🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.27 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 233.5

Radius: 8.2

Gravity: 3.47 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 0.52 AU - 0.54 AU

Year: 257 Days

Day: 8 Hours

Environment

Temp: -152 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,551,609 km

• M1: 102,026 km (0.109 R)
• M2: 363,822 km (0.042 R)
• M3: 651,499 km (0.06 R)
• M4: 1,088,773 km (0.074 R)
• M5: 1,807,292 km (0.11 R)
• M6: 2,080,757 km (0.082 R)
• M7: 2,360,056 km (0.113 R)
• M8: 2,876,318 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 490.1

Radius: 13.1

Gravity: 2.86 G

Time & Orbit

Eccentricity (e): 0.127

Orbit Range: 0.54 AU - 0.7 AU

Year: 326 Days

Day: 12.8 Hours

Environment

Temp: -156 °C

Axial Tilt: 24 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 56,551,609 km

• M1: 162,912 km (0.115 R)
• M2: 714,629 km (0.1 R)
• M3: 1,175,540 km (0.062 R)
• M4: 1,593,965 km (0.028 R)
• M5: 2,245,464 km (0.062 R)
• M6: 2,830,093 km (0.057 R)
• M7: 3,482,638 km (0.067 R)
• M8: 4,196,669 km (0.113 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 621.7

Radius: 8.6

Gravity: 8.41 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.69 AU - 0.71 AU

Year: 391 Days

Day: 6.7 Hours

Environment

Temp: -149 °C

Axial Tilt: 11.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 56,551,609 km

• M1: 106,962 km (0.114 R)
• M2: 382,971 km (0.115 R)
• M3: 789,278 km (0.12 R)
• M4: 1,397,394 km (0.052 R)
• M5: 1,841,699 km (0.054 R)
• M6: 2,110,228 km (0.048 R)
• M7: 2,951,416 km (0.081 R)
• M8: 4,130,547 km (0.116 R)
• M9: 4,724,301 km (0.082 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.54 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 562.2

Radius: 9.3

Gravity: 6.5 G

Time & Orbit

Eccentricity (e): 0.072

Orbit Range: 1.43 AU - 1.65 AU

Year: 1274 Days

Day: 10 Hours

Environment

Temp: -189 °C

Axial Tilt: 27.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 56,551,609 km

• M1: 115,639 km (0.08 R)
• M2: 505,342 km (0.106 R)
• M3: 868,565 km (0.054 R)
• M4: 1,471,893 km (0.072 R)
• M5: 1,987,258 km (0.104 R)
• M6: 2,344,797 km (0.088 R)
• M7: 3,468,875 km (0.059 R)
• M8: 4,748,536 km (0.112 R)
• M9: 5,191,645 km (0.101 R)
• M10: 7,246,072 km (0.053 R)
• M11: 7,574,739 km (0.073 R)
• M12: 7,886,800 km (0.074 R)
• M13: 8,761,648 km (0.089 R)
• M14: 9,489,143 km (0.071 R)
• M15: 10,833,728 km (0.094 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.27 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 503.1

Radius: 10.7

Gravity: 4.39 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 3.46 AU - 5.08 AU

Year: 5884 Days

Day: 14 Hours

Environment

Temp: -219 °C

Axial Tilt: 32.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 56,551,609 km

• M1: 133,142 km (0.091 R)
• M2: 525,388 km (0.087 R)
• M3: 1,603,240 km (0.088 R)
• M4: 2,520,126 km (0.088 R)
• M5: 3,497,598 km (0.105 R)
• M6: 4,238,706 km (0.097 R)
• M7: 5,357,698 km (0.096 R)
• M8: 6,279,520 km (0.097 R)
• M9: 6,861,456 km (0.111 R)
• M10: 7,234,553 km (0.074 R)
• M11: 8,133,187 km (0.111 R)
• M12: 11,607,000 km (0.089 R)
• M13: 13,510,034 km (0.066 R)
• M14: 14,097,804 km (0.118 R)
• M15: 16,022,830 km (0.082 R)
• M16: 16,864,168 km (0.062 R)
• M17: 19,905,193 km (0.098 R)
• M18: 23,370,179 km (0.09 R)
• M19: 24,373,532 km (0.104 R)
• M20: 25,164,905 km (0.074 R)
• M21: 26,054,863 km (0.076 R)
• M22: 27,471,555 km (0.117 R)
• M23: 27,983,628 km (0.102 R)
• M24: 28,676,266 km (0.102 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.48 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 891.6

Radius: 5.9

Gravity: 25.61 G

Time & Orbit

Eccentricity (e): 0.111

Orbit Range: 5.76 AU - 7.2 AU

Year: 11000 Days

Day: 23.2 Hours

Environment

Temp: -227 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 56,551,609 km

• M1: 73,453 km (0.089 R)
• M2: 261,347 km (0.094 R)
• M3: 505,641 km (0.115 R)
• M4: 750,981 km (0.118 R)
• M5: 1,157,439 km (0.102 R)
• M6: 1,607,429 km (0.057 R)
• M7: 3,479,796 km (0.113 R)
• M8: 3,691,627 km (0.119 R)
• M9: 4,199,661 km (0.06 R)
• M10: 4,626,314 km (0.091 R)
• M11: 4,882,725 km (0.099 R)
• M12: 8,649,898 km (0.085 R)
• M13: 10,172,057 km (0.067 R)
• M14: 10,387,627 km (0.103 R)
• M15: 12,224,240 km (0.114 R)
• M16: 13,282,945 km (0.093 R)
• M17: 15,018,429 km (0.063 R)
• M18: 16,012,806 km (0.088 R)
• M19: 16,231,519 km (0.045 R)
• M20: 19,094,971 km (0.086 R)
• M21: 19,923,145 km (0.029 R)
• M22: 22,733,940 km (0.114 R)
• M23: 23,010,247 km (0.114 R)
• M24: 23,382,297 km (0.065 R)
• M25: 23,663,840 km (0.037 R)
• M26: 24,715,663 km (0.11 R)
• M27: 27,429,069 km (0.106 R)
• M28: 27,952,362 km (0.12 R)
• M29: 30,894,354 km (0.087 R)
• M30: 32,966,284 km (0.064 R)
• M31: 33,202,051 km (0.099 R)
• M32: 33,796,403 km (0.079 R)
• M33: 34,884,279 km (0.068 R)
• M34: 40,946,284 km (0.087 R)
• M35: 41,492,465 km (0.068 R)
• M36: 43,160,182 km (0.077 R)
• M37: 43,725,812 km (0.119 R)
• M38: 45,016,692 km (0.104 R)
• M39: 54,114,187 km (0.106 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.61 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 574

Radius: 4.3

Gravity: 31.04 G

Time & Orbit

Eccentricity (e): 0.042

Orbit Range: 7.29 AU - 7.93 AU

Year: 13999 Days

Day: 16.1 Hours

Environment

Temp: -223 °C

Axial Tilt: 5.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 56,551,609 km

• M1: 54,005 km (0.088 R)
• M2: 326,123 km (0.095 R)
• M3: 731,982 km (0.1 R)
• M4: 1,922,183 km (0.066 R)
• M5: 2,434,556 km (0.069 R)
• M6: 2,711,461 km (0.093 R)
• M7: 2,961,888 km (0.094 R)
• M8: 5,919,289 km (0.088 R)
• M9: 6,906,036 km (0.038 R)
• M10: 7,200,894 km (0.062 R)
• M11: 7,860,919 km (0.082 R)
• M12: 9,816,911 km (0.115 R)
• M13: 17,975,531 km (0.108 R)
• M14: 22,947,865 km (0.12 R)
• M15: 24,368,446 km (0.11 R)
• M16: 24,659,563 km (0.051 R)
• M17: 26,454,439 km (0.111 R)
• M18: 27,383,741 km (0.081 R)
• M19: 37,643,911 km (0.083 R)
• M20: 51,777,469 km (0.077 R)
• M21: 54,542,037 km (0.084 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 312 - 11,184 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit