🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.48 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 833

Radius: 13.1

Gravity: 4.85 G

Time & Orbit

Eccentricity (e): 0.076

Orbit Range: 0.89 AU - 1.03 AU

Year: 617 Days

Day: 12.3 Hours

Environment

Temp: -165 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 88,359,406 km

• M1: 163,211 km (0.04 R)
• M2: 585,676 km (0.102 R)
• M3: 1,055,712 km (0.074 R)
• M4: 1,529,937 km (0.066 R)
• M5: 1,939,237 km (0.109 R)
• M6: 2,352,127 km (0.027 R)
• M7: 3,011,555 km (0.098 R)
• M8: 3,544,422 km (0.106 R)
• M9: 4,095,242 km (0.087 R)
• M10: 4,851,309 km (0.088 R)
• M11: 5,316,409 km (0.087 R)
• M12: 5,906,274 km (0.064 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.07 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 137.7

Radius: 11.9

Gravity: 0.97 G

Time & Orbit

Eccentricity (e): 0.178

Orbit Range: 0.88 AU - 1.26 AU

Year: 726 Days

Day: 7.1 Hours

Environment

Temp: -153 °C

Axial Tilt: 21.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 88,359,406 km

• M1: 148,102 km (0.069 R)
• M2: 574,157 km (0.103 R)
• M3: 1,766,452 km (0.049 R)
• M4: 2,666,432 km (0.079 R)
• M5: 3,162,200 km (0.112 R)
• M6: 4,608,213 km (0.037 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 397.7

Radius: 10.9

Gravity: 3.35 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.44 AU - 1.58 AU

Year: 1217 Days

Day: 14.2 Hours

Environment

Temp: -178 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 88,359,406 km

• M1: 135,536 km (0.034 R)
• M2: 579,991 km (0.083 R)
• M3: 1,186,760 km (0.105 R)
• M4: 1,537,118 km (0.096 R)
• M5: 1,901,090 km (0.111 R)
• M6: 2,443,980 km (0.11 R)
• M7: 2,795,535 km (0.097 R)
• M8: 3,373,133 km (0.06 R)
• M9: 3,811,305 km (0.096 R)
• M10: 4,785,187 km (0.064 R)
• M11: 5,169,504 km (0.105 R)
• M12: 5,754,282 km (0.038 R)
• M13: 6,535,632 km (0.069 R)
• M14: 7,702,346 km (0.114 R)
• M15: 8,812,511 km (0.104 R)
• M16: 9,335,805 km (0.046 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.57 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 74.2

Radius: 13

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.094

Orbit Range: 1.42 AU - 1.72 AU

Year: 1291 Days

Day: 8.4 Hours

Environment

Temp: -188 °C

Axial Tilt: 28.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,359,406 km

• M1: 161,715 km (0.092 R)
• M2: 594,053 km (0.116 R)
• M3: 1,126,322 km (0.069 R)
• M4: 1,587,084 km (0.078 R)
• M5: 2,261,621 km (0.086 R)
• M6: 2,833,384 km (0.097 R)
• M7: 3,289,807 km (0.101 R)
• M8: 3,988,578 km (0.093 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 151.5

Radius: 12.9

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.022

Orbit Range: 2.36 AU - 2.46 AU

Year: 2454 Days

Day: 5 Hours

Environment

Temp: -200 °C

Axial Tilt: 35 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 88,359,406 km

• M1: 160,369 km (0.083 R)
• M2: 770,279 km (0.051 R)
• M3: 1,772,286 km (0.12 R)
• M4: 3,323,018 km (0.109 R)
• M5: 5,517,618 km (0.106 R)
• M6: 6,800,270 km (0.116 R)
• M7: 7,537,489 km (0.058 R)
• M8: 9,258,911 km (0.1 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.08 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 840

Radius: 5.3

Gravity: 29.9 G

Time & Orbit

Eccentricity (e): 0.095

Orbit Range: 5.5 AU - 6.66 AU

Year: 9835 Days

Day: 18.5 Hours

Environment

Temp: -224 °C

Axial Tilt: 48.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 88,359,406 km

• M1: 65,973 km (0.107 R)
• M2: 650,900 km (0.103 R)
• M3: 1,008,888 km (0.117 R)
• M4: 1,301,801 km (0.09 R)
• M5: 3,955,816 km (0.069 R)
• M6: 7,567,259 km (0.097 R)
• M7: 8,134,085 km (0.119 R)
• M8: 9,302,744 km (0.114 R)
• M9: 10,106,982 km (0.101 R)
• M10: 10,793,786 km (0.062 R)
• M11: 11,176,307 km (0.11 R)
• M12: 13,163,565 km (0.089 R)
• M13: 14,305,596 km (0.104 R)
• M14: 16,069,504 km (0.038 R)
• M15: 19,376,215 km (0.062 R)
• M16: 20,186,288 km (0.06 R)
• M17: 25,144,560 km (0.072 R)
• M18: 27,598,414 km (0.07 R)
• M19: 29,039,939 km (0.115 R)
• M20: 32,976,008 km (0.103 R)
• M21: 34,480,364 km (0.118 R)
• M22: 34,834,014 km (0.115 R)
• M23: 35,788,747 km (0.108 R)
• M24: 41,220,646 km (0.118 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.53 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 330.4

Radius: 4.7

Gravity: 14.96 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 7.34 AU - 7.72 AU

Year: 13555 Days

Day: 21.7 Hours

Environment

Temp: -221 °C

Axial Tilt: 7.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,359,406 km

• M1: 58,493 km (0.108 R)
• M2: 288,425 km (0.088 R)
• M3: 509,082 km (0.111 R)
• M4: 785,538 km (0.106 R)
• M5: 1,608,028 km (0.102 R)
• M6: 2,464,027 km (0.1 R)
• M7: 5,468,401 km (0.093 R)
• M8: 6,788,751 km (0.099 R)
• M9: 10,342,598 km (0.036 R)
• M10: 11,721,442 km (0.099 R)
• M11: 12,056,242 km (0.055 R)
• M12: 12,570,410 km (0.118 R)
• M13: 14,137,747 km (0.106 R)
• M14: 15,362,205 km (0.055 R)
• M15: 20,483,988 km (0.073 R)
• M16: 23,513,644 km (0.104 R)
• M17: 29,510,873 km (0.057 R)
• M18: 34,482,160 km (0.111 R)
• M19: 40,235,095 km (0.075 R)
• M20: 42,156,082 km (0.115 R)
• M21: 42,809,675 km (0.11 R)
• M22: 43,205,211 km (0.102 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.84 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 170.9

Radius: 4.9

Gravity: 7.12 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 6.63 AU - 9.05 AU

Year: 14401 Days

Day: 15.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 84.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 88,359,406 km

• M1: 60,886 km (0.073 R)
• M2: 288,724 km (0.047 R)
• M3: 498,610 km (0.083 R)
• M4: 720,763 km (0.101 R)
• M5: 1,570,927 km (0.115 R)
• M6: 2,007,005 km (0.094 R)
• M7: 2,322,507 km (0.093 R)
• M8: 3,311,349 km (0.105 R)
• M9: 3,776,149 km (0.093 R)
• M10: 5,944,122 km (0.11 R)
• M11: 8,824,330 km (0.106 R)
• M12: 9,085,079 km (0.1 R)
• M13: 10,274,681 km (0.085 R)
• M14: 11,564,364 km (0.095 R)
• M15: 12,301,882 km (0.117 R)
• M16: 14,045,445 km (0.083 R)
• M17: 20,630,294 km (0.104 R)
• M18: 26,872,565 km (0.058 R)
• M19: 28,349,694 km (0.047 R)
• M20: 33,523,686 km (0.069 R)
• M21: 35,125,281 km (0.117 R)
• M22: 37,907,053 km (0.034 R)

Planet 9 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 386.4

Radius: 4.5

Gravity: 19.08 G

Time & Orbit

Eccentricity (e): 0.087

Orbit Range: 7.23 AU - 8.61 AU

Year: 14622 Days

Day: 22.2 Hours

Environment

Temp: -221 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 88,359,406 km

• M1: 82,129 km (0.057 R)
• M2: 881,281 km (0.118 R)
• M3: 1,104,331 km (0.087 R)
• M4: 1,545,047 km (0.099 R)
• M5: 2,941,693 km (0.083 R)
• M6: 4,456,820 km (0.052 R)
• M7: 4,952,288 km (0.109 R)
• M8: 5,978,829 km (0.059 R)
• M9: 7,221,987 km (0.106 R)
• M10: 7,600,619 km (0.088 R)
• M11: 8,125,708 km (0.087 R)
• M12: 9,296,909 km (0.089 R)
• M13: 9,744,805 km (0.092 R)
• M14: 10,416,949 km (0.043 R)
• M15: 10,954,603 km (0.094 R)
• M16: 11,968,727 km (0.097 R)
• M17: 12,678,569 km (0.063 R)
• M18: 13,541,749 km (0.113 R)
• M19: 14,246,804 km (0.103 R)
• M20: 15,247,464 km (0.113 R)
• M21: 21,989,690 km (0.111 R)
• M22: 25,088,311 km (0.051 R)
• M23: 30,047,780 km (0.071 R)
• M24: 32,585,707 km (0.098 R)
• M25: 33,041,083 km (0.07 R)
• M26: 33,500,798 km (0.058 R)
• M27: 33,848,463 km (0.057 R)
• M28: 37,333,345 km (0.08 R)
• M29: 38,461,613 km (0.102 R)
• M30: 40,917,710 km (0.12 R)
• M31: 45,005,622 km (0.087 R)

Planet 10 - Ice Giant

Semi-Major Axis: 10.4 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 886.4

Radius: 5.5

Gravity: 29.3 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 9.9 AU - 10.9 AU

Year: 22002 Days

Day: 20.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 88,359,406 km

• M1: 68,366 km (0.103 R)
• M2: 343,178 km (0.069 R)
• M3: 774,767 km (0.085 R)
• M4: 983,157 km (0.111 R)
• M5: 1,243,757 km (0.063 R)
• M6: 3,071,394 km (0.062 R)
• M7: 3,328,702 km (0.114 R)
• M8: 4,799,249 km (0.102 R)
• M9: 5,890,267 km (0.099 R)
• M10: 6,846,047 km (0.09 R)
• M11: 7,285,865 km (0.112 R)
• M12: 8,221,600 km (0.113 R)
• M13: 9,411,651 km (0.087 R)
• M14: 9,832,619 km (0.075 R)
• M15: 11,371,832 km (0.106 R)
• M16: 13,212,933 km (0.042 R)
• M17: 14,677,795 km (0.053 R)
• M18: 17,029,174 km (0.105 R)
• M19: 18,854,568 km (0.098 R)
• M20: 20,705,991 km (0.049 R)
• M21: 21,212,529 km (0.095 R)
• M22: 23,322,009 km (0.108 R)
• M23: 30,093,407 km (0.084 R)
• M24: 31,802,413 km (0.034 R)
• M25: 32,885,651 km (0.079 R)
• M26: 33,160,313 km (0.039 R)
• M27: 34,274,219 km (0.054 R)
• M28: 37,764,935 km (0.081 R)
• M29: 38,520,853 km (0.078 R)
• M30: 41,806,172 km (0.103 R)
• M31: 49,285,467 km (0.092 R)
• M32: 52,398,898 km (0.046 R)
• M33: 52,585,896 km (0.086 R)
• M34: 53,718,052 km (0.078 R)
• M35: 58,610,202 km (0.09 R)
• M36: 61,683,540 km (0.076 R)
• M37: 68,372,211 km (0.099 R)
• M38: 76,486,250 km (0.112 R)
• M39: 77,938,845 km (0.072 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 349 - 18,599 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit