🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.7

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.172

Orbit Range: 0.51 AU - 0.71 AU

Year: 313 Days

Day: 30.5 Hours

Environment

Temp: -126 °C

Axial Tilt: 47.7 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Terrestrial

Semi-Major Axis: 0.64 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.22

Radius: 0.55

Gravity: 0.73 G

Time & Orbit

Eccentricity (e): 0.148

Orbit Range: 0.55 AU - 0.73 AU

Year: 336 Days

Day: 44.8 Hours

Environment

Temp: -132 °C

Axial Tilt: 22 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 49,753,087 km

• M1: 12,865 km (0.089 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 313.4

Radius: 14.1

Gravity: 1.58 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 0.72 AU - 1.04 AU

Year: 542 Days

Day: 6.3 Hours

Environment

Temp: -153 °C

Axial Tilt: 25.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 49,753,087 km

• M1: 175,329 km (0.094 R)
• M2: 726,597 km (0.076 R)
• M3: 1,177,784 km (0.107 R)
• M4: 1,733,391 km (0.044 R)
• M5: 2,263,416 km (0.114 R)
• M6: 2,851,784 km (0.09 R)
• M7: 3,437,909 km (0.12 R)
• M8: 4,142,664 km (0.112 R)
• M9: 4,740,158 km (0.043 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 14.7

Radius: 8.8

Gravity: 0.19 G

Time & Orbit

Eccentricity (e): 0.199

Orbit Range: 0.77 AU - 1.15 AU

Year: 617 Days

Day: 14.9 Hours

Environment

Temp: -151 °C

Axial Tilt: 21.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 49,753,087 km

• M1: 109,506 km (0.078 R)
• M2: 967,599 km (0.095 R)
• M3: 1,814,921 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 30.6

Radius: 10.5

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 1.3 AU - 1.62 AU

Year: 1157 Days

Day: 10.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 45.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 49,753,087 km

• M1: 133,890 km (0.057 R)
• M2: 477,367 km (0.095 R)
• M3: 941,419 km (0.077 R)
• M4: 1,453,942 km (0.113 R)
• M5: 1,812,677 km (0.101 R)
• M6: 2,830,541 km (0.073 R)
• M7: 3,264,226 km (0.106 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 90

Radius: 10.3

Gravity: 0.85 G

Time & Orbit

Eccentricity (e): 0.16

Orbit Range: 1.28 AU - 1.76 AU

Year: 1229 Days

Day: 8 Hours

Environment

Temp: -169 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 49,753,087 km

• M1: 128,205 km (0.12 R)
• M2: 728,691 km (0.1 R)
• M3: 1,174,792 km (0.076 R)
• M4: 1,609,523 km (0.092 R)
• M5: 2,116,211 km (0.091 R)
• M6: 2,737,043 km (0.118 R)
• M7: 3,865,609 km (0.066 R)
• M8: 4,689,744 km (0.079 R)
• M9: 5,344,982 km (0.04 R)
• M10: 5,936,642 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.2

Radius: 12

Gravity: 3.08 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 1.72 AU - 2.26 AU

Year: 1842 Days

Day: 5.4 Hours

Environment

Temp: -179 °C

Axial Tilt: 23.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 49,753,087 km

• M1: 149,448 km (0.091 R)
• M2: 540,796 km (0.097 R)
• M3: 924,365 km (0.054 R)
• M4: 1,868,477 km (0.119 R)
• M5: 2,262,069 km (0.113 R)
• M6: 3,146,492 km (0.096 R)
• M7: 4,546,578 km (0.106 R)
• M8: 4,938,974 km (0.098 R)
• M9: 5,860,197 km (0.117 R)
• M10: 6,495,091 km (0.08 R)
• M11: 7,492,759 km (0.034 R)
• M12: 7,930,482 km (0.105 R)
• M13: 9,316,207 km (0.033 R)
• M14: 9,758,718 km (0.1 R)
• M15: 11,671,027 km (0.059 R)
• M16: 12,185,644 km (0.103 R)
• M17: 12,908,501 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.19 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 478.9

Radius: 4

Gravity: 29.93 G

Time & Orbit

Eccentricity (e): 0.217

Orbit Range: 5.63 AU - 8.75 AU

Year: 12647 Days

Day: 17.2 Hours

Environment

Temp: -226 °C

Axial Tilt: 28 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 49,753,087 km

• M1: 74,201 km (0.112 R)
• M2: 257,159 km (0.11 R)
• M3: 429,795 km (0.099 R)
• M4: 913,295 km (0.099 R)
• M5: 1,094,757 km (0.047 R)
• M6: 1,588,580 km (0.087 R)
• M7: 2,090,780 km (0.086 R)
• M8: 2,254,739 km (0.084 R)
• M9: 3,425,492 km (0.068 R)
• M10: 3,705,988 km (0.11 R)
• M11: 4,169,293 km (0.092 R)
• M12: 4,639,628 km (0.099 R)
• M13: 4,887,662 km (0.107 R)
• M14: 6,041,660 km (0.069 R)
• M15: 6,681,789 km (0.113 R)
• M16: 6,878,360 km (0.109 R)
• M17: 7,832,795 km (0.029 R)
• M18: 9,400,581 km (0.045 R)
• M19: 10,785,707 km (0.059 R)
• M20: 11,554,790 km (0.101 R)
• M21: 12,126,254 km (0.075 R)
• M22: 12,776,107 km (0.062 R)
• M23: 16,095,385 km (0.063 R)
• M24: 17,097,989 km (0.048 R)
• M25: 19,385,191 km (0.064 R)
• M26: 19,704,732 km (0.115 R)
• M27: 22,476,781 km (0.111 R)
• M28: 25,497,910 km (0.082 R)
• M29: 26,758,721 km (0.051 R)
• M30: 26,956,340 km (0.098 R)
• M31: 28,264,573 km (0.059 R)
• M32: 28,469,522 km (0.101 R)
• M33: 30,358,793 km (0.109 R)
• M34: 31,224,816 km (0.06 R)
• M35: 33,805,828 km (0.112 R)
• M36: 35,325,742 km (0.115 R)
• M37: 38,627,068 km (0.118 R)
• M38: 42,529,777 km (0.074 R)
• M39: 43,613,165 km (0.091 R)
• M40: 44,024,110 km (0.075 R)
• M41: 47,985,163 km (0.118 R)

Kuiper Belt

Range: 30 - 46 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 239 - 20,035 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit