🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 772.3

Radius: 12.2

Gravity: 5.19 G

Time & Orbit

Eccentricity (e): 0.123

Orbit Range: 0.51 AU - 0.65 AU

Year: 305 Days

Day: 9.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 16.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 95,418,171 km

• M1: 152,590 km (0.047 R)
• M2: 575,802 km (0.085 R)
• M3: 988,992 km (0.11 R)
• M4: 1,465,162 km (0.049 R)
• M5: 2,157,800 km (0.095 R)
• M6: 3,636,575 km (0.104 R)
• M7: 4,044,827 km (0.1 R)
• M8: 4,456,969 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 639.6

Radius: 8.4

Gravity: 9.06 G

Time & Orbit

Eccentricity (e): 0.062

Orbit Range: 1.02 AU - 1.16 AU

Year: 786 Days

Day: 12 Hours

Environment

Temp: -178 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 95,418,171 km

• M1: 109,356 km (0.106 R)
• M2: 477,816 km (0.118 R)
• M3: 883,076 km (0.092 R)
• M4: 1,277,416 km (0.027 R)
• M5: 1,627,326 km (0.118 R)
• M6: 2,340,159 km (0.072 R)
• M7: 3,016,043 km (0.098 R)
• M8: 3,379,565 km (0.118 R)
• M9: 3,772,110 km (0.045 R)
• M10: 4,040,489 km (0.096 R)
• M11: 5,046,235 km (0.107 R)
• M12: 5,752,188 km (0.091 R)
• M13: 6,417,150 km (0.111 R)
• M14: 7,336,429 km (0.045 R)
• M15: 7,827,709 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 607.4

Radius: 13.7

Gravity: 3.24 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 1.1 AU - 1.32 AU

Year: 919 Days

Day: 9.2 Hours

Environment

Temp: -182 °C

Axial Tilt: 135.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 95,418,171 km

• M1: 170,392 km (0.079 R)
• M2: 651,948 km (0.104 R)
• M3: 1,472,193 km (0.032 R)
• M4: 2,428,721 km (0.09 R)
• M5: 2,902,049 km (0.082 R)
• M6: 3,663,951 km (0.107 R)
• M7: 4,227,486 km (0.099 R)
• M8: 4,990,585 km (0.095 R)
• M9: 6,046,148 km (0.109 R)
• M10: 6,681,938 km (0.059 R)
• M11: 7,409,134 km (0.066 R)
• M12: 7,889,941 km (0.097 R)
• M13: 8,391,543 km (0.077 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 98.2

Radius: 8

Gravity: 1.53 G

Time & Orbit

Eccentricity (e): 0.163

Orbit Range: 1.88 AU - 2.62 AU

Year: 2330 Days

Day: 6.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 43.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 95,418,171 km

• M1: 111,600 km (0.059 R)
• M2: 509,381 km (0.12 R)
• M3: 1,087,726 km (0.111 R)
• M4: 1,383,182 km (0.098 R)
• M5: 1,981,125 km (0.1 R)
• M6: 6,928,177 km (0.087 R)
• M7: 8,440,611 km (0.092 R)
• M8: 8,810,567 km (0.083 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.6

Radius: 8.2

Gravity: 5.11 G

Time & Orbit

Eccentricity (e): 0.073

Orbit Range: 3.84 AU - 4.44 AU

Year: 5814 Days

Day: 11.5 Hours

Environment

Temp: -221 °C

Axial Tilt: 28.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 95,418,171 km

• M1: 106,065 km (0.082 R)
• M2: 449,392 km (0.112 R)
• M3: 1,009,187 km (0.118 R)
• M4: 1,506,899 km (0.085 R)
• M5: 1,897,051 km (0.073 R)
• M6: 2,203,277 km (0.101 R)
• M7: 3,268,863 km (0.097 R)
• M8: 3,904,654 km (0.1 R)
• M9: 4,286,877 km (0.081 R)
• M10: 6,400,844 km (0.042 R)
• M11: 9,803,298 km (0.091 R)
• M12: 14,462,225 km (0.092 R)
• M13: 15,822,817 km (0.059 R)
• M14: 16,332,946 km (0.092 R)
• M15: 17,266,885 km (0.117 R)
• M16: 18,859,804 km (0.102 R)
• M17: 25,514,066 km (0.094 R)

Planet 6 - Gas Giant

Semi-Major Axis: 5.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 307

Radius: 9.7

Gravity: 3.26 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 4.63 AU - 5.55 AU

Year: 7927 Days

Day: 9.1 Hours

Environment

Temp: -234 °C

Axial Tilt: 28.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 95,418,171 km

• M1: 121,623 km (0.027 R)
• M2: 651,948 km (0.109 R)
• M3: 1,497,325 km (0.034 R)
• M4: 1,977,085 km (0.118 R)
• M5: 2,439,343 km (0.104 R)
• M6: 3,226,976 km (0.072 R)
• M7: 3,691,178 km (0.095 R)
• M8: 4,032,710 km (0.11 R)
• M9: 5,616,951 km (0.114 R)
• M10: 6,164,180 km (0.048 R)
• M11: 6,948,671 km (0.118 R)
• M12: 7,543,622 km (0.119 R)
• M13: 8,402,164 km (0.089 R)
• M14: 9,874,806 km (0.066 R)
• M15: 11,608,645 km (0.072 R)
• M16: 14,745,413 km (0.079 R)
• M17: 19,273,142 km (0.037 R)
• M18: 20,872,344 km (0.106 R)
• M19: 21,376,040 km (0.092 R)
• M20: 23,861,010 km (0.091 R)
• M21: 24,332,692 km (0.109 R)
• M22: 27,294,281 km (0.079 R)
• M23: 28,596,381 km (0.033 R)
• M24: 31,136,852 km (0.052 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 436.3

Radius: 8.5

Gravity: 6.04 G

Time & Orbit

Eccentricity (e): 0.117

Orbit Range: 4.54 AU - 5.74 AU

Year: 8044 Days

Day: 9 Hours

Environment

Temp: -215 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 95,418,171 km

• M1: 105,915 km (0.059 R)
• M2: 709,393 km (0.087 R)
• M3: 1,009,486 km (0.112 R)
• M4: 1,304,194 km (0.097 R)
• M5: 2,135,210 km (0.116 R)
• M6: 3,455,711 km (0.108 R)
• M7: 3,989,925 km (0.108 R)
• M8: 4,419,271 km (0.052 R)
• M9: 4,713,231 km (0.104 R)
• M10: 4,991,782 km (0.082 R)
• M11: 11,092,084 km (0.085 R)
• M12: 14,575,620 km (0.071 R)
• M13: 25,008,725 km (0.104 R)
• M14: 26,205,209 km (0.106 R)
• M15: 27,350,081 km (0.084 R)
• M16: 31,669,121 km (0.118 R)
• M17: 33,373,939 km (0.102 R)
• M18: 35,669,967 km (0.037 R)

Planet 8 - Ice Giant

Semi-Major Axis: 5.93 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 947.9

Radius: 6.7

Gravity: 21.12 G

Time & Orbit

Eccentricity (e): 0.247

Orbit Range: 4.47 AU - 7.39 AU

Year: 9968 Days

Day: 22.7 Hours

Environment

Temp: -234 °C

Axial Tilt: 36.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 95,418,171 km

• M1: 89,908 km (0.089 R)
• M2: 354,098 km (0.076 R)
• M3: 1,073,664 km (0.101 R)
• M4: 1,341,295 km (0.085 R)
• M5: 1,730,847 km (0.061 R)
• M6: 2,424,084 km (0.099 R)
• M7: 3,049,702 km (0.094 R)
• M8: 3,338,127 km (0.113 R)
• M9: 4,709,790 km (0.112 R)
• M10: 6,421,040 km (0.049 R)
• M11: 10,094,864 km (0.119 R)
• M12: 10,846,893 km (0.114 R)
• M13: 11,124,247 km (0.107 R)
• M14: 12,281,536 km (0.058 R)
• M15: 12,582,976 km (0.048 R)
• M16: 14,164,674 km (0.071 R)
• M17: 14,900,995 km (0.099 R)
• M18: 16,304,672 km (0.11 R)
• M19: 17,187,898 km (0.055 R)
• M20: 18,258,271 km (0.113 R)
• M21: 19,291,244 km (0.114 R)
• M22: 19,946,034 km (0.06 R)
• M23: 20,446,738 km (0.083 R)
• M24: 23,443,782 km (0.097 R)
• M25: 23,721,435 km (0.079 R)
• M26: 26,923,129 km (0.071 R)
• M27: 28,679,707 km (0.097 R)
• M28: 28,891,388 km (0.104 R)
• M29: 30,073,660 km (0.111 R)
• M30: 30,731,891 km (0.09 R)
• M31: 35,126,029 km (0.104 R)
• M32: 36,969,972 km (0.109 R)
• M33: 38,619,588 km (0.119 R)
• M34: 42,337,843 km (0.047 R)
• M35: 45,853,393 km (0.096 R)
• M36: 52,032,084 km (0.117 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 979.7

Radius: 3.4

Gravity: 84.75 G

Time & Orbit

Eccentricity (e): 0.211

Orbit Range: 8.28 AU - 12.72 AU

Year: 23485 Days

Day: 20.8 Hours

Environment

Temp: -246 °C

Axial Tilt: 12.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (45)

Outer Limit: 95,418,171 km

• M1: 42,336 km (0.053 R)
• M2: 237,711 km (0.115 R)
• M3: 370,704 km (0.061 R)
• M4: 851,960 km (0.092 R)
• M5: 1,479,523 km (0.116 R)
• M6: 2,004,312 km (0.099 R)
• M7: 3,377,172 km (0.088 R)
• M8: 3,628,048 km (0.069 R)
• M9: 5,743,511 km (0.08 R)
• M10: 6,146,378 km (0.1 R)
• M11: 6,908,579 km (0.067 R)
• M12: 7,108,442 km (0.074 R)
• M13: 7,261,032 km (0.097 R)
• M14: 7,519,986 km (0.098 R)
• M15: 7,731,667 km (0.059 R)
• M16: 11,058,275 km (0.104 R)
• M17: 11,821,822 km (0.062 R)
• M18: 12,398,672 km (0.117 R)
• M19: 14,081,348 km (0.065 R)
• M20: 16,435,420 km (0.086 R)
• M21: 18,844,395 km (0.088 R)
• M22: 24,463,141 km (0.045 R)
• M23: 26,234,829 km (0.05 R)
• M24: 27,213,947 km (0.089 R)
• M25: 27,462,429 km (0.083 R)
• M26: 28,727,878 km (0.082 R)
• M27: 34,322,838 km (0.086 R)
• M28: 39,162,778 km (0.117 R)
• M29: 42,241,352 km (0.089 R)
• M30: 46,888,012 km (0.075 R)
• M31: 49,610,843 km (0.067 R)
• M32: 52,054,374 km (0.113 R)
• M33: 57,997,000 km (0.113 R)
• M34: 59,864,131 km (0.101 R)
• M35: 61,130,926 km (0.068 R)
• M36: 62,200,102 km (0.096 R)
• M37: 62,415,373 km (0.113 R)
• M38: 65,482,429 km (0.099 R)
• M39: 70,736,605 km (0.087 R)
• M40: 74,552,847 km (0.081 R)
• M41: 77,503,366 km (0.183 R)
• M42: 79,007,423 km (0.222 R)
• M43: 81,557,169 km (0.1 R)
• M44: 92,866,169 km (0.091 R)
• M45: 93,711,697 km (0.04 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 434 - 20,185 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit