km (0.104 R)
• M8: 5,904,478 km (0.115 R)
• M9: 6,595,172 km (0.119 R)
• M10: 7,300,825 km (0.086 R)
• M11: 9,445,759 km (0.063 R)
• M12: 11,400,555 km (0.098 R)
• M13: 12,036,345 km (0.059 R)
• M14: 13,321,092 km (0.099 R)
• M15: 13,788,735 km (0.117 R)
• M16: 14,633,664 km (0.085 R)
• M17: 16,162,255 km (0.103 R)
• M18: 17,307,576 km (0.049 R)
• M19: 18,148,316 km (0.091 R)
• M20: 22,108,920 km (0.084 R)
• M21: 22,682,777 km (0.106 R)
• M22: 23,860,262 km (0.112 R)
• M23: 26,245,750 km (0.054 R)
• M24: 27,543,362 km (0.11 R)
• M25: 28,592,491 km (0.064 R)
• M26: 30,467,402 km (0.111 R)
• M27: 31,280,765 km (0.072 R)
• M28: 32,317,927 km (0.059 R)
• M29: 33,163,903 km (0.117 R)
• M30: 35,790,991 km (0.112 R)
• M31: 36,241,879 km (0.042 R)
• M32: 39,866,486 km (0.093 R)
• M33: 41,332,246 km (0.107 R)

Planet 6 - Ice Giant

Semi-Major Axis: 10.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 128.2

Radius: 3.3

Gravity: 11.77 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 9.25 AU - 11.05 AU

Year: 21213 Days

Day: 18.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 90,116,093 km

• M1: 44,580 km (0.088 R)
• M2: 154,834 km (0.083 R)
• M3: 322,832 km (0.077 R)
• M4: 817,702 km (0.092 R)
• M5: 1,441,226 km (0.101 R)
• M6: 1,882,091 km (0.12 R)
• M7: 2,313,232 km (0.104 R)
• M8: 2,601,806 km (0.063 R)
• M9: 2,849,540 km (0.101 R)
• M10: 3,893,434 km (0.068 R)
• M11: 4,026,277 km (0.117 R)
• M12: 6,473,698 km (0.063 R)
• M13: 7,983,290 km (0.106 R)
• M14: 10,205,567 km (0.112 R)
• M15: 10,407,524 km (0.06 R)
• M16: 11,730,567 km (0.072 R)
• M17: 12,866,464 km (0.049 R)
• M18: 14,769,050 km (0.114 R)
• M19: 16,641,417 km (0.116 R)
• M20: 17,418,278 km (0.106 R)
• M21: 18,590,976 km (0.094 R)
• M22: 20,768,224 km (0.071 R)
• M23: 21,092,552 km (0.117 R)
• M24: 21,337,892 km (0.103 R)
• M25: 27,619,208 km (0.107 R)
• M26: 29,007,775 km (0.072 R)
• M27: 35,718,436 km (0.078 R)
• M28: 36,889,339 km (0.103 R)
• M29: 37,245,681 km (0.114 R)
• M30: 40,934,765 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.63 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 880.6

Radius: 5.2

Gravity: 32.57 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 9.34 AU - 11.92 AU

Year: 22736 Days

Day: 15.5 Hours

Environment

Temp: -231 °C

Axial Tilt: 15.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 90,116,093 km

• M1: 64,925 km (0.073 R)
• M2: 249,080 km (0.091 R)
• M3: 447,597 km (0.026 R)
• M4: 702,063 km (0.072 R)
• M5: 1,837,211 km (0.038 R)
• M6: 2,215,844 km (0.105 R)
• M7: 2,879,310 km (0.032 R)
• M8: 3,213,362 km (0.11 R)
• M9: 4,589,214 km (0.096 R)
• M10: 5,530,633 km (0.046 R)
• M11: 6,180,786 km (0.109 R)
• M12: 7,946,788 km (0.115 R)
• M13: 9,236,173 km (0.091 R)
• M14: 9,961,573 km (0.104 R)
• M15: 10,211,551 km (0.101 R)
• M16: 12,151,237 km (0.063 R)
• M17: 12,508,776 km (0.053 R)
• M18: 12,799,743 km (0.106 R)
• M19: 14,009,541 km (0.085 R)
• M20: 15,210,962 km (0.113 R)
• M21: 24,004,624 km (0.056 R)
• M22: 24,567,411 km (0.057 R)
• M23: 24,909,392 km (0.109 R)
• M24: 27,027,698 km (0.085 R)
• M25: 33,957,071 km (0.097 R)
• M26: 35,384,983 km (0.042 R)
• M27: 37,450,481 km (0.083 R)
• M28: 42,798,754 km (0.077 R)
• M29: 43,128,318 km (0.107 R)
• M30: 46,170,989 km (0.096 R)
• M31: 53,820,676 km (0.04 R)
• M32: 72,498,120 km (0.053 R)
• M33: 75,098,879 km (0.09 R)
• M34: 83,786,775 km (0.069 R)
• M35: 84,044,383 km (0.103 R)
• M36: 84,820,347 km (0.091 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 17,974 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit