🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.28 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.88

Radius: 0.95

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 0.55 AU - 0.57 AU

Year: 271 Days

Day: 24.3 Hours

Environment

Temp: -119 °C

Axial Tilt: 4.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 797.7

Radius: 12.9

Gravity: 4.79 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 0.91 AU - 1.05 AU

Year: 626 Days

Day: 6.8 Hours

Environment

Temp: -151 °C

Axial Tilt: 11.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 50,591,286 km

• M1: 165,306 km (0.073 R)
• M2: 468,989 km (0.058 R)
• M3: 890,257 km (0.071 R)
• M4: 1,170,454 km (0.077 R)
• M5: 1,489,696 km (0.063 R)
• M6: 1,911,412 km (0.071 R)
• M7: 2,187,570 km (0.112 R)
• M8: 2,458,342 km (0.112 R)
• M9: 2,710,414 km (0.11 R)
• M10: 2,984,926 km (0.061 R)
• M11: 3,764,182 km (0.087 R)
• M12: 4,567,672 km (0.118 R)
• M13: 5,061,345 km (0.094 R)
• M14: 5,516,421 km (0.107 R)
• M15: 5,804,547 km (0.095 R)
• M16: 6,642,744 km (0.114 R)
• M17: 6,886,588 km (0.089 R)
• M18: 7,372,931 km (0.09 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 480.4

Radius: 11.1

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 1.8 AU - 2.2 AU

Year: 1826 Days

Day: 9.6 Hours

Environment

Temp: -189 °C

Axial Tilt: 14.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 50,591,286 km

• M1: 164,258 km (0.034 R)
• M2: 525,687 km (0.061 R)
• M3: 825,032 km (0.092 R)
• M4: 1,055,413 km (0.096 R)
• M5: 1,326,933 km (0.115 R)
• M6: 1,553,723 km (0.084 R)
• M7: 1,848,282 km (0.054 R)
• M8: 2,066,695 km (0.058 R)
• M9: 2,298,422 km (0.106 R)
• M10: 2,813,188 km (0.081 R)
• M11: 3,225,629 km (0.119 R)
• M12: 4,065,771 km (0.034 R)
• M13: 4,333,102 km (0.081 R)
• M14: 4,718,766 km (0.115 R)
• M15: 5,023,197 km (0.097 R)
• M16: 5,253,877 km (0.071 R)
• M17: 6,067,091 km (0.098 R)
• M18: 6,711,559 km (0.084 R)
• M19: 7,211,964 km (0.108 R)
• M20: 7,791,506 km (0.095 R)
• M21: 8,457,665 km (0.095 R)
• M22: 9,063,387 km (0.062 R)
• M23: 9,418,981 km (0.069 R)
• M24: 10,362,046 km (0.057 R)
• M25: 11,032,245 km (0.096 R)
• M26: 13,117,639 km (0.027 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 526.9

Radius: 12.8

Gravity: 3.22 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 2.72 AU - 3.1 AU

Year: 3205 Days

Day: 13.1 Hours

Environment

Temp: -197 °C

Axial Tilt: 33.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 50,591,286 km

• M1: 162,164 km (0.084 R)
• M2: 594,203 km (0.045 R)
• M3: 1,050,775 km (0.099 R)
• M4: 1,770,790 km (0.036 R)
• M5: 2,223,174 km (0.052 R)
• M6: 2,878,263 km (0.025 R)
• M7: 3,408,438 km (0.076 R)
• M8: 3,674,273 km (0.054 R)
• M9: 4,610,307 km (0.072 R)
• M10: 4,900,976 km (0.075 R)
• M11: 6,333,226 km (0.117 R)
• M12: 7,482,287 km (0.057 R)
• M13: 7,878,721 km (0.083 R)
• M14: 9,239,314 km (0.045 R)
• M15: 10,798,573 km (0.116 R)
• M16: 11,793,399 km (0.087 R)
• M17: 12,544,829 km (0.096 R)
• M18: 13,385,269 km (0.115 R)
• M19: 14,118,149 km (0.085 R)
• M20: 15,114,322 km (0.099 R)
• M21: 15,536,487 km (0.087 R)
• M22: 16,144,752 km (0.03 R)
• M23: 16,544,627 km (0.051 R)
• M24: 17,735,875 km (0.107 R)
• M25: 18,155,048 km (0.105 R)
• M26: 18,579,158 km (0.12 R)
• M27: 20,162,951 km (0.08 R)

Planet 5 - Gas Giant

Semi-Major Axis: 5.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 954.9

Radius: 8.1

Gravity: 14.55 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.55 AU - 7.41 AU

Year: 9442 Days

Day: 9 Hours

Environment

Temp: -228 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 50,591,286 km

• M1: 110,852 km (0.051 R)
• M2: 262,095 km (0.109 R)
• M3: 421,716 km (0.084 R)
• M4: 780,901 km (0.026 R)
• M5: 1,569,730 km (0.073 R)
• M6: 2,681,542 km (0.068 R)
• M7: 3,419,059 km (0.092 R)
• M8: 3,906,000 km (0.1 R)
• M9: 5,011,678 km (0.098 R)
• M10: 6,692,710 km (0.108 R)
• M11: 8,746,838 km (0.038 R)
• M12: 9,087,472 km (0.098 R)
• M13: 9,968,005 km (0.099 R)
• M14: 11,317,977 km (0.03 R)
• M15: 11,510,958 km (0.104 R)
• M16: 12,299,339 km (0.098 R)
• M17: 13,165,809 km (0.113 R)
• M18: 13,321,840 km (0.082 R)
• M19: 13,848,424 km (0.033 R)
• M20: 16,694,524 km (0.073 R)
• M21: 17,823,390 km (0.107 R)
• M22: 21,036,602 km (0.099 R)
• M23: 21,965,605 km (0.1 R)
• M24: 22,573,421 km (0.062 R)
• M25: 22,983,170 km (0.118 R)
• M26: 23,327,544 km (0.115 R)
• M27: 23,953,910 km (0.081 R)
• M28: 26,986,857 km (0.066 R)
• M29: 29,109,651 km (0.107 R)
• M30: 32,444,936 km (0.098 R)
• M31: 34,097,095 km (0.07 R)
• M32: 35,533,683 km (0.099 R)
• M33: 37,700,309 km (0.056 R)
• M34: 38,052,911 km (0.1 R)
• M35: 40,841,715 km (0.118 R)
• M36: 45,065,611 km (0.115 R)
• M37: 45,935,522 km (0.033 R)
• M38: 48,096,763 km (0.108 R)
• M39: 51,021,700 km (0.096 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.21 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 806.7

Radius: 5.5

Gravity: 26.67 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 5.89 AU - 6.53 AU

Year: 9992 Days

Day: 23.3 Hours

Environment

Temp: -213 °C

Axial Tilt: 32 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 50,591,286 km

• M1: 70,909 km (0.07 R)
• M2: 345,122 km (0.081 R)
• M3: 583,731 km (0.08 R)
• M4: 1,329,626 km (0.056 R)
• M5: 1,562,999 km (0.045 R)
• M6: 1,687,165 km (0.082 R)
• M7: 2,513,693 km (0.063 R)
• M8: 3,917,071 km (0.087 R)
• M9: 4,376,187 km (0.077 R)
• M10: 4,494,967 km (0.078 R)
• M11: 4,799,100 km (0.12 R)
• M12: 8,437,470 km (0.1 R)
• M13: 9,237,070 km (0.067 R)
• M14: 10,805,604 km (0.095 R)
• M15: 11,134,121 km (0.11 R)
• M16: 11,806,114 km (0.067 R)
• M17: 13,004,094 km (0.118 R)
• M18: 14,153,305 km (0.106 R)
• M19: 17,064,330 km (0.042 R)
• M20: 18,256,625 km (0.082 R)
• M21: 19,177,400 km (0.07 R)
• M22: 20,057,335 km (0.058 R)
• M23: 21,152,391 km (0.041 R)
• M24: 23,983,082 km (0.096 R)
• M25: 27,734,697 km (0.037 R)
• M26: 28,034,641 km (0.075 R)
• M27: 30,335,456 km (0.092 R)
• M28: 36,829,350 km (0.103 R)
• M29: 38,397,136 km (0.12 R)
• M30: 39,818,166 km (0.045 R)
• M31: 40,901,105 km (0.062 R)
• M32: 42,367,463 km (0.075 R)
• M33: 42,738,017 km (0.119 R)
• M34: 44,331,235 km (0.115 R)
• M35: 44,805,460 km (0.025 R)
• M36: 50,288,671 km (0.106 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 162 - 10,482 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit