🌌 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: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 163.6

Radius: 13.3

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 0.44 AU - 0.58 AU

Year: 243 Days

Day: 13.7 Hours

Environment

Temp: -132 °C

Axial Tilt: 13.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,505,020 km

• M1: 197,619 km (0.053 R)
• M2: 761,603 km (0.045 R)
• M3: 1,253,630 km (0.109 R)
• M4: 2,363,946 km (0.03 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.7

Radius: 13.6

Gravity: 0.6 G

Time & Orbit

Eccentricity (e): 0.014

Orbit Range: 0.55 AU - 0.57 AU

Year: 279 Days

Day: 7.2 Hours

Environment

Temp: -142 °C

Axial Tilt: 38.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (2)

Outer Limit: 67,505,020 km

• M1: 169,195 km (0.094 R)
• M2: 838,346 km (0.086 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 417.5

Radius: 13.8

Gravity: 2.19 G

Time & Orbit

Eccentricity (e): 0.13

Orbit Range: 0.7 AU - 0.92 AU

Year: 486 Days

Day: 15 Hours

Environment

Temp: -170 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 67,505,020 km

• M1: 171,589 km (0.067 R)
• M2: 747,690 km (0.065 R)
• M3: 1,221,018 km (0.12 R)
• M4: 1,841,699 km (0.085 R)
• M5: 2,602,105 km (0.105 R)
• M6: 3,780,338 km (0.116 R)
• M7: 4,306,773 km (0.094 R)
• M8: 4,852,656 km (0.071 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 65.5

Radius: 9.5

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.053

Orbit Range: 1.28 AU - 1.42 AU

Year: 1046 Days

Day: 7.1 Hours

Environment

Temp: -192 °C

Axial Tilt: 20 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (4)

Outer Limit: 67,505,020 km

• M1: 118,182 km (0.1 R)
• M2: 464,950 km (0.067 R)
• M3: 2,982,832 km (0.078 R)
• M4: 3,533,352 km (0.105 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 468

Radius: 12.4

Gravity: 3.04 G

Time & Orbit

Eccentricity (e): 0.047

Orbit Range: 1.42 AU - 1.56 AU

Year: 1213 Days

Day: 14.3 Hours

Environment

Temp: -188 °C

Axial Tilt: 0.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,505,020 km

• M1: 162,463 km (0.094 R)
• M2: 744,848 km (0.05 R)
• M3: 1,218,923 km (0.113 R)
• M4: 1,785,600 km (0.11 R)
• M5: 2,268,353 km (0.06 R)
• M6: 2,763,372 km (0.098 R)
• M7: 3,560,280 km (0.041 R)
• M8: 4,101,974 km (0.047 R)
• M9: 4,734,025 km (0.103 R)
• M10: 5,711,198 km (0.112 R)
• M11: 6,749,258 km (0.099 R)
• M12: 7,241,285 km (0.069 R)
• M13: 8,863,225 km (0.055 R)
• M14: 9,483,009 km (0.12 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.55 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 379.7

Radius: 14.9

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 1.37 AU - 1.73 AU

Year: 1287 Days

Day: 9.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 31.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 67,505,020 km

• M1: 185,501 km (0.09 R)
• M2: 708,944 km (0.102 R)
• M3: 1,267,992 km (0.118 R)
• M4: 1,806,394 km (0.09 R)
• M5: 2,302,461 km (0.117 R)
• M6: 2,804,062 km (0.074 R)
• M7: 3,296,389 km (0.064 R)
• M8: 3,986,035 km (0.112 R)
• M9: 4,612,850 km (0.118 R)
• M10: 5,537,664 km (0.058 R)
• M11: 6,086,689 km (0.12 R)
• M12: 7,342,712 km (0.073 R)
• M13: 8,160,115 km (0.075 R)
• M14: 9,231,685 km (0.104 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 822.6

Radius: 10.9

Gravity: 6.92 G

Time & Orbit

Eccentricity (e): 0.083

Orbit Range: 2.4 AU - 2.84 AU

Year: 2828 Days

Day: 5.9 Hours

Environment

Temp: -201 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 67,505,020 km

• M1: 135,536 km (0.082 R)
• M2: 560,244 km (0.032 R)
• M3: 1,054,964 km (0.099 R)
• M4: 2,110,228 km (0.073 R)
• M5: 2,518,181 km (0.098 R)
• M6: 3,185,387 km (0.101 R)
• M7: 3,532,604 km (0.087 R)
• M8: 4,133,240 km (0.104 R)
• M9: 7,055,784 km (0.108 R)
• M10: 8,009,769 km (0.086 R)
• M11: 8,833,156 km (0.073 R)
• M12: 9,338,946 km (0.045 R)
• M13: 10,133,909 km (0.045 R)
• M14: 10,769,401 km (0.045 R)
• M15: 11,686,286 km (0.095 R)
• M16: 14,550,637 km (0.108 R)
• M17: 14,951,559 km (0.04 R)
• M18: 16,412,981 km (0.039 R)
• M19: 17,289,624 km (0.114 R)
• M20: 18,082,194 km (0.107 R)
• M21: 19,557,378 km (0.077 R)
• M22: 21,755,270 km (0.092 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.41 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 302.5

Radius: 14.7

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.017

Orbit Range: 3.35 AU - 3.47 AU

Year: 4199 Days

Day: 8.7 Hours

Environment

Temp: -211 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 67,505,020 km

• M1: 182,809 km (0.068 R)
• M2: 911,799 km (0.103 R)
• M3: 1,664,426 km (0.112 R)
• M4: 2,969,817 km (0.034 R)
• M5: 3,557,886 km (0.105 R)
• M6: 5,135,396 km (0.05 R)
• M7: 6,067,989 km (0.118 R)
• M8: 7,170,675 km (0.118 R)
• M9: 7,785,971 km (0.081 R)
• M10: 9,193,537 km (0.099 R)
• M11: 11,698,254 km (0.034 R)
• M12: 12,906,407 km (0.072 R)
• M13: 13,633,303 km (0.116 R)
• M14: 14,387,426 km (0.089 R)
• M15: 14,872,721 km (0.101 R)
• M16: 15,419,202 km (0.109 R)
• M17: 18,130,215 km (0.113 R)
• M18: 18,697,041 km (0.103 R)
• M19: 19,158,850 km (0.094 R)
• M20: 20,105,505 km (0.116 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.91 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.2

Radius: 9.4

Gravity: 2.12 G

Time & Orbit

Eccentricity (e): 0.202

Orbit Range: 3.92 AU - 5.9 AU

Year: 7255 Days

Day: 5.4 Hours

Environment

Temp: -228 °C

Axial Tilt: 48.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 67,505,020 km

• M1: 116,986 km (0.075 R)
• M2: 507,436 km (0.115 R)
• M3: 890,855 km (0.041 R)
• M4: 2,063,104 km (0.097 R)
• M5: 2,813,038 km (0.097 R)
• M6: 3,148,886 km (0.102 R)
• M7: 3,591,546 km (0.065 R)
• M8: 4,601,780 km (0.112 R)
• M9: 7,336,579 km (0.103 R)
• M10: 8,012,013 km (0.099 R)
• M11: 9,026,436 km (0.114 R)
• M12: 11,663,398 km (0.111 R)
• M13: 12,348,706 km (0.116 R)
• M14: 13,749,540 km (0.117 R)
• M15: 14,153,903 km (0.117 R)
• M16: 15,199,742 km (0.083 R)
• M17: 17,152,593 km (0.029 R)
• M18: 20,354,585 km (0.117 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.31 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 533.2

Radius: 6.5

Gravity: 12.62 G

Time & Orbit

Eccentricity (e): 0.101

Orbit Range: 8.37 AU - 10.25 AU

Year: 18943 Days

Day: 23.2 Hours

Environment

Temp: -235 °C

Axial Tilt: 11.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 67,505,020 km

• M1: 81,531 km (0.06 R)
• M2: 312,959 km (0.057 R)
• M3: 604,226 km (0.099 R)
• M4: 922,720 km (0.03 R)
• M5: 1,513,930 km (0.08 R)
• M6: 3,988,728 km (0.095 R)
• M7: 4,899,929 km (0.09 R)
• M8: 5,184,015 km (0.082 R)
• M9: 6,390,223 km (0.088 R)
• M10: 12,765,486 km (0.115 R)
• M11: 21,563,037 km (0.102 R)
• M12: 22,715,240 km (0.094 R)
• M13: 25,668,601 km (0.064 R)
• M14: 27,736,343 km (0.119 R)
• M15: 31,223,320 km (0.047 R)
• M16: 35,384,534 km (0.101 R)
• M17: 46,657,930 km (0.088 R)

Kuiper Belt

Range: 30 - 48 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 176 - 12,805 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit