🌌 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: 651.9

Radius: 10.9

Gravity: 5.49 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 0.47 AU - 0.55 AU

Year: 247 Days

Day: 8.5 Hours

Environment

Temp: -143 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,867,158 km

• M1: 135,536 km (0.065 R)
• M2: 509,231 km (0.118 R)
• M3: 917,035 km (0.104 R)
• M4: 1,256,473 km (0.037 R)
• M5: 1,851,722 km (0.113 R)
• M6: 2,196,396 km (0.095 R)
• M7: 2,636,064 km (0.117 R)
• M8: 3,134,225 km (0.075 R)
• M9: 3,500,590 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.56 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 809

Radius: 11

Gravity: 6.69 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 0.55 AU - 0.57 AU

Year: 284 Days

Day: 11 Hours

Environment

Temp: -139 °C

Axial Tilt: 9.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,867,158 km

• M1: 136,732 km (0.087 R)
• M2: 535,112 km (0.12 R)
• M3: 1,181,973 km (0.068 R)
• M4: 1,655,151 km (0.073 R)
• M5: 2,031,389 km (0.059 R)
• M6: 2,413,163 km (0.047 R)
• M7: 3,031,002 km (0.058 R)
• M8: 3,669,935 km (0.065 R)
• M9: 4,462,654 km (0.042 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.73 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 242.2

Radius: 10

Gravity: 2.42 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 0.56 AU - 0.9 AU

Year: 423 Days

Day: 12.5 Hours

Environment

Temp: -152 °C

Axial Tilt: 10.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 72,867,158 km

• M1: 124,615 km (0.101 R)
• M2: 777,460 km (0.084 R)
• M3: 1,098,647 km (0.118 R)
• M4: 1,412,653 km (0.119 R)
• M5: 2,018,225 km (0.115 R)
• M6: 2,515,039 km (0.102 R)
• M7: 2,853,280 km (0.037 R)
• M8: 3,428,484 km (0.046 R)
• M9: 3,868,900 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991.7

Radius: 14.8

Gravity: 4.53 G

Time & Orbit

Eccentricity (e): 0.06

Orbit Range: 0.76 AU - 0.86 AU

Year: 494 Days

Day: 7.3 Hours

Environment

Temp: -155 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 72,867,158 km

• M1: 184,005 km (0.071 R)
• M2: 650,152 km (0.108 R)
• M3: 1,173,745 km (0.067 R)
• M4: 1,768,696 km (0.117 R)
• M5: 2,373,969 km (0.116 R)
• M6: 2,852,981 km (0.115 R)
• M7: 3,460,348 km (0.091 R)
• M8: 4,465,197 km (0.09 R)
• M9: 5,086,477 km (0.117 R)
• M10: 6,989,213 km (0.115 R)

Planet 5 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 52.9

Radius: 9.1

Gravity: 0.64 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 0.93 AU - 0.99 AU

Year: 638 Days

Day: 9.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 18 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (5)

Outer Limit: 72,867,158 km

• M1: 113,246 km (0.111 R)
• M2: 772,523 km (0.088 R)
• M3: 1,085,033 km (0.078 R)
• M4: 2,004,462 km (0.097 R)
• M5: 2,368,433 km (0.054 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 876.4

Radius: 12.4

Gravity: 5.7 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.94 AU - 1.24 AU

Year: 772 Days

Day: 9 Hours

Environment

Temp: -185 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 72,867,158 km

• M1: 154,535 km (0.112 R)
• M2: 555,457 km (0.106 R)
• M3: 960,867 km (0.07 R)
• M4: 1,535,622 km (0.076 R)
• M5: 1,964,669 km (0.114 R)
• M6: 2,644,142 km (0.038 R)
• M7: 3,071,843 km (0.112 R)
• M8: 3,749,072 km (0.052 R)
• M9: 4,390,398 km (0.052 R)
• M10: 5,030,827 km (0.119 R)
• M11: 5,832,522 km (0.102 R)
• M12: 6,784,263 km (0.114 R)
• M13: 7,262,528 km (0.105 R)
• M14: 8,492,522 km (0.058 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.59 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.6

Radius: 9

Gravity: 0.67 G

Time & Orbit

Eccentricity (e): 0.144

Orbit Range: 1.36 AU - 1.82 AU

Year: 1360 Days

Day: 10.8 Hours

Environment

Temp: -192 °C

Axial Tilt: 1.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 72,867,158 km

• M1: 111,899 km (0.106 R)
• M2: 402,867 km (0.115 R)
• M3: 837,449 km (0.082 R)
• M4: 1,579,305 km (0.105 R)
• M5: 2,457,444 km (0.106 R)
• M6: 4,692,885 km (0.119 R)

Planet 8 - Gas Giant

Semi-Major Axis: 2.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 702.3

Radius: 8.7

Gravity: 9.28 G

Time & Orbit

Eccentricity (e): 0.115

Orbit Range: 2.4 AU - 3.02 AU

Year: 3026 Days

Day: 9.2 Hours

Environment

Temp: -213 °C

Axial Tilt: 3.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 72,867,158 km

• M1: 108,309 km (0.119 R)
• M2: 385,963 km (0.084 R)
• M3: 676,033 km (0.05 R)
• M4: 1,188,405 km (0.1 R)
• M5: 2,070,285 km (0.11 R)
• M6: 2,520,425 km (0.065 R)
• M7: 2,933,165 km (0.119 R)
• M8: 3,209,024 km (0.069 R)
• M9: 3,793,802 km (0.074 R)
• M10: 4,293,908 km (0.117 R)
• M11: 5,052,518 km (0.077 R)
• M12: 5,710,899 km (0.084 R)
• M13: 6,033,581 km (0.116 R)
• M14: 6,425,378 km (0.087 R)
• M15: 8,232,520 km (0.094 R)
• M16: 11,627,644 km (0.119 R)
• M17: 12,016,000 km (0.069 R)
• M18: 12,909,847 km (0.064 R)
• M19: 16,174,821 km (0.066 R)
• M20: 18,054,518 km (0.106 R)
• M21: 18,869,228 km (0.107 R)
• M22: 19,952,466 km (0.108 R)

Planet 9 - Gas Giant

Semi-Major Axis: 3.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 319.6

Radius: 12.3

Gravity: 2.11 G

Time & Orbit

Eccentricity (e): 0.069

Orbit Range: 2.94 AU - 3.38 AU

Year: 3810 Days

Day: 6.1 Hours

Environment

Temp: -224 °C

Axial Tilt: 26 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 72,867,158 km

• M1: 153,039 km (0.108 R)
• M2: 538,852 km (0.114 R)
• M3: 935,286 km (0.077 R)
• M4: 1,469,500 km (0.097 R)
• M5: 2,114,716 km (0.085 R)
• M6: 3,838,233 km (0.098 R)
• M7: 5,210,943 km (0.08 R)
• M8: 5,931,256 km (0.09 R)
• M9: 6,688,820 km (0.101 R)
• M10: 7,120,559 km (0.069 R)
• M11: 8,629,104 km (0.071 R)
• M12: 9,106,920 km (0.106 R)
• M13: 10,841,358 km (0.074 R)
• M14: 11,601,764 km (0.059 R)
• M15: 12,786,728 km (0.073 R)

Asteroid Belt

Center: 6.17 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 10 - Ice Giant

Semi-Major Axis: 9.18 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 676.2

Radius: 3.1

Gravity: 70.36 G

Time & Orbit

Eccentricity (e): 0.179

Orbit Range: 7.54 AU - 10.82 AU

Year: 18865 Days

Day: 19.7 Hours

Environment

Temp: -243 °C

Axial Tilt: 3.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 72,867,158 km

• M1: 38,746 km (0.106 R)
• M2: 152,291 km (0.099 R)
• M3: 315,053 km (0.111 R)
• M4: 732,431 km (0.054 R)
• M5: 2,926,284 km (0.068 R)
• M6: 3,551,005 km (0.096 R)
• M7: 5,057,904 km (0.113 R)
• M8: 5,668,862 km (0.109 R)
• M9: 7,599,871 km (0.118 R)
• M10: 16,569,311 km (0.108 R)
• M11: 19,040,817 km (0.091 R)
• M12: 25,885,069 km (0.042 R)
• M13: 28,370,189 km (0.053 R)
• M14: 43,358,699 km (0.11 R)
• M15: 45,080,870 km (0.073 R)
• M16: 46,039,194 km (0.103 R)
• M17: 47,174,342 km (0.086 R)
• M18: 59,187,500 km (0.093 R)
• M19: 60,143,580 km (0.05 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 436 - 14,626 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit