🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427.2

Radius: 14.6

Gravity: 2 G

Time & Orbit

Eccentricity (e): 0.061

Orbit Range: 0.49 AU - 0.55 AU

Year: 264 Days

Day: 14.8 Hours

Environment

Temp: -143 °C

Axial Tilt: 6.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 80,163,856 km

• M1: 181,612 km (0.068 R)
• M2: 979,118 km (0.097 R)
• M3: 1,462,170 km (0.088 R)
• M4: 2,137,454 km (0.11 R)
• M5: 2,926,284 km (0.1 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 585.1

Radius: 12.9

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 0.6 AU - 0.76 AU

Year: 394 Days

Day: 8.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 58.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 80,163,856 km

• M1: 160,519 km (0.083 R)
• M2: 598,391 km (0.07 R)
• M3: 1,225,356 km (0.1 R)
• M4: 1,628,672 km (0.074 R)
• M5: 2,280,620 km (0.079 R)
• M6: 2,814,534 km (0.099 R)
• M7: 3,252,707 km (0.1 R)
• M8: 3,772,858 km (0.073 R)
• M9: 4,388,603 km (0.078 R)
• M10: 4,835,901 km (0.056 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.44 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 542.3

Radius: 9.2

Gravity: 6.41 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.4 AU - 1.48 AU

Year: 1215 Days

Day: 11.8 Hours

Environment

Temp: -199 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 80,163,856 km

• M1: 114,442 km (0.084 R)
• M2: 454,030 km (0.071 R)
• M3: 777,610 km (0.094 R)
• M4: 1,246,001 km (0.089 R)
• M5: 1,558,810 km (0.112 R)
• M6: 2,107,236 km (0.053 R)
• M7: 2,642,048 km (0.118 R)
• M8: 3,649,590 km (0.099 R)
• M9: 3,982,295 km (0.119 R)
• M10: 4,422,263 km (0.107 R)
• M11: 5,440,276 km (0.097 R)
• M12: 5,918,391 km (0.082 R)
• M13: 6,312,133 km (0.109 R)
• M14: 7,274,196 km (0.094 R)
• M15: 7,675,119 km (0.095 R)
• M16: 8,770,175 km (0.078 R)
• M17: 9,195,781 km (0.118 R)
• M18: 9,935,842 km (0.104 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 878.8

Radius: 10.3

Gravity: 8.28 G

Time & Orbit

Eccentricity (e): 0.225

Orbit Range: 1.99 AU - 3.15 AU

Year: 2896 Days

Day: 7.7 Hours

Environment

Temp: -203 °C

Axial Tilt: 35.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (28)

Outer Limit: 80,163,856 km

• M1: 177,872 km (0.095 R)
• M2: 508,483 km (0.092 R)
• M3: 857,046 km (0.106 R)
• M4: 1,600,847 km (0.065 R)
• M5: 2,152,863 km (0.083 R)
• M6: 2,481,829 km (0.099 R)
• M7: 2,894,420 km (0.063 R)
• M8: 3,427,287 km (0.104 R)
• M9: 3,858,877 km (0.086 R)
• M10: 4,415,531 km (0.027 R)
• M11: 4,903,519 km (0.085 R)
• M12: 5,401,381 km (0.083 R)
• M13: 6,498,681 km (0.086 R)
• M14: 7,038,430 km (0.113 R)
• M15: 7,511,010 km (0.105 R)
• M16: 8,038,043 km (0.12 R)
• M17: 8,519,449 km (0.105 R)
• M18: 8,911,096 km (0.045 R)
• M19: 9,845,933 km (0.104 R)
• M20: 10,599,308 km (0.084 R)
• M21: 11,263,074 km (0.059 R)
• M22: 11,605,204 km (0.063 R)
• M23: 12,176,070 km (0.029 R)
• M24: 12,950,688 km (0.071 R)
• M25: 14,248,000 km (0.077 R)
• M26: 14,902,641 km (0.073 R)
• M27: 19,935,711 km (0.115 R)
• M28: 21,596,098 km (0.099 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 264

Radius: 9.6

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 3.92 AU - 4.66 AU

Year: 6246 Days

Day: 5.3 Hours

Environment

Temp: -214 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 80,163,856 km

• M1: 128,804 km (0.096 R)
• M2: 1,006,345 km (0.042 R)
• M3: 2,540,621 km (0.106 R)
• M4: 6,165,377 km (0.071 R)
• M5: 6,676,553 km (0.119 R)
• M6: 9,627,670 km (0.059 R)
• M7: 10,110,273 km (0.06 R)
• M8: 10,821,760 km (0.107 R)
• M9: 12,532,262 km (0.096 R)
• M10: 13,903,028 km (0.1 R)
• M11: 15,101,755 km (0.113 R)
• M12: 15,589,145 km (0.063 R)
• M13: 16,142,807 km (0.095 R)

Planet 6 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 38

Radius: 4.5

Gravity: 1.88 G

Time & Orbit

Eccentricity (e): 0.093

Orbit Range: 5.06 AU - 6.1 AU

Year: 9265 Days

Day: 19 Hours

Environment

Temp: -217 °C

Axial Tilt: 27.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 80,163,856 km

• M1: 55,950 km (0.067 R)
• M2: 389,254 km (0.113 R)
• M3: 661,522 km (0.117 R)
• M4: 933,192 km (0.071 R)
• M5: 1,131,409 km (0.083 R)
• M6: 1,452,147 km (0.05 R)
• M7: 2,299,618 km (0.089 R)
• M8: 2,953,062 km (0.067 R)
• M9: 4,833,956 km (0.089 R)
• M10: 6,546,852 km (0.106 R)
• M11: 6,932,365 km (0.086 R)
• M12: 7,391,332 km (0.066 R)
• M13: 8,889,704 km (0.07 R)
• M14: 9,396,541 km (0.025 R)
• M15: 15,425,934 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 5.97 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.1

Radius: 4.4

Gravity: 17.31 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 4.81 AU - 7.13 AU

Year: 10253 Days

Day: 18.4 Hours

Environment

Temp: -230 °C

Axial Tilt: 5.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (35)

Outer Limit: 80,163,856 km

• M1: 54,753 km (0.062 R)
• M2: 192,084 km (0.071 R)
• M3: 675,734 km (0.038 R)
• M4: 980,315 km (0.118 R)
• M5: 1,335,011 km (0.071 R)
• M6: 2,044,853 km (0.046 R)
• M7: 2,226,166 km (0.09 R)
• M8: 2,418,100 km (0.115 R)
• M9: 3,082,464 km (0.099 R)
• M10: 3,255,100 km (0.054 R)
• M11: 3,572,696 km (0.09 R)
• M12: 4,087,313 km (0.064 R)
• M13: 5,667,665 km (0.038 R)
• M14: 5,960,129 km (0.118 R)
• M15: 6,504,964 km (0.074 R)
• M16: 6,753,446 km (0.092 R)
• M17: 7,008,211 km (0.092 R)
• M18: 7,537,040 km (0.106 R)
• M19: 7,732,265 km (0.047 R)
• M20: 9,735,381 km (0.075 R)
• M21: 11,383,351 km (0.097 R)
• M22: 13,152,196 km (0.037 R)
• M23: 14,013,581 km (0.078 R)
• M24: 15,344,104 km (0.059 R)
• M25: 20,435,069 km (0.069 R)
• M26: 20,814,749 km (0.108 R)
• M27: 21,199,215 km (0.102 R)
• M28: 23,440,042 km (0.116 R)
• M29: 24,446,835 km (0.12 R)
• M30: 25,922,169 km (0.109 R)
• M31: 27,363,994 km (0.114 R)
• M32: 28,104,503 km (0.077 R)
• M33: 29,336,292 km (0.113 R)
• M34: 31,200,581 km (0.068 R)
• M35: 34,516,418 km (0.087 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 730.7

Radius: 5.2

Gravity: 27.02 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 8.99 AU - 10.23 AU

Year: 20941 Days

Day: 21.8 Hours

Environment

Temp: -228 °C

Axial Tilt: 33.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 80,163,856 km

• M1: 68,366 km (0.112 R)
• M2: 257,458 km (0.107 R)
• M3: 838,646 km (0.096 R)
• M4: 1,228,199 km (0.107 R)
• M5: 3,678,612 km (0.111 R)
• M6: 4,743,300 km (0.115 R)
• M7: 5,872,764 km (0.09 R)
• M8: 7,075,680 km (0.089 R)
• M9: 8,434,029 km (0.118 R)
• M10: 8,703,305 km (0.097 R)
• M11: 9,034,215 km (0.075 R)
• M12: 10,815,328 km (0.07 R)
• M13: 12,537,798 km (0.038 R)
• M14: 13,610,414 km (0.028 R)
• M15: 14,742,870 km (0.103 R)
• M16: 16,431,830 km (0.119 R)
• M17: 16,767,528 km (0.077 R)
• M18: 17,107,863 km (0.103 R)
• M19: 17,452,686 km (0.036 R)
• M20: 18,878,802 km (0.108 R)
• M21: 21,160,768 km (0.11 R)
• M22: 21,658,331 km (0.093 R)
• M23: 22,061,946 km (0.071 R)
• M24: 22,676,644 km (0.12 R)
• M25: 27,774,789 km (0.105 R)
• M26: 28,012,351 km (0.103 R)
• M27: 29,713,129 km (0.107 R)
• M28: 30,336,803 km (0.032 R)
• M29: 33,721,454 km (0.076 R)
• M30: 34,127,613 km (0.106 R)
• M31: 37,205,439 km (0.071 R)
• M32: 39,108,474 km (0.094 R)
• M33: 41,075,387 km (0.11 R)
• M34: 48,564,406 km (0.116 R)
• M35: 51,012,276 km (0.03 R)
• M36: 55,022,994 km (0.102 R)
• M37: 63,049,070 km (0.089 R)
• M38: 76,846,631 km (0.052 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: 359 - 17,054 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit