🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.72 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.21

Radius: 1.78

Gravity: 1.33 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.57 AU - 0.87 AU

Year: 235 Days

Day: 32.2 Hours

Environment

Temp: 122 °C

Axial Tilt: 16.1 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.14 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.65

Radius: 1.22

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.153

Orbit Range: 0.97 AU - 1.31 AU

Year: 469 Days

Day: 16.8 Hours

Environment

Temp: -21 °C

Axial Tilt: 41.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 49,167,178 km

• M1: 806,482 km (0.078 R)

Asteroid Belt

Center: 2.25 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Terrestrial

Semi-Major Axis: 3.36 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.85

Radius: 1.88

Gravity: 1.37 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 3.25 AU - 3.47 AU

Year: 2371 Days

Day: 28 Hours

Environment

Temp: -125 °C

Axial Tilt: 18.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Gas Giant

Semi-Major Axis: 4.95 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 996.5

Radius: 11.5

Gravity: 7.53 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 4.06 AU - 5.84 AU

Year: 4240 Days

Day: 11.2 Hours

Environment

Temp: -156 °C

Axial Tilt: 29.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 49,167,178 km

• M1: 144,661 km (0.104 R)
• M2: 910,453 km (0.054 R)
• M3: 2,081,056 km (0.11 R)
• M4: 3,171,325 km (0.108 R)
• M5: 3,979,752 km (0.065 R)
• M6: 4,507,683 km (0.114 R)
• M7: 6,157,748 km (0.098 R)
• M8: 8,874,894 km (0.094 R)
• M9: 10,297,270 km (0.108 R)
• M10: 12,963,254 km (0.067 R)
• M11: 14,455,343 km (0.082 R)
• M12: 15,531,251 km (0.065 R)
• M13: 16,059,182 km (0.049 R)
• M14: 16,598,931 km (0.053 R)
• M15: 18,486,258 km (0.075 R)
• M16: 19,212,855 km (0.046 R)
• M17: 20,234,309 km (0.116 R)
• M18: 21,363,324 km (0.096 R)
• M19: 23,210,708 km (0.071 R)
• M20: 27,221,128 km (0.096 R)
• M21: 28,075,332 km (0.055 R)
• M22: 30,107,619 km (0.053 R)

Planet 5 - Gas Giant

Semi-Major Axis: 6.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 518.5

Radius: 13.1

Gravity: 3.02 G

Time & Orbit

Eccentricity (e): 0.228

Orbit Range: 5.22 AU - 8.3 AU

Year: 6767 Days

Day: 8.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 8.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 49,167,178 km

• M1: 163,510 km (0.092 R)
• M2: 586,723 km (0.047 R)
• M3: 1,113,607 km (0.117 R)
• M4: 1,860,100 km (0.097 R)
• M5: 2,681,093 km (0.076 R)
• M6: 5,737,677 km (0.114 R)
• M7: 7,768,468 km (0.053 R)
• M8: 10,652,266 km (0.031 R)
• M9: 11,754,653 km (0.075 R)
• M10: 13,413,244 km (0.056 R)
• M11: 15,820,424 km (0.109 R)
• M12: 17,062,535 km (0.094 R)
• M13: 18,036,118 km (0.103 R)
• M14: 19,114,868 km (0.052 R)
• M15: 20,813,253 km (0.101 R)
• M16: 26,254,576 km (0.103 R)
• M17: 26,682,276 km (0.05 R)
• M18: 28,982,044 km (0.087 R)
• M19: 30,933,698 km (0.069 R)

Planet 6 - Gas Giant

Semi-Major Axis: 8.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 549.7

Radius: 10.5

Gravity: 4.99 G

Time & Orbit

Eccentricity (e): 0.188

Orbit Range: 7.01 AU - 10.25 AU

Year: 9761 Days

Day: 10.6 Hours

Environment

Temp: -167 °C

Axial Tilt: 84.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 49,167,178 km

• M1: 130,599 km (0.106 R)
• M2: 501,602 km (0.114 R)
• M3: 880,982 km (0.094 R)
• M4: 1,535,772 km (0.038 R)
• M5: 2,585,650 km (0.071 R)
• M6: 3,508,968 km (0.113 R)
• M7: 4,033,607 km (0.079 R)
• M8: 4,667,603 km (0.1 R)
• M9: 5,725,111 km (0.058 R)
• M10: 7,401,055 km (0.106 R)
• M11: 8,351,750 km (0.099 R)
• M12: 9,903,828 km (0.073 R)
• M13: 10,295,325 km (0.088 R)
• M14: 10,799,321 km (0.11 R)
• M15: 11,693,766 km (0.092 R)
• M16: 14,991,203 km (0.117 R)
• M17: 16,783,385 km (0.081 R)
• M18: 19,771,453 km (0.105 R)
• M19: 23,097,014 km (0.11 R)
• M20: 24,757,700 km (0.079 R)
• M21: 25,117,183 km (0.062 R)
• M22: 31,145,229 km (0.082 R)
• M23: 40,633,474 km (0.114 R)
• M24: 41,638,772 km (0.037 R)
• M25: 42,147,554 km (0.103 R)

Planet 7 - Ice Giant

Semi-Major Axis: 12.01 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 183.7

Radius: 3.8

Gravity: 12.72 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 10.58 AU - 13.44 AU

Year: 16024 Days

Day: 18.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 57.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 49,167,178 km

• M1: 47,273 km (0.032 R)
• M2: 995,424 km (0.076 R)
• M3: 1,306,887 km (0.093 R)
• M4: 1,432,699 km (0.1 R)
• M5: 1,651,112 km (0.103 R)
• M6: 1,938,788 km (0.115 R)
• M7: 2,120,251 km (0.108 R)
• M8: 2,294,831 km (0.092 R)
• M9: 4,003,688 km (0.095 R)
• M10: 4,521,596 km (0.084 R)
• M11: 4,723,254 km (0.096 R)
• M12: 5,144,372 km (0.119 R)
• M13: 5,788,839 km (0.089 R)
• M14: 6,742,077 km (0.109 R)
• M15: 7,158,707 km (0.071 R)
• M16: 9,410,155 km (0.094 R)
• M17: 14,862,548 km (0.106 R)
• M18: 17,041,890 km (0.115 R)
• M19: 32,013,944 km (0.06 R)
• M20: 37,806,374 km (0.105 R)
• M21: 40,577,076 km (0.091 R)

Planet 8 - Ice Giant

Semi-Major Axis: 17.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 90.4

Radius: 5.6

Gravity: 2.88 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 15.34 AU - 20 AU

Year: 28597 Days

Day: 16.4 Hours

Environment

Temp: -199 °C

Axial Tilt: 36.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 49,167,178 km

• M1: 129,851 km (0.091 R)
• M2: 315,203 km (0.086 R)
• M3: 2,103,346 km (0.096 R)
• M4: 3,004,524 km (0.118 R)
• M5: 3,838,681 km (0.108 R)
• M6: 5,102,335 km (0.072 R)
• M7: 5,499,367 km (0.049 R)
• M8: 8,599,933 km (0.084 R)
• M9: 9,210,143 km (0.1 R)
• M10: 14,443,226 km (0.041 R)
• M11: 18,857,111 km (0.086 R)
• M12: 26,258,914 km (0.104 R)
• M13: 30,542,051 km (0.112 R)
• M14: 34,449,098 km (0.031 R)
• M15: 40,979,494 km (0.104 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 156 - 16,832 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit