🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.89 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.73

Radius: 0.88

Gravity: 0.94 G

Time & Orbit

Eccentricity (e): 0.086

Orbit Range: 0.81 AU - 0.97 AU

Year: 323 Days

Day: 43.8 Hours

Environment

Temp: 29 °C

Axial Tilt: 27.1 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Satellites (2)

Outer Limit: 68,952,880 km

• M1: 87,066 km (0.054 R)
• M2: 134,638 km (0.102 R)

Planet 2 - Terrestrial

Semi-Major Axis: 2.61 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.87

Radius: 1.52

Gravity: 1.24 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.08 AU - 3.14 AU

Year: 1623 Days

Day: 13 Hours

Environment

Temp: -112 °C

Axial Tilt: 32.9 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,952,880 km

• M1: 930,798 km (0.077 R)

Planet 3 - Terrestrial

Semi-Major Axis: 3.07 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.85

Radius: 1.52

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 2.45 AU - 3.69 AU

Year: 2071 Days

Day: 22.7 Hours

Environment

Temp: -113 °C

Axial Tilt: 22.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Satellites (1)

Outer Limit: 68,952,880 km

• M1: 166,054 km (0.105 R)

Asteroid Belt

Center: 3.61 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 4.14 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 548

Radius: 11.5

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.008

Orbit Range: 4.11 AU - 4.17 AU

Year: 3243 Days

Day: 14.4 Hours

Environment

Temp: -142 °C

Axial Tilt: 67.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 68,952,880 km

• M1: 143,016 km (0.12 R)
• M2: 518,207 km (0.108 R)
• M3: 885,919 km (0.031 R)
• M4: 1,601,894 km (0.067 R)
• M5: 1,993,691 km (0.07 R)
• M6: 2,582,358 km (0.113 R)
• M7: 3,059,426 km (0.116 R)
• M8: 3,557,288 km (0.072 R)
• M9: 5,090,816 km (0.104 R)
• M10: 6,760,477 km (0.073 R)
• M11: 8,460,208 km (0.091 R)
• M12: 9,264,596 km (0.071 R)
• M13: 9,778,614 km (0.111 R)
• M14: 10,311,781 km (0.065 R)
• M15: 10,904,338 km (0.06 R)
• M16: 13,273,669 km (0.119 R)
• M17: 14,456,540 km (0.115 R)
• M18: 15,915,418 km (0.032 R)
• M19: 17,525,540 km (0.048 R)
• M20: 19,300,668 km (0.057 R)
• M21: 20,755,059 km (0.118 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.4 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 893.9

Radius: 8.6

Gravity: 12.09 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 3.81 AU - 4.99 AU

Year: 3553 Days

Day: 12.5 Hours

Environment

Temp: -148 °C

Axial Tilt: 13.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,952,880 km

• M1: 112,647 km (0.047 R)
• M2: 687,701 km (0.11 R)
• M3: 1,190,949 km (0.093 R)
• M4: 2,539,873 km (0.115 R)
• M5: 3,185,986 km (0.056 R)
• M6: 3,477,552 km (0.07 R)
• M7: 3,872,490 km (0.103 R)
• M8: 5,647,619 km (0.119 R)
• M9: 5,931,256 km (0.063 R)
• M10: 6,374,515 km (0.118 R)
• M11: 7,162,447 km (0.097 R)
• M12: 8,263,637 km (0.11 R)
• M13: 8,555,801 km (0.116 R)
• M14: 9,122,329 km (0.092 R)
• M15: 9,794,173 km (0.042 R)
• M16: 10,371,920 km (0.097 R)
• M17: 10,972,256 km (0.112 R)
• M18: 13,657,986 km (0.1 R)
• M19: 15,953,566 km (0.047 R)
• M20: 16,407,446 km (0.109 R)
• M21: 18,995,788 km (0.106 R)
• M22: 21,090,308 km (0.036 R)
• M23: 24,364,108 km (0.119 R)
• M24: 25,194,525 km (0.109 R)
• M25: 25,578,094 km (0.074 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 729.8

Radius: 13.4

Gravity: 4.06 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.26 AU - 5.6 AU

Year: 4214 Days

Day: 10 Hours

Environment

Temp: -141 °C

Axial Tilt: 4.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 68,952,880 km

• M1: 166,802 km (0.078 R)
• M2: 717,023 km (0.094 R)
• M3: 1,518,718 km (0.098 R)
• M4: 2,010,745 km (0.118 R)
• M5: 2,576,973 km (0.116 R)
• M6: 3,024,570 km (0.106 R)
• M7: 3,881,018 km (0.082 R)
• M8: 4,308,269 km (0.095 R)
• M9: 5,586,583 km (0.088 R)
• M10: 6,405,631 km (0.058 R)
• M11: 7,370,537 km (0.077 R)
• M12: 8,210,380 km (0.045 R)
• M13: 10,546,949 km (0.109 R)
• M14: 11,027,308 km (0.07 R)
• M15: 13,246,742 km (0.079 R)
• M16: 14,014,029 km (0.076 R)
• M17: 14,595,367 km (0.104 R)
• M18: 15,919,607 km (0.104 R)
• M19: 16,611,198 km (0.103 R)
• M20: 17,202,558 km (0.075 R)
• M21: 18,116,153 km (0.055 R)
• M22: 19,710,267 km (0.068 R)
• M23: 21,955,432 km (0.116 R)
• M24: 23,469,961 km (0.082 R)
• M25: 24,976,262 km (0.109 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 743

Radius: 10.1

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.107

Orbit Range: 4.5 AU - 5.58 AU

Year: 4356 Days

Day: 11.6 Hours

Environment

Temp: -144 °C

Axial Tilt: 23.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 68,952,880 km

• M1: 125,812 km (0.061 R)
• M2: 468,391 km (0.103 R)
• M3: 791,672 km (0.12 R)
• M4: 1,194,389 km (0.081 R)
• M5: 1,875,359 km (0.106 R)
• M6: 2,334,624 km (0.062 R)
• M7: 3,013,799 km (0.113 R)
• M8: 3,775,850 km (0.116 R)
• M9: 4,562,286 km (0.092 R)
• M10: 6,030,889 km (0.06 R)
• M11: 6,615,816 km (0.04 R)
• M12: 7,827,709 km (0.11 R)
• M13: 8,868,311 km (0.072 R)
• M14: 9,221,662 km (0.064 R)
• M15: 9,625,277 km (0.108 R)
• M16: 10,424,578 km (0.083 R)
• M17: 11,086,549 km (0.099 R)
• M18: 11,682,547 km (0.068 R)
• M19: 12,888,904 km (0.029 R)
• M20: 14,070,278 km (0.118 R)
• M21: 14,443,674 km (0.087 R)
• M22: 15,378,512 km (0.106 R)
• M23: 16,062,174 km (0.03 R)
• M24: 16,470,277 km (0.09 R)
• M25: 17,005,089 km (0.099 R)
• M26: 17,984,656 km (0.033 R)
• M27: 18,551,782 km (0.026 R)
• M28: 18,872,071 km (0.114 R)
• M29: 21,358,088 km (0.091 R)
• M30: 23,453,505 km (0.1 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 937

Radius: 13.5

Gravity: 5.14 G

Time & Orbit

Eccentricity (e): 0.184

Orbit Range: 4.26 AU - 6.18 AU

Year: 4592 Days

Day: 7.9 Hours

Environment

Temp: -160 °C

Axial Tilt: 31.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 68,952,880 km

• M1: 167,998 km (0.084 R)
• M2: 608,863 km (0.117 R)
• M3: 1,088,325 km (0.12 R)
• M4: 1,737,729 km (0.118 R)
• M5: 2,229,607 km (0.047 R)
• M6: 3,543,974 km (0.094 R)
• M7: 5,524,051 km (0.111 R)
• M8: 6,836,922 km (0.057 R)
• M9: 9,727,302 km (0.066 R)
• M10: 10,204,520 km (0.073 R)
• M11: 11,730,717 km (0.1 R)
• M12: 13,036,706 km (0.118 R)
• M13: 18,972,301 km (0.098 R)
• M14: 21,855,202 km (0.113 R)
• M15: 23,827,949 km (0.047 R)
• M16: 25,342,777 km (0.081 R)

Planet 9 - Gas Giant

Semi-Major Axis: 7.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 23.5

Radius: 12.2

Gravity: 0.16 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 7.16 AU - 8.6 AU

Year: 8516 Days

Day: 6.3 Hours

Environment

Temp: -172 °C

Axial Tilt: 8.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 68,952,880 km

• M1: 152,590 km (0.075 R)
• M2: 740,061 km (0.115 R)
• M3: 1,126,771 km (0.084 R)
• M4: 1,934,450 km (0.072 R)
• M5: 2,994,501 km (0.062 R)
• M6: 4,408,799 km (0.066 R)
• M7: 5,536,468 km (0.112 R)
• M8: 7,453,564 km (0.095 R)
• M9: 8,894,641 km (0.112 R)
• M10: 11,795,942 km (0.119 R)
• M11: 13,380,034 km (0.083 R)

Planet 10 - Ice Giant

Semi-Major Axis: 11.75 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 848

Radius: 3.5

Gravity: 69.22 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 11.63 AU - 11.87 AU

Year: 15507 Days

Day: 18 Hours

Environment

Temp: -188 °C

Axial Tilt: 18.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (41)

Outer Limit: 68,952,880 km

• M1: 48,619 km (0.1 R)
• M2: 271,520 km (0.097 R)
• M3: 400,324 km (0.095 R)
• M4: 1,094,608 km (0.12 R)
• M5: 1,430,305 km (0.116 R)
• M6: 1,572,423 km (0.094 R)
• M7: 1,812,528 km (0.102 R)
• M8: 2,322,806 km (0.114 R)
• M9: 3,048,954 km (0.09 R)
• M10: 4,162,710 km (0.097 R)
• M11: 4,689,295 km (0.109 R)
• M12: 5,676,641 km (0.098 R)
• M13: 5,873,512 km (0.08 R)
• M14: 6,075,020 km (0.117 R)
• M15: 6,972,009 km (0.112 R)
• M16: 8,452,130 km (0.077 R)
• M17: 9,024,043 km (0.111 R)
• M18: 9,845,036 km (0.057 R)
• M19: 11,383,650 km (0.111 R)
• M20: 12,340,628 km (0.036 R)
• M21: 12,604,668 km (0.09 R)
• M22: 17,521,501 km (0.094 R)
• M23: 20,861,872 km (0.097 R)
• M24: 21,330,712 km (0.071 R)
• M25: 25,126,159 km (0.11 R)
• M26: 25,763,745 km (0.108 R)
• M27: 27,404,984 km (0.079 R)
• M28: 33,889,602 km (0.086 R)
• M29: 34,147,659 km (0.09 R)
• M30: 34,537,212 km (0.076 R)
• M31: 35,457,538 km (0.036 R)
• M32: 35,723,523 km (0.116 R)
• M33: 40,740,736 km (0.098 R)
• M34: 42,962,713 km (0.106 R)
• M35: 56,370,123 km (0.107 R)
• M36: 57,278,482 km (0.04 R)
• M37: 59,686,110 km (0.113 R)
• M38: 60,629,923 km (0.079 R)
• M39: 63,716,426 km (0.07 R)
• M40: 64,306,589 km (0.057 R)
• M41: 67,515,913 km (0.056 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 336 - 10,817 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit