🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.51 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.2

Radius: 1.59

Gravity: 1.27 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.44 AU - 0.58 AU

Year: 140 Days

Day: 21.8 Hours

Environment

Temp: 155 °C

Axial Tilt: 26.6 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 0.52 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.98

Radius: 1.9

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 0.52 AU - 0.52 AU

Year: 144 Days

Day: 28.1 Hours

Environment

Temp: 212 °C

Axial Tilt: 39.8 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 44,234,865 km

• M1: 110,254 km (0.112 R)

Planet 3 - Terrestrial

Semi-Major Axis: 0.79 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.58

Radius: 1.46

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.097

Orbit Range: 0.71 AU - 0.87 AU

Year: 270 Days

Day: 35.8 Hours

Environment

Temp: 35 °C

Axial Tilt: 38.4 °

Atmosphere: N₂, O₂

Biome: Oceanic/Continental

Planet 4 - Terrestrial

Semi-Major Axis: 1.12 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.32

Radius: 0.63

Gravity: 0.81 G

Time & Orbit

Eccentricity (e): 0.15

Orbit Range: 0.95 AU - 1.29 AU

Year: 456 Days

Day: 41.4 Hours

Environment

Temp: 0 °C

Axial Tilt: 36.5 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (1)

Outer Limit: 44,234,865 km

• M1: 161,117 km (0.039 R)

Planet 5 - Terrestrial

Semi-Major Axis: 1.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.9

Radius: 1.29

Gravity: 1.14 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 1.6 AU - 1.62 AU

Year: 787 Days

Day: 31.5 Hours

Environment

Temp: -57 °C

Axial Tilt: 28.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 44,234,865 km

• M1: 466,895 km (0.109 R)

Planet 6 - Terrestrial

Semi-Major Axis: 2.68 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.44

Radius: 1.16

Gravity: 1.07 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 2.28 AU - 3.08 AU

Year: 1689 Days

Day: 35.4 Hours

Environment

Temp: -117 °C

Axial Tilt: 178 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (2)

Outer Limit: 44,234,865 km

• M1: 413,189 km (0.075 R)
• M2: 947,403 km (0.111 R)

Planet 7 - Terrestrial

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 3.68

Radius: 1.68

Gravity: 1.3 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 3.33 AU - 3.69 AU

Year: 2532 Days

Day: 21.2 Hours

Environment

Temp: -133 °C

Axial Tilt: 12.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 8 - Gas Giant

Semi-Major Axis: 5.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 393.8

Radius: 13

Gravity: 2.33 G

Time & Orbit

Eccentricity (e): 0.041

Orbit Range: 4.84 AU - 5.26 AU

Year: 4369 Days

Day: 6.1 Hours

Environment

Temp: -152 °C

Axial Tilt: 20.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (68)

Outer Limit: 44,234,865 km

• M1: 165,455 km (0.062 R)
• M2: 274,213 km (0.069 R)
• M3: 530,624 km (0.105 R)
• M4: 648,507 km (0.082 R)
• M5: 746,493 km (0.109 R)
• M6: 871,557 km (0.091 R)
• M7: 959,222 km (0.118 R)
• M8: 1,073,664 km (0.102 R)
• M9: 1,317,209 km (0.084 R)
• M10: 1,552,228 km (0.066 R)
• M11: 2,048,892 km (0.118 R)
• M12: 2,245,913 km (0.098 R)
• M13: 2,529,102 km (0.067 R)
• M14: 2,774,143 km (0.107 R)
• M15: 2,941,992 km (0.112 R)
• M16: 3,061,520 km (0.104 R)
• M17: 3,447,932 km (0.104 R)
• M18: 3,794,251 km (0.109 R)
• M19: 3,943,549 km (0.056 R)
• M20: 4,171,237 km (0.082 R)
• M21: 4,364,219 km (0.104 R)
• M22: 4,540,595 km (0.099 R)
• M23: 5,331,967 km (0.046 R)
• M24: 6,319,912 km (0.091 R)
• M25: 6,676,852 km (0.119 R)
• M26: 6,994,748 km (0.079 R)
• M27: 7,132,378 km (0.069 R)
• M28: 7,574,589 km (0.117 R)
• M29: 8,731,130 km (0.096 R)
• M30: 8,904,364 km (0.078 R)
• M31: 9,078,796 km (0.12 R)
• M32: 9,229,291 km (0.083 R)
• M33: 9,355,252 km (0.096 R)
• M34: 9,890,663 km (0.101 R)
• M35: 10,227,258 km (0.093 R)
• M36: 10,646,581 km (0.09 R)
• M37: 10,831,783 km (0.055 R)
• M38: 10,991,554 km (0.032 R)
• M39: 11,232,407 km (0.098 R)
• M40: 11,774,250 km (0.115 R)
• M41: 11,856,230 km (0.076 R)
• M42: 11,938,359 km (0.085 R)
• M43: 12,826,970 km (0.102 R)
• M44: 13,909,760 km (0.111 R)
• M45: 15,558,478 km (0.102 R)
• M46: 15,708,674 km (0.049 R)
• M47: 16,101,518 km (0.086 R)
• M48: 16,466,986 km (0.091 R)
• M49: 16,804,478 km (0.116 R)
• M50: 17,051,315 km (0.107 R)
• M51: 17,237,265 km (0.086 R)
• M52: 17,893,401 km (0.076 R)
• M53: 18,367,028 km (0.095 R)
• M54: 18,748,952 km (0.12 R)
• M55: 18,844,844 km (0.094 R)
• M56: 18,973,049 km (0.098 R)
• M57: 19,391,325 km (0.081 R)
• M58: 19,812,742 km (0.038 R)
• M59: 20,106,403 km (0.084 R)
• M60: 20,302,825 km (0.118 R)
• M61: 20,565,818 km (0.091 R)
• M62: 20,995,612 km (0.1 R)
• M63: 21,195,026 km (0.072 R)
• M64: 21,562,139 km (0.06 R)
• M65: 21,662,669 km (0.116 R)
• M66: 22,066,135 km (0.065 R)
• M67: 22,201,222 km (0.118 R)
• M68: 22,914,953 km (0.026 R)

Planet 9 - Gas Giant

Semi-Major Axis: 8.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 673.4

Radius: 8.7

Gravity: 8.9 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 6.47 AU - 9.81 AU

Year: 8941 Days

Day: 7.9 Hours

Environment

Temp: -166 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (84)

Outer Limit: 44,234,865 km

• M1: 112,198 km (0.035 R)
• M2: 272,268 km (0.108 R)
• M3: 543,489 km (0.077 R)
• M4: 692,937 km (0.044 R)
• M5: 1,032,674 km (0.116 R)
• M6: 1,240,615 km (0.079 R)
• M7: 1,339,499 km (0.1 R)
• M8: 1,441,226 km (0.092 R)
• M9: 1,588,131 km (0.081 R)
• M10: 1,942,528 km (0.087 R)
• M11: 2,749,010 km (0.1 R)
• M12: 3,065,709 km (0.092 R)
• M13: 3,534,399 km (0.12 R)
• M14: 3,733,963 km (0.088 R)
• M15: 3,791,558 km (0.065 R)
• M16: 4,144,160 km (0.078 R)
• M17: 4,354,644 km (0.114 R)
• M18: 4,943,910 km (0.112 R)
• M19: 5,199,424 km (0.101 R)
• M20: 5,264,050 km (0.12 R)
• M21: 6,196,045 km (0.106 R)
• M22: 7,035,139 km (0.089 R)
• M23: 7,650,884 km (0.096 R)
• M24: 8,171,036 km (0.089 R)
• M25: 8,435,375 km (0.042 R)
• M26: 9,362,882 km (0.105 R)
• M27: 9,639,488 km (0.098 R)
• M28: 9,719,074 km (0.119 R)
• M29: 9,878,845 km (0.06 R)
• M30: 9,959,029 km (0.104 R)
• M31: 10,444,774 km (0.067 R)
• M32: 11,062,763 km (0.119 R)
• M33: 12,033,354 km (0.071 R)
• M34: 12,291,111 km (0.075 R)
• M35: 12,377,429 km (0.07 R)
• M36: 12,463,896 km (0.075 R)
• M37: 13,339,941 km (0.078 R)
• M38: 13,830,323 km (0.107 R)
• M39: 14,371,867 km (0.069 R)
• M40: 14,553,928 km (0.05 R)
• M41: 15,382,850 km (0.12 R)
• M42: 15,896,868 km (0.088 R)
• M43: 16,038,089 km (0.065 R)
• M44: 16,607,009 km (0.105 R)
• M45: 16,989,980 km (0.06 R)
• M46: 17,521,202 km (0.097 R)
• M47: 17,862,135 km (0.098 R)
• M48: 18,451,701 km (0.081 R)
• M49: 19,047,698 km (0.079 R)
• M50: 19,801,522 km (0.089 R)
• M51: 20,004,227 km (0.094 R)
• M52: 20,207,680 km (0.053 R)
• M53: 20,667,694 km (0.064 R)
• M54: 23,768,259 km (0.113 R)
• M55: 24,308,008 km (0.1 R)
• M56: 24,579,529 km (0.081 R)
• M57: 24,742,740 km (0.051 R)
• M58: 25,344,722 km (0.035 R)
• M59: 25,399,774 km (0.099 R)
• M60: 25,564,780 km (0.054 R)
• M61: 25,675,183 km (0.04 R)
• M62: 26,006,842 km (0.107 R)
• M63: 26,730,746 km (0.082 R)
• M64: 27,348,286 km (0.062 R)
• M65: 28,254,999 km (0.067 R)
• M66: 28,654,724 km (0.119 R)
• M67: 28,941,503 km (0.04 R)
• M68: 29,171,435 km (0.063 R)
• M69: 29,459,860 km (0.112 R)
• M70: 31,092,571 km (0.095 R)
• M71: 34,688,605 km (0.075 R)
• M72: 35,177,939 km (0.054 R)
• M73: 35,546,399 km (0.11 R)
• M74: 38,035,707 km (0.091 R)
• M75: 38,224,650 km (0.035 R)
• M76: 39,237,577 km (0.096 R)
• M77: 39,875,312 km (0.058 R)
• M78: 40,387,835 km (0.054 R)
• M79: 40,452,012 km (0.054 R)
• M80: 40,516,339 km (0.102 R)
• M81: 40,838,124 km (0.077 R)
• M82: 42,264,091 km (0.034 R)
• M83: 43,311,426 km (0.059 R)
• M84: 44,102,499 km (0.076 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 535 - 18,810 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit