🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.61

Radius: 1.47

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.121

Orbit Range: 0.79 AU - 1.01 AU

Year: 373 Days

Day: 45.9 Hours

Environment

Temp: -58 °C

Axial Tilt: 46.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 65,281,932 km

• M1: 133,890 km (0.105 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.39

Radius: 0.69

Gravity: 0.82 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.97 AU - 1.07 AU

Year: 450 Days

Day: 34.5 Hours

Environment

Temp: -70 °C

Axial Tilt: 29.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.35

Radius: 1.13

Gravity: 1.06 G

Time & Orbit

Eccentricity (e): 0.233

Orbit Range: 1 AU - 1.6 AU

Year: 647 Days

Day: 41.9 Hours

Environment

Temp: -92 °C

Axial Tilt: 27.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 4 - Terrestrial

Semi-Major Axis: 1.41 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.75

Radius: 1.5

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.166

Orbit Range: 1.18 AU - 1.64 AU

Year: 731 Days

Day: 38.4 Hours

Environment

Temp: -87 °C

Axial Tilt: 24.5 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 2 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 920.1

Radius: 9

Gravity: 11.36 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 2.16 AU - 3 AU

Year: 1809 Days

Day: 11.1 Hours

Environment

Temp: -126 °C

Axial Tilt: 12.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 65,281,932 km

• M1: 112,797 km (0.062 R)
• M2: 393,891 km (0.09 R)
• M3: 766,689 km (0.119 R)
• M4: 1,304,344 km (0.11 R)
• M5: 1,779,915 km (0.065 R)
• M6: 2,302,012 km (0.066 R)
• M7: 2,656,559 km (0.056 R)
• M8: 3,047,458 km (0.088 R)
• M9: 3,493,709 km (0.107 R)
• M10: 3,964,044 km (0.091 R)
• M11: 4,394,587 km (0.093 R)
• M12: 4,877,788 km (0.078 R)
• M13: 6,050,785 km (0.074 R)
• M14: 7,874,084 km (0.058 R)
• M15: 9,377,842 km (0.085 R)
• M16: 10,036,970 km (0.065 R)
• M17: 10,323,599 km (0.062 R)
• M18: 11,408,782 km (0.101 R)
• M19: 12,079,280 km (0.117 R)
• M20: 12,362,918 km (0.086 R)
• M21: 12,692,631 km (0.094 R)
• M22: 15,449,720 km (0.116 R)
• M23: 15,977,352 km (0.091 R)
• M24: 16,666,400 km (0.072 R)

Planet 6 - Gas Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 676.4

Radius: 11

Gravity: 5.59 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 5.23 AU - 7.77 AU

Year: 7235 Days

Day: 9.4 Hours

Environment

Temp: -181 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 65,281,932 km

• M1: 136,882 km (0.086 R)
• M2: 647,011 km (0.107 R)
• M3: 2,256,684 km (0.08 R)
• M4: 3,291,752 km (0.113 R)
• M5: 3,891,938 km (0.094 R)
• M6: 5,588,677 km (0.117 R)
• M7: 6,976,796 km (0.078 R)
• M8: 7,810,355 km (0.104 R)
• M9: 10,907,779 km (0.032 R)
• M10: 14,562,754 km (0.025 R)
• M11: 15,543,219 km (0.118 R)
• M12: 19,323,108 km (0.076 R)
• M13: 19,835,182 km (0.116 R)
• M14: 27,615,767 km (0.068 R)
• M15: 34,688,006 km (0.107 R)
• M16: 36,767,117 km (0.115 R)
• M17: 37,780,344 km (0.095 R)

Planet 7 - Ice Giant

Semi-Major Axis: 10.55 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 724.5

Radius: 7.5

Gravity: 12.88 G

Time & Orbit

Eccentricity (e): 0.171

Orbit Range: 8.75 AU - 12.35 AU

Year: 14960 Days

Day: 24.8 Hours

Environment

Temp: -195 °C

Axial Tilt: 2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 65,281,932 km

• M1: 101,278 km (0.114 R)
• M2: 441,015 km (0.096 R)
• M3: 1,730,847 km (0.112 R)
• M4: 2,049,192 km (0.111 R)
• M5: 3,790,361 km (0.115 R)
• M6: 4,718,466 km (0.116 R)
• M7: 4,989,837 km (0.095 R)
• M8: 7,016,140 km (0.107 R)
• M9: 10,081,700 km (0.076 R)
• M10: 11,536,988 km (0.082 R)
• M11: 12,474,518 km (0.069 R)
• M12: 17,772,825 km (0.075 R)
• M13: 18,018,016 km (0.1 R)
• M14: 19,021,369 km (0.073 R)
• M15: 19,797,932 km (0.106 R)
• M16: 20,775,554 km (0.052 R)
• M17: 23,311,088 km (0.112 R)
• M18: 25,111,798 km (0.112 R)
• M19: 26,046,036 km (0.111 R)
• M20: 28,094,031 km (0.12 R)
• M21: 32,264,521 km (0.115 R)
• M22: 32,997,401 km (0.054 R)
• M23: 34,243,701 km (0.104 R)
• M24: 41,520,141 km (0.115 R)
• M25: 42,532,769 km (0.054 R)
• M26: 44,758,187 km (0.105 R)
• M27: 61,797,833 km (0.105 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.62 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 514.6

Radius: 4.1

Gravity: 30.61 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 9.69 AU - 11.55 AU

Year: 15109 Days

Day: 21.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 46 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 65,281,932 km

• M1: 51,312 km (0.076 R)
• M2: 277,055 km (0.095 R)
• M3: 476,020 km (0.103 R)
• M4: 1,081,892 km (0.086 R)
• M5: 1,742,217 km (0.095 R)
• M6: 2,344,049 km (0.059 R)
• M7: 2,593,877 km (0.111 R)
• M8: 3,530,360 km (0.114 R)
• M9: 4,328,315 km (0.035 R)
• M10: 8,345,766 km (0.079 R)
• M11: 8,730,681 km (0.067 R)
• M12: 8,878,185 km (0.053 R)
• M13: 10,226,062 km (0.028 R)
• M14: 11,586,056 km (0.092 R)
• M15: 13,254,970 km (0.112 R)
• M16: 14,452,650 km (0.031 R)
• M17: 15,219,040 km (0.084 R)
• M18: 17,214,377 km (0.115 R)
• M19: 24,137,317 km (0.096 R)
• M20: 28,853,241 km (0.037 R)
• M21: 33,303,478 km (0.106 R)
• M22: 34,759,514 km (0.113 R)
• M23: 48,579,814 km (0.088 R)
• M24: 51,562,945 km (0.116 R)
• M25: 53,837,581 km (0.051 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.7 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 741.2

Radius: 3.3

Gravity: 68.06 G

Time & Orbit

Eccentricity (e): 0.175

Orbit Range: 8.83 AU - 12.57 AU

Year: 15280 Days

Day: 17.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 24.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (39)

Outer Limit: 65,281,932 km

• M1: 41,439 km (0.081 R)
• M2: 150,944 km (0.118 R)
• M3: 293,511 km (0.041 R)
• M4: 440,865 km (0.084 R)
• M5: 547,528 km (0.103 R)
• M6: 1,910,365 km (0.105 R)
• M7: 2,428,422 km (0.06 R)
• M8: 2,743,475 km (0.065 R)
• M9: 2,886,491 km (0.11 R)
• M10: 3,536,793 km (0.084 R)
• M11: 3,735,160 km (0.067 R)
• M12: 4,000,995 km (0.1 R)
• M13: 4,123,217 km (0.114 R)
• M14: 4,342,976 km (0.1 R)
• M15: 5,156,040 km (0.113 R)
• M16: 5,828,931 km (0.072 R)
• M17: 6,065,745 km (0.052 R)
• M18: 7,669,733 km (0.085 R)
• M19: 8,393,488 km (0.087 R)
• M20: 8,644,513 km (0.081 R)
• M21: 9,267,438 km (0.089 R)
• M22: 9,699,028 km (0.053 R)
• M23: 9,864,334 km (0.109 R)
• M24: 13,783,649 km (0.087 R)
• M25: 14,062,798 km (0.111 R)
• M26: 15,439,847 km (0.073 R)
• M27: 17,304,434 km (0.106 R)
• M28: 21,380,228 km (0.047 R)
• M29: 23,096,714 km (0.052 R)
• M30: 30,175,087 km (0.107 R)
• M31: 33,821,535 km (0.109 R)
• M32: 37,075,887 km (0.112 R)
• M33: 40,675,362 km (0.098 R)
• M34: 43,448,308 km (0.086 R)
• M35: 46,656,734 km (0.117 R)
• M36: 46,970,291 km (0.096 R)
• M37: 53,711,919 km (0.103 R)
• M38: 58,486,484 km (0.099 R)
• M39: 64,502,114 km (0.084 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 237 - 11,060 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit