🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.92

Radius: 0.97

Gravity: 0.98 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 0.4 AU - 0.6 AU

Year: 228 Days

Day: 12.1 Hours

Environment

Temp: -106 °C

Axial Tilt: 8.2 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.96 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 787.4

Radius: 8.3

Gravity: 11.43 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 0.85 AU - 1.07 AU

Year: 607 Days

Day: 8.2 Hours

Environment

Temp: -163 °C

Axial Tilt: 16.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 79,821,107 km

• M1: 103,223 km (0.119 R)
• M2: 363,523 km (0.11 R)
• M3: 626,965 km (0.04 R)
• M4: 960,418 km (0.104 R)
• M5: 1,242,859 km (0.091 R)
• M6: 1,558,511 km (0.083 R)
• M7: 1,927,569 km (0.082 R)
• M8: 2,293,934 km (0.07 R)
• M9: 2,684,085 km (0.072 R)
• M10: 3,792,007 km (0.087 R)
• M11: 4,323,827 km (0.081 R)
• M12: 4,640,227 km (0.038 R)
• M13: 5,248,940 km (0.096 R)
• M14: 6,240,625 km (0.066 R)
• M15: 7,132,826 km (0.055 R)

Asteroid Belt

Center: 1.32 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 1.67 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 148.5

Radius: 10.3

Gravity: 1.4 G

Time & Orbit

Eccentricity (e): 0.215

Orbit Range: 1.31 AU - 2.03 AU

Year: 1393 Days

Day: 6.6 Hours

Environment

Temp: -180 °C

Axial Tilt: 2.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 79,821,107 km

• M1: 128,205 km (0.097 R)
• M2: 480,209 km (0.104 R)
• M3: 1,813,575 km (0.114 R)
• M4: 4,527,430 km (0.076 R)
• M5: 6,349,532 km (0.094 R)
• M6: 7,204,334 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 110.9

Radius: 11.3

Gravity: 0.87 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 2.64 AU - 3.32 AU

Year: 3322 Days

Day: 13.8 Hours

Environment

Temp: -202 °C

Axial Tilt: 15 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 79,821,107 km

• M1: 140,472 km (0.106 R)
• M2: 1,262,008 km (0.097 R)
• M3: 1,985,014 km (0.112 R)
• M4: 3,008,264 km (0.067 R)
• M5: 3,654,078 km (0.117 R)
• M6: 5,325,535 km (0.101 R)
• M7: 7,589,100 km (0.111 R)
• M8: 9,476,576 km (0.087 R)
• M9: 9,977,729 km (0.069 R)
• M10: 10,729,159 km (0.108 R)

Planet 5 - Gas Giant

Semi-Major Axis: 3.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 206.7

Radius: 11.7

Gravity: 1.51 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 2.87 AU - 4.15 AU

Year: 4246 Days

Day: 8.3 Hours

Environment

Temp: -212 °C

Axial Tilt: 22.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 79,821,107 km

• M1: 161,416 km (0.032 R)
• M2: 859,889 km (0.029 R)
• M3: 1,538,315 km (0.039 R)
• M4: 1,945,371 km (0.094 R)
• M5: 2,343,899 km (0.046 R)
• M6: 2,812,590 km (0.052 R)
• M7: 3,225,480 km (0.113 R)
• M8: 3,697,311 km (0.083 R)
• M9: 5,515,823 km (0.082 R)
• M10: 11,927,887 km (0.053 R)
• M11: 12,339,880 km (0.078 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 568.2

Radius: 5.8

Gravity: 16.89 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 4.96 AU - 7.16 AU

Year: 9632 Days

Day: 17.7 Hours

Environment

Temp: -219 °C

Axial Tilt: 7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 79,821,107 km

• M1: 72,555 km (0.11 R)
• M2: 269,127 km (0.056 R)
• M3: 591,959 km (0.076 R)
• M4: 773,870 km (0.064 R)
• M5: 1,442,871 km (0.083 R)
• M6: 1,952,402 km (0.038 R)
• M7: 2,734,051 km (0.066 R)
• M8: 3,910,638 km (0.112 R)
• M9: 6,601,006 km (0.101 R)
• M10: 7,328,500 km (0.084 R)
• M11: 8,409,196 km (0.11 R)
• M12: 8,628,506 km (0.111 R)
• M13: 9,356,300 km (0.089 R)
• M14: 10,676,202 km (0.095 R)
• M15: 11,407,137 km (0.098 R)
• M16: 12,004,631 km (0.049 R)
• M17: 12,794,807 km (0.116 R)
• M18: 13,619,241 km (0.115 R)
• M19: 14,353,616 km (0.115 R)
• M20: 16,714,720 km (0.105 R)
• M21: 17,484,850 km (0.055 R)
• M22: 20,327,658 km (0.113 R)
• M23: 20,723,344 km (0.111 R)
• M24: 30,676,091 km (0.062 R)
• M25: 33,666,702 km (0.062 R)
• M26: 35,803,258 km (0.074 R)
• M27: 38,508,437 km (0.097 R)
• M28: 41,094,685 km (0.091 R)
• M29: 43,141,184 km (0.112 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 576.5

Radius: 7.5

Gravity: 10.25 G

Time & Orbit

Eccentricity (e): 0.051

Orbit Range: 7.52 AU - 8.32 AU

Year: 14391 Days

Day: 19.7 Hours

Environment

Temp: -229 °C

Axial Tilt: 14.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 79,821,107 km

• M1: 100,979 km (0.04 R)
• M2: 452,085 km (0.089 R)
• M3: 731,982 km (0.066 R)
• M4: 993,180 km (0.07 R)
• M5: 1,469,051 km (0.036 R)
• M6: 2,125,636 km (0.115 R)
• M7: 3,834,792 km (0.118 R)
• M8: 5,134,349 km (0.094 R)
• M9: 5,554,120 km (0.075 R)
• M10: 5,883,983 km (0.111 R)
• M11: 7,206,279 km (0.033 R)
• M12: 7,778,042 km (0.115 R)
• M13: 8,098,182 km (0.096 R)
• M14: 8,332,302 km (0.091 R)
• M15: 10,045,796 km (0.055 R)
• M16: 10,871,726 km (0.088 R)
• M17: 11,388,587 km (0.099 R)
• M18: 12,103,066 km (0.081 R)
• M19: 13,165,809 km (0.098 R)
• M20: 14,770,247 km (0.087 R)
• M21: 16,575,893 km (0.089 R)
• M22: 19,510,853 km (0.119 R)
• M23: 20,968,834 km (0.11 R)
• M24: 29,250,273 km (0.116 R)
• M25: 31,848,190 km (0.065 R)
• M26: 35,462,474 km (0.084 R)
• M27: 36,597,922 km (0.108 R)
• M28: 44,068,391 km (0.108 R)
• M29: 47,018,910 km (0.079 R)
• M30: 52,494,342 km (0.062 R)
• M31: 56,826,546 km (0.079 R)

Planet 8 - Ice Giant

Semi-Major Axis: 10.92 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 582.7

Radius: 4

Gravity: 36.42 G

Time & Orbit

Eccentricity (e): 0.205

Orbit Range: 8.68 AU - 13.16 AU

Year: 23300 Days

Day: 22.5 Hours

Environment

Temp: -241 °C

Axial Tilt: 24.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 79,821,107 km

• M1: 49,966 km (0.042 R)
• M2: 194,627 km (0.111 R)
• M3: 358,436 km (0.06 R)
• M4: 687,851 km (0.108 R)
• M5: 934,388 km (0.115 R)
• M6: 1,085,033 km (0.111 R)
• M7: 1,281,306 km (0.099 R)
• M8: 1,568,085 km (0.05 R)
• M9: 1,763,609 km (0.071 R)
• M10: 2,566,950 km (0.08 R)
• M11: 2,737,940 km (0.098 R)
• M12: 3,325,411 km (0.056 R)
• M13: 3,897,025 km (0.066 R)
• M14: 4,156,278 km (0.05 R)
• M15: 5,041,149 km (0.027 R)
• M16: 9,608,222 km (0.096 R)
• M17: 10,569,389 km (0.118 R)
• M18: 10,945,777 km (0.087 R)
• M19: 12,821,435 km (0.074 R)
• M20: 13,834,961 km (0.114 R)
• M21: 14,134,007 km (0.078 R)
• M22: 14,900,696 km (0.092 R)
• M23: 15,614,128 km (0.108 R)
• M24: 21,554,959 km (0.052 R)
• M25: 23,297,924 km (0.068 R)
• M26: 32,113,577 km (0.068 R)
• M27: 33,838,141 km (0.064 R)
• M28: 34,517,465 km (0.091 R)
• M29: 34,791,678 km (0.104 R)
• M30: 47,330,522 km (0.096 R)
• M31: 58,591,652 km (0.113 R)
• M32: 65,045,902 km (0.076 R)
• M33: 66,942,953 km (0.093 R)
• M34: 78,630,436 km (0.111 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: 440 - 12,734 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit