🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.7 AU

Status: Inner (Hot)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 1.09

Radius: 1.04

Gravity: 1.01 G

Time & Orbit

Eccentricity (e): 0.159

Orbit Range: 0.59 AU - 0.81 AU

Year: 212 Days

Day: 20.6 Hours

Environment

Temp: 136 °C

Axial Tilt: 38.4 °

Atmosphere: Dense CO₂

Biome: Volcanic/Barren

Satellites (1)

Outer Limit: 78,913,635 km

• M1: 71,209 km (0.09 R)

Planet 2 - Terrestrial

Semi-Major Axis: 1.07 AU

Status: HZ

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 2.73

Radius: 1.49

Gravity: 1.23 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 1.06 AU - 1.08 AU

Year: 400 Days

Day: 45.8 Hours

Environment

Temp: 14 °C

Axial Tilt: 18.3 °

Atmosphere: N₂, O₂

Biome: Arid/Tundra

Asteroid Belt

Center: 3.02 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 3 - Gas Giant

Semi-Major Axis: 4.97 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 815.7

Radius: 9.4

Gravity: 9.23 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 4.15 AU - 5.79 AU

Year: 4007 Days

Day: 6.5 Hours

Environment

Temp: -140 °C

Axial Tilt: 17 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 78,913,635 km

• M1: 116,986 km (0.079 R)
• M2: 430,094 km (0.093 R)
• M3: 1,114,055 km (0.095 R)
• M4: 1,509,742 km (0.105 R)
• M5: 1,970,802 km (0.111 R)
• M6: 2,395,959 km (0.094 R)
• M7: 3,082,464 km (0.078 R)
• M8: 3,616,229 km (0.047 R)
• M9: 4,050,512 km (0.068 R)
• M10: 5,850,773 km (0.092 R)
• M11: 6,544,159 km (0.115 R)
• M12: 7,190,870 km (0.116 R)
• M13: 8,387,055 km (0.075 R)
• M14: 9,032,719 km (0.11 R)
• M15: 11,856,978 km (0.067 R)
• M16: 12,427,245 km (0.119 R)
• M17: 12,916,430 km (0.072 R)
• M18: 14,248,300 km (0.119 R)
• M19: 16,356,433 km (0.083 R)
• M20: 17,182,961 km (0.038 R)
• M21: 20,028,911 km (0.103 R)
• M22: 23,766,763 km (0.037 R)
• M23: 24,292,899 km (0.079 R)

Planet 4 - Gas Giant

Semi-Major Axis: 5.39 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 501.6

Radius: 8.1

Gravity: 7.65 G

Time & Orbit

Eccentricity (e): 0.064

Orbit Range: 5.05 AU - 5.73 AU

Year: 4526 Days

Day: 6.9 Hours

Environment

Temp: -135 °C

Axial Tilt: 39.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,913,635 km

• M1: 100,829 km (0.056 R)
• M2: 389,702 km (0.098 R)
• M3: 827,575 km (0.058 R)
• M4: 1,570,927 km (0.116 R)
• M5: 2,634,718 km (0.095 R)
• M6: 3,233,558 km (0.099 R)
• M7: 4,117,233 km (0.116 R)
• M8: 4,555,405 km (0.118 R)
• M9: 5,024,394 km (0.114 R)
• M10: 5,390,161 km (0.053 R)
• M11: 6,844,252 km (0.037 R)
• M12: 8,147,100 km (0.05 R)
• M13: 12,798,098 km (0.098 R)
• M14: 13,136,787 km (0.094 R)
• M15: 13,581,243 km (0.106 R)
• M16: 14,762,467 km (0.113 R)
• M17: 16,066,662 km (0.111 R)
• M18: 20,569,857 km (0.104 R)

Planet 5 - Gas Giant

Semi-Major Axis: 11.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 54.1

Radius: 13.3

Gravity: 0.31 G

Time & Orbit

Eccentricity (e): 0.18

Orbit Range: 9.03 AU - 12.99 AU

Year: 13212 Days

Day: 12.7 Hours

Environment

Temp: -174 °C

Axial Tilt: 48.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,913,635 km

• M1: 169,046 km (0.09 R)
• M2: 671,395 km (0.109 R)
• M3: 1,361,490 km (0.114 R)
• M4: 2,289,296 km (0.1 R)
• M5: 3,765,378 km (0.05 R)
• M6: 5,064,486 km (0.066 R)
• M7: 7,596,281 km (0.102 R)
• M8: 8,386,905 km (0.075 R)
• M9: 9,461,168 km (0.102 R)
• M10: 13,237,018 km (0.081 R)
• M11: 14,743,768 km (0.075 R)
• M12: 16,870,152 km (0.098 R)
• M13: 17,799,005 km (0.112 R)
• M14: 19,695,607 km (0.11 R)
• M15: 22,613,962 km (0.077 R)
• M16: 23,528,604 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 11.09 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 168.4

Radius: 10.2

Gravity: 1.62 G

Time & Orbit

Eccentricity (e): 0.223

Orbit Range: 8.62 AU - 13.56 AU

Year: 13356 Days

Day: 13.5 Hours

Environment

Temp: -176 °C

Axial Tilt: 42.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 78,913,635 km

• M1: 127,009 km (0.082 R)
• M2: 463,005 km (0.101 R)
• M3: 1,208,003 km (0.097 R)
• M4: 1,696,141 km (0.043 R)
• M5: 2,086,890 km (0.083 R)
• M6: 2,815,582 km (0.078 R)
• M7: 3,346,355 km (0.105 R)
• M8: 3,846,760 km (0.085 R)
• M9: 4,422,562 km (0.093 R)
• M10: 10,512,841 km (0.095 R)
• M11: 10,895,811 km (0.071 R)
• M12: 11,791,304 km (0.052 R)
• M13: 13,899,288 km (0.087 R)
• M14: 16,183,647 km (0.08 R)
• M15: 19,341,808 km (0.106 R)
• M16: 21,254,566 km (0.079 R)
• M17: 22,100,692 km (0.108 R)
• M18: 28,942,401 km (0.107 R)
• M19: 33,248,276 km (0.11 R)
• M20: 35,768,103 km (0.1 R)

Planet 7 - Gas Giant

Semi-Major Axis: 12.17 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 432.5

Radius: 14.1

Gravity: 2.18 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 11.54 AU - 12.8 AU

Year: 15354 Days

Day: 12.7 Hours

Environment

Temp: -181 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (27)

Outer Limit: 78,913,635 km

• M1: 176,376 km (0.063 R)
• M2: 856,597 km (0.101 R)
• M3: 1,547,590 km (0.08 R)
• M4: 2,065,348 km (0.119 R)
• M5: 4,728,041 km (0.113 R)
• M6: 5,589,874 km (0.094 R)
• M7: 6,096,113 km (0.04 R)
• M8: 7,076,727 km (0.089 R)
• M9: 8,765,538 km (0.086 R)
• M10: 10,225,164 km (0.087 R)
• M11: 11,209,368 km (0.1 R)
• M12: 14,275,975 km (0.096 R)
• M13: 15,859,319 km (0.112 R)
• M14: 16,583,074 km (0.118 R)
• M15: 17,177,725 km (0.037 R)
• M16: 22,823,848 km (0.102 R)
• M17: 24,217,651 km (0.081 R)
• M18: 24,694,719 km (0.069 R)
• M19: 26,163,471 km (0.098 R)
• M20: 27,482,924 km (0.079 R)
• M21: 34,512,528 km (0.101 R)
• M22: 36,099,013 km (0.059 R)
• M23: 42,103,722 km (0.08 R)
• M24: 43,491,991 km (0.098 R)
• M25: 44,197,494 km (0.058 R)
• M26: 44,910,627 km (0.093 R)
• M27: 51,363,681 km (0.095 R)

Planet 8 - Ice Giant

Semi-Major Axis: 15.36 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 644.9

Radius: 7.3

Gravity: 12.1 G

Time & Orbit

Eccentricity (e): 0.033

Orbit Range: 14.85 AU - 15.87 AU

Year: 21771 Days

Day: 15.1 Hours

Environment

Temp: -183 °C

Axial Tilt: 12.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 78,913,635 km

• M1: 95,144 km (0.098 R)
• M2: 425,905 km (0.062 R)
• M3: 675,285 km (0.116 R)
• M4: 1,249,890 km (0.07 R)
• M5: 3,161,601 km (0.061 R)
• M6: 3,677,116 km (0.088 R)
• M7: 8,379,276 km (0.069 R)
• M8: 8,862,627 km (0.111 R)
• M9: 10,920,046 km (0.099 R)
• M10: 11,561,971 km (0.047 R)
• M11: 11,959,003 km (0.081 R)
• M12: 13,276,661 km (0.083 R)
• M13: 15,710,020 km (0.117 R)
• M14: 17,632,353 km (0.12 R)
• M15: 19,800,176 km (0.103 R)
• M16: 20,657,072 km (0.108 R)
• M17: 21,143,565 km (0.079 R)
• M18: 22,342,442 km (0.07 R)
• M19: 24,332,542 km (0.115 R)
• M20: 25,204,698 km (0.102 R)
• M21: 27,710,462 km (0.062 R)
• M22: 31,516,531 km (0.072 R)
• M23: 32,031,746 km (0.112 R)
• M24: 32,814,891 km (0.094 R)
• M25: 34,419,628 km (0.073 R)
• M26: 38,220,311 km (0.057 R)
• M27: 45,160,605 km (0.083 R)
• M28: 49,877,576 km (0.119 R)
• M29: 54,357,583 km (0.086 R)
• M30: 56,411,113 km (0.086 R)
• M31: 59,098,639 km (0.093 R)

Kuiper Belt

Range: 30.3 - 56.3 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 205 - 15,191 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit