🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 452.3

Radius: 14.9

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.64 AU - 0.74 AU

Year: 364 Days

Day: 13.1 Hours

Environment

Temp: -135 °C

Axial Tilt: 25.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 82,582,840 km

• M1: 185,352 km (0.081 R)
• M2: 651,200 km (0.082 R)
• M3: 1,296,714 km (0.112 R)
• M4: 1,991,148 km (0.061 R)
• M5: 3,054,489 km (0.059 R)
• M6: 3,647,196 km (0.049 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.79 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 638.3

Radius: 8.2

Gravity: 9.49 G

Time & Orbit

Eccentricity (e): 0.154

Orbit Range: 0.67 AU - 0.91 AU

Year: 446 Days

Day: 12.3 Hours

Environment

Temp: -140 °C

Axial Tilt: 2.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 82,582,840 km

• M1: 102,175 km (0.097 R)
• M2: 383,569 km (0.049 R)
• M3: 734,376 km (0.05 R)
• M4: 1,013,675 km (0.113 R)
• M5: 1,279,062 km (0.115 R)
• M6: 1,584,541 km (0.115 R)
• M7: 1,906,475 km (0.072 R)
• M8: 2,807,503 km (0.054 R)
• M9: 3,190,474 km (0.117 R)
• M10: 3,472,765 km (0.114 R)
• M11: 3,980,799 km (0.101 R)
• M12: 5,288,883 km (0.092 R)
• M13: 5,568,182 km (0.082 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.85 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 213.1

Radius: 13.2

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.128

Orbit Range: 0.74 AU - 0.96 AU

Year: 498 Days

Day: 10 Hours

Environment

Temp: -150 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 82,582,840 km

• M1: 164,258 km (0.116 R)
• M2: 623,674 km (0.075 R)
• M3: 1,042,548 km (0.076 R)
• M4: 1,525,001 km (0.09 R)
• M5: 2,275,384 km (0.093 R)
• M6: 3,291,901 km (0.103 R)
• M7: 3,874,884 km (0.032 R)
• M8: 4,372,447 km (0.072 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.4

Radius: 12.5

Gravity: 3.11 G

Time & Orbit

Eccentricity (e): 0.114

Orbit Range: 0.96 AU - 1.2 AU

Year: 714 Days

Day: 11 Hours

Environment

Temp: -157 °C

Axial Tilt: 20.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 82,582,840 km

• M1: 169,494 km (0.09 R)
• M2: 606,021 km (0.052 R)
• M3: 1,094,009 km (0.092 R)
• M4: 2,034,531 km (0.111 R)
• M5: 2,625,592 km (0.092 R)
• M6: 3,061,969 km (0.119 R)
• M7: 3,733,215 km (0.095 R)
• M8: 4,214,022 km (0.112 R)
• M9: 4,609,559 km (0.065 R)
• M10: 5,528,988 km (0.085 R)
• M11: 6,830,489 km (0.085 R)
• M12: 7,228,420 km (0.046 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33

Radius: 13.8

Gravity: 0.17 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.43 AU - 1.69 AU

Year: 1239 Days

Day: 5.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 0.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 82,582,840 km

• M1: 182,360 km (0.103 R)
• M2: 730,337 km (0.116 R)
• M3: 1,824,496 km (0.051 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.29 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 569.8

Radius: 11.4

Gravity: 4.38 G

Time & Orbit

Eccentricity (e): 0.147

Orbit Range: 1.95 AU - 2.63 AU

Year: 2203 Days

Day: 12 Hours

Environment

Temp: -188 °C

Axial Tilt: 23.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 82,582,840 km

• M1: 142,118 km (0.115 R)
• M2: 608,863 km (0.118 R)
• M3: 1,465,311 km (0.079 R)
• M4: 2,001,769 km (0.101 R)
• M5: 2,420,942 km (0.045 R)
• M6: 2,989,564 km (0.073 R)
• M7: 4,084,022 km (0.101 R)
• M8: 4,496,164 km (0.061 R)
• M9: 5,313,417 km (0.094 R)
• M10: 6,937,452 km (0.12 R)
• M11: 7,613,784 km (0.074 R)
• M12: 7,998,101 km (0.094 R)
• M13: 8,457,815 km (0.068 R)
• M14: 8,838,093 km (0.109 R)
• M15: 9,667,463 km (0.094 R)
• M16: 10,083,495 km (0.09 R)
• M17: 11,635,124 km (0.111 R)
• M18: 12,066,564 km (0.117 R)
• M19: 13,382,726 km (0.099 R)
• M20: 14,431,108 km (0.106 R)
• M21: 15,299,225 km (0.116 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.14 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 522.6

Radius: 3.9

Gravity: 34.36 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 5.21 AU - 7.07 AU

Year: 9674 Days

Day: 18.6 Hours

Environment

Temp: -227 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (36)

Outer Limit: 82,582,840 km

• M1: 48,470 km (0.075 R)
• M2: 306,526 km (0.109 R)
• M3: 677,828 km (0.096 R)
• M4: 800,648 km (0.12 R)
• M5: 1,250,638 km (0.038 R)
• M6: 1,450,651 km (0.12 R)
• M7: 1,686,267 km (0.035 R)
• M8: 2,490,505 km (0.083 R)
• M9: 3,522,431 km (0.101 R)
• M10: 3,644,204 km (0.089 R)
• M11: 4,240,950 km (0.114 R)
• M12: 4,991,034 km (0.079 R)
• M13: 5,758,321 km (0.112 R)
• M14: 7,167,982 km (0.047 R)
• M15: 7,324,461 km (0.103 R)
• M16: 7,644,152 km (0.089 R)
• M17: 8,183,602 km (0.076 R)
• M18: 8,354,592 km (0.119 R)
• M19: 8,484,294 km (0.058 R)
• M20: 8,659,473 km (0.036 R)
• M21: 11,963,641 km (0.109 R)
• M22: 12,918,674 km (0.079 R)
• M23: 13,503,601 km (0.088 R)
• M24: 14,538,071 km (0.038 R)
• M25: 16,153,877 km (0.109 R)
• M26: 17,109,060 km (0.114 R)
• M27: 17,813,965 km (0.104 R)
• M28: 21,549,573 km (0.113 R)
• M29: 25,140,521 km (0.076 R)
• M30: 30,521,257 km (0.091 R)
• M31: 31,871,677 km (0.084 R)
• M32: 35,251,242 km (0.106 R)
• M33: 36,275,389 km (0.062 R)
• M34: 36,969,075 km (0.086 R)
• M35: 39,345,287 km (0.074 R)
• M36: 41,569,060 km (0.092 R)

Planet 8 - Ice Giant

Semi-Major Axis: 11.04 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644

Radius: 7

Gravity: 13.14 G

Time & Orbit

Eccentricity (e): 0.248

Orbit Range: 8.3 AU - 13.78 AU

Year: 23323 Days

Day: 24.1 Hours

Environment

Temp: -235 °C

Axial Tilt: 27.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 82,582,840 km

• M1: 164,707 km (0.048 R)
• M2: 382,522 km (0.098 R)
• M3: 1,270,834 km (0.1 R)
• M4: 1,587,832 km (0.071 R)
• M5: 1,840,353 km (0.114 R)
• M6: 2,641,001 km (0.091 R)
• M7: 3,416,067 km (0.034 R)
• M8: 5,406,467 km (0.072 R)
• M9: 5,856,308 km (0.079 R)
• M10: 7,504,727 km (0.102 R)
• M11: 10,461,080 km (0.105 R)
• M12: 12,648,949 km (0.078 R)
• M13: 15,045,357 km (0.083 R)
• M14: 17,202,858 km (0.101 R)
• M15: 17,906,117 km (0.083 R)
• M16: 20,131,086 km (0.12 R)
• M17: 30,495,077 km (0.069 R)
• M18: 37,165,197 km (0.046 R)
• M19: 51,288,134 km (0.089 R)
• M20: 54,223,693 km (0.113 R)
• M21: 54,974,674 km (0.061 R)
• M22: 68,825,642 km (0.07 R)
• M23: 71,939,522 km (0.048 R)
• M24: 80,375,495 km (0.11 R)

Kuiper Belt

Range: 30 - 51 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 425 - 14,729 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit