🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.33 AU

Composition

Type: Inner System (Rocky)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Terrestrial

Semi-Major Axis: 0.66 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.71

Radius: 1.49

Gravity: 1.22 G

Time & Orbit

Eccentricity (e): 0.049

Orbit Range: 0.63 AU - 0.69 AU

Year: 203 Days

Day: 41.2 Hours

Environment

Temp: 132 °C

Axial Tilt: 46.3 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Planet 2 - Terrestrial

Semi-Major Axis: 1.72 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 4.05

Radius: 1.75

Gravity: 1.32 G

Time & Orbit

Eccentricity (e): 0.244

Orbit Range: 1.3 AU - 2.14 AU

Year: 854 Days

Day: 28.2 Hours

Environment

Temp: -68 °C

Axial Tilt: 37.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 3 - Terrestrial

Semi-Major Axis: 4.01 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.43

Radius: 1.15

Gravity: 1.08 G

Time & Orbit

Eccentricity (e): 0.021

Orbit Range: 3.93 AU - 4.09 AU

Year: 3041 Days

Day: 42.4 Hours

Environment

Temp: -141 °C

Axial Tilt: 8.8 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Asteroid Belt

Center: 4.85 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 77.8

Radius: 13.4

Gravity: 0.43 G

Time & Orbit

Eccentricity (e): 0.019

Orbit Range: 5.57 AU - 5.79 AU

Year: 5127 Days

Day: 11.2 Hours

Environment

Temp: -155 °C

Axial Tilt: 25.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 37,742,093 km

• M1: 166,802 km (0.086 R)
• M2: 802,443 km (0.037 R)
• M3: 1,376,899 km (0.093 R)
• M4: 2,210,309 km (0.063 R)
• M5: 6,004,859 km (0.112 R)
• M6: 7,865,407 km (0.063 R)

Planet 5 - Gas Giant

Semi-Major Axis: 7.71 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 563.7

Radius: 14.7

Gravity: 2.61 G

Time & Orbit

Eccentricity (e): 0.096

Orbit Range: 6.97 AU - 8.45 AU

Year: 8108 Days

Day: 8 Hours

Environment

Temp: -164 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 37,742,093 km

• M1: 182,809 km (0.048 R)
• M2: 643,570 km (0.105 R)
• M3: 1,296,714 km (0.103 R)
• M4: 3,063,016 km (0.056 R)
• M5: 4,455,174 km (0.113 R)
• M6: 5,492,785 km (0.118 R)
• M7: 6,102,396 km (0.057 R)
• M8: 7,306,659 km (0.089 R)
• M9: 8,166,847 km (0.112 R)
• M10: 9,225,401 km (0.095 R)
• M11: 10,136,602 km (0.077 R)
• M12: 12,898,029 km (0.066 R)
• M13: 19,495,595 km (0.056 R)
• M14: 22,250,589 km (0.119 R)
• M15: 24,141,207 km (0.113 R)
• M16: 31,755,589 km (0.081 R)
• M17: 32,368,641 km (0.041 R)
• M18: 34,148,706 km (0.088 R)
• M19: 35,993,098 km (0.092 R)

Planet 6 - Gas Giant

Semi-Major Axis: 9.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 388.7

Radius: 13.3

Gravity: 2.2 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 8.19 AU - 10.61 AU

Year: 10915 Days

Day: 12.8 Hours

Environment

Temp: -184 °C

Axial Tilt: 32.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 37,742,093 km

• M1: 167,101 km (0.092 R)
• M2: 716,275 km (0.069 R)
• M3: 1,187,358 km (0.091 R)
• M4: 5,498,320 km (0.052 R)
• M5: 6,057,517 km (0.109 R)
• M6: 7,485,129 km (0.104 R)
• M7: 8,511,670 km (0.098 R)
• M8: 10,055,969 km (0.095 R)
• M9: 11,357,620 km (0.095 R)
• M10: 12,712,229 km (0.098 R)
• M11: 13,516,616 km (0.086 R)
• M12: 13,991,290 km (0.11 R)
• M13: 15,871,287 km (0.092 R)
• M14: 16,399,966 km (0.109 R)
• M15: 19,073,280 km (0.119 R)
• M16: 20,051,201 km (0.086 R)
• M17: 23,354,621 km (0.081 R)
• M18: 24,212,415 km (0.057 R)
• M19: 25,180,014 km (0.113 R)
• M20: 25,718,567 km (0.092 R)
• M21: 26,818,859 km (0.043 R)
• M22: 28,721,894 km (0.045 R)
• M23: 29,507,881 km (0.104 R)
• M24: 30,713,640 km (0.111 R)
• M25: 33,762,743 km (0.104 R)
• M26: 35,304,649 km (0.096 R)
• M27: 36,206,574 km (0.068 R)
• M28: 36,663,297 km (0.092 R)
• M29: 37,704,947 km (0.109 R)
• M30: 39,004,653 km (0.119 R)
• M31: 41,319,829 km (0.115 R)

Planet 7 - Gas Giant

Semi-Major Axis: 11.16 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 428.2

Radius: 14.3

Gravity: 2.09 G

Time & Orbit

Eccentricity (e): 0.122

Orbit Range: 9.8 AU - 12.52 AU

Year: 14120 Days

Day: 12.8 Hours

Environment

Temp: -175 °C

Axial Tilt: 39.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 37,742,093 km

• M1: 193,280 km (0.089 R)
• M2: 647,160 km (0.078 R)
• M3: 1,134,550 km (0.114 R)
• M4: 2,381,897 km (0.066 R)
• M5: 2,910,427 km (0.088 R)
• M6: 3,567,460 km (0.097 R)
• M7: 5,084,233 km (0.114 R)
• M8: 7,701,747 km (0.085 R)
• M9: 9,205,655 km (0.099 R)
• M10: 12,077,186 km (0.103 R)
• M11: 20,589,454 km (0.096 R)
• M12: 24,949,933 km (0.052 R)
• M13: 35,329,332 km (0.063 R)
• M14: 37,903,313 km (0.081 R)
• M15: 42,738,915 km (0.088 R)
• M16: 48,265,359 km (0.115 R)

Planet 8 - Ice Giant

Semi-Major Axis: 12.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 490.6

Radius: 3.1

Gravity: 51.05 G

Time & Orbit

Eccentricity (e): 0.145

Orbit Range: 10.57 AU - 14.15 AU

Year: 16458 Days

Day: 15.6 Hours

Environment

Temp: -182 °C

Axial Tilt: 22.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 37,742,093 km

• M1: 38,596 km (0.102 R)
• M2: 410,646 km (0.086 R)
• M3: 632,350 km (0.115 R)
• M4: 1,113,008 km (0.109 R)
• M5: 1,364,183 km (0.073 R)
• M6: 1,603,689 km (0.054 R)
• M7: 1,750,295 km (0.097 R)
• M8: 3,291,004 km (0.068 R)
• M9: 3,720,499 km (0.044 R)
• M10: 7,596,281 km (0.089 R)
• M11: 10,251,792 km (0.107 R)
• M12: 10,928,723 km (0.07 R)
• M13: 14,208,058 km (0.091 R)
• M14: 15,191,365 km (0.107 R)
• M15: 15,920,953 km (0.025 R)
• M16: 16,369,747 km (0.088 R)
• M17: 18,168,213 km (0.069 R)
• M18: 19,073,280 km (0.088 R)
• M19: 21,151,194 km (0.09 R)
• M20: 21,330,861 km (0.115 R)
• M21: 23,471,008 km (0.083 R)
• M22: 29,830,713 km (0.101 R)
• M23: 31,788,201 km (0.109 R)
• M24: 32,858,275 km (0.041 R)
• M25: 33,952,134 km (0.102 R)
• M26: 36,212,409 km (0.059 R)
• M27: 37,379,122 km (0.075 R)
• M28: 37,510,320 km (0.039 R)
• M29: 37,905,707 km (0.098 R)
• M30: 42,439,719 km (0.099 R)
• M31: 42,725,601 km (0.108 R)
• M32: 42,868,915 km (0.11 R)
• M33: 43,445,765 km (0.103 R)
• M34: 44,027,850 km (0.094 R)
• M35: 46,407,803 km (0.051 R)
• M36: 52,565,251 km (0.116 R)
• M37: 55,241,258 km (0.094 R)
• M38: 59,244,946 km (0.093 R)

Planet 9 - Ice Giant

Semi-Major Axis: 12.54 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 888.3

Radius: 5.9

Gravity: 25.52 G

Time & Orbit

Eccentricity (e): 0.119

Orbit Range: 11.05 AU - 14.03 AU

Year: 16819 Days

Day: 21.6 Hours

Environment

Temp: -192 °C

Axial Tilt: 20.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 37,742,093 km

• M1: 84,972 km (0.044 R)
• M2: 303,235 km (0.082 R)
• M3: 1,107,174 km (0.078 R)
• M4: 1,447,659 km (0.116 R)
• M5: 1,747,154 km (0.103 R)
• M6: 1,931,009 km (0.099 R)
• M7: 2,189,365 km (0.042 R)
• M8: 2,470,758 km (0.069 R)
• M9: 3,490,268 km (0.101 R)
• M10: 6,364,342 km (0.095 R)
• M11: 7,498,743 km (0.12 R)
• M12: 10,457,340 km (0.073 R)
• M13: 11,067,998 km (0.062 R)
• M14: 12,766,832 km (0.066 R)
• M15: 13,894,501 km (0.077 R)
• M16: 14,707,266 km (0.095 R)
• M17: 15,395,566 km (0.051 R)
• M18: 15,708,225 km (0.117 R)
• M19: 18,716,040 km (0.074 R)
• M20: 21,889,460 km (0.08 R)
• M21: 26,617,201 km (0.093 R)
• M22: 29,039,340 km (0.095 R)
• M23: 31,229,154 km (0.07 R)
• M24: 32,236,845 km (0.032 R)
• M25: 32,748,769 km (0.097 R)
• M26: 34,316,854 km (0.114 R)
• M27: 38,169,298 km (0.119 R)
• M28: 41,391,188 km (0.107 R)
• M29: 43,068,030 km (0.104 R)
• M30: 43,845,042 km (0.077 R)
• M31: 44,631,328 km (0.068 R)
• M32: 45,587,258 km (0.101 R)
• M33: 57,205,927 km (0.105 R)
• M34: 61,217,094 km (0.025 R)
• M35: 69,794,139 km (0.077 R)
• M36: 70,435,764 km (0.05 R)
• M37: 70,650,437 km (0.111 R)
• M38: 71,730,683 km (0.074 R)

Planet 10 - Ice Giant

Semi-Major Axis: 16.02 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 56.7

Radius: 7.9

Gravity: 0.91 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 14.56 AU - 17.48 AU

Year: 24285 Days

Day: 17.6 Hours

Environment

Temp: -198 °C

Axial Tilt: 17.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 37,742,093 km

• M1: 99,333 km (0.109 R)
• M2: 408,552 km (0.1 R)
• M3: 889,659 km (0.119 R)
• M4: 1,176,886 km (0.118 R)
• M5: 1,854,565 km (0.087 R)
• M6: 2,196,695 km (0.1 R)
• M7: 3,883,112 km (0.105 R)
• M8: 4,608,811 km (0.098 R)
• M9: 5,270,034 km (0.105 R)
• M10: 6,815,978 km (0.066 R)
• M11: 8,434,328 km (0.083 R)
• M12: 8,726,941 km (0.116 R)
• M13: 9,966,360 km (0.084 R)
• M14: 16,951,234 km (0.065 R)
• M15: 19,735,549 km (0.084 R)
• M16: 32,885,502 km (0.112 R)
• M17: 33,926,254 km (0.092 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 223 - 14,349 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit