🌌 Stone's Star System Generator

Planet 1 - Terrestrial

Semi-Major Axis: 0.5 AU

Status: Outer (Cold)

Composition: Rocky (Silicates/Metals)

Physical Data

Mass: 0.7

Radius: 0.87

Gravity: 0.92 G

Time & Orbit

Eccentricity (e): 0.14

Orbit Range: 0.43 AU - 0.57 AU

Year: 228 Days

Day: 25.9 Hours

Environment

Temp: -108 °C

Axial Tilt: 21.4 °

Atmosphere: Thin N₂/CH₄

Biome: Ice Cap/Desert

Planet 2 - Gas Giant

Semi-Major Axis: 0.88 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 177.8

Radius: 12.2

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.006

Orbit Range: 0.87 AU - 0.89 AU

Year: 533 Days

Day: 6.5 Hours

Environment

Temp: -142 °C

Axial Tilt: 37.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 87,126,944 km

• M1: 152,291 km (0.114 R)
• M2: 571,913 km (0.095 R)
• M3: 1,375,104 km (0.038 R)
• M4: 1,790,687 km (0.081 R)
• M5: 2,372,473 km (0.113 R)
• M6: 3,127,493 km (0.053 R)
• M7: 4,206,393 km (0.102 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.9 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 719.2

Radius: 11.7

Gravity: 5.25 G

Time & Orbit

Eccentricity (e): 0.106

Orbit Range: 0.8 AU - 1 AU

Year: 551 Days

Day: 7.5 Hours

Environment

Temp: -155 °C

Axial Tilt: 47.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 87,126,944 km

• M1: 146,008 km (0.115 R)
• M2: 604,675 km (0.096 R)
• M3: 1,466,209 km (0.078 R)
• M4: 1,857,258 km (0.105 R)
• M5: 2,337,916 km (0.114 R)
• M6: 3,697,311 km (0.074 R)
• M7: 4,212,676 km (0.068 R)
• M8: 5,758,620 km (0.084 R)
• M9: 6,710,212 km (0.11 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 334.5

Radius: 12.5

Gravity: 2.14 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 0.73 AU - 1.13 AU

Year: 579 Days

Day: 9.7 Hours

Environment

Temp: -146 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 87,126,944 km

• M1: 164,408 km (0.093 R)
• M2: 711,487 km (0.102 R)
• M3: 1,135,897 km (0.118 R)
• M4: 1,562,251 km (0.104 R)
• M5: 2,206,120 km (0.084 R)
• M6: 3,118,816 km (0.069 R)
• M7: 4,733,426 km (0.068 R)
• M8: 5,390,161 km (0.035 R)

Asteroid Belt

Center: 1.54 AU

Composition

Type: Far Outer (Icy/Cometary)

A dense region of planetesimals and debris.

Boundary

Planet 5 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 521.7

Radius: 14.6

Gravity: 2.45 G

Time & Orbit

Eccentricity (e): 0.054

Orbit Range: 2.03 AU - 2.27 AU

Year: 2036 Days

Day: 7.1 Hours

Environment

Temp: -193 °C

Axial Tilt: 9.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,126,944 km

• M1: 181,911 km (0.04 R)
• M2: 897,438 km (0.108 R)
• M3: 1,379,741 km (0.103 R)
• M4: 2,261,621 km (0.084 R)
• M5: 3,162,349 km (0.1 R)
• M6: 3,995,310 km (0.025 R)
• M7: 4,682,563 km (0.105 R)
• M8: 5,162,174 km (0.072 R)
• M9: 6,027,298 km (0.095 R)
• M10: 6,545,804 km (0.103 R)
• M11: 7,120,859 km (0.069 R)
• M12: 9,275,218 km (0.115 R)
• M13: 10,172,805 km (0.061 R)
• M14: 11,421,947 km (0.113 R)
• M15: 12,492,918 km (0.088 R)
• M16: 14,527,150 km (0.096 R)

Planet 6 - Gas Giant

Semi-Major Axis: 4.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 700.7

Radius: 11.9

Gravity: 4.95 G

Time & Orbit

Eccentricity (e): 0

Orbit Range: 4.93 AU - 4.93 AU

Year: 7068 Days

Day: 8 Hours

Environment

Temp: -221 °C

Axial Tilt: 26.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 87,126,944 km

• M1: 147,952 km (0.085 R)
• M2: 630,854 km (0.113 R)
• M3: 1,013,226 km (0.058 R)
• M4: 1,410,558 km (0.082 R)
• M5: 2,976,100 km (0.087 R)
• M6: 5,301,599 km (0.099 R)
• M7: 7,481,090 km (0.067 R)
• M8: 11,680,602 km (0.105 R)
• M9: 13,018,156 km (0.073 R)
• M10: 15,059,120 km (0.09 R)
• M11: 15,868,893 km (0.097 R)
• M12: 16,381,416 km (0.09 R)
• M13: 22,773,284 km (0.085 R)
• M14: 23,923,542 km (0.051 R)
• M15: 37,638,076 km (0.089 R)
• M16: 38,092,555 km (0.072 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.43 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 668.1

Radius: 6.2

Gravity: 17.38 G

Time & Orbit

Eccentricity (e): 0.032

Orbit Range: 6.22 AU - 6.64 AU

Year: 10528 Days

Day: 18 Hours

Environment

Temp: -232 °C

Axial Tilt: 31 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (32)

Outer Limit: 87,126,944 km

• M1: 77,641 km (0.104 R)
• M2: 799,451 km (0.071 R)
• M3: 1,376,899 km (0.105 R)
• M4: 1,612,216 km (0.118 R)
• M5: 2,164,980 km (0.094 R)
• M6: 2,524,913 km (0.099 R)
• M7: 2,793,591 km (0.034 R)
• M8: 3,035,640 km (0.118 R)
• M9: 3,462,293 km (0.056 R)
• M10: 4,036,899 km (0.032 R)
• M11: 4,232,573 km (0.101 R)
• M12: 5,241,909 km (0.109 R)
• M13: 5,508,942 km (0.085 R)
• M14: 10,686,225 km (0.087 R)
• M15: 12,593,897 km (0.112 R)
• M16: 13,942,522 km (0.106 R)
• M17: 16,779,944 km (0.057 R)
• M18: 17,360,833 km (0.096 R)
• M19: 19,262,671 km (0.088 R)
• M20: 19,659,105 km (0.1 R)
• M21: 19,899,509 km (0.107 R)
• M22: 20,223,089 km (0.057 R)
• M23: 22,239,219 km (0.066 R)
• M24: 24,385,351 km (0.066 R)
• M25: 27,257,330 km (0.05 R)
• M26: 30,347,125 km (0.106 R)
• M27: 36,362,306 km (0.092 R)
• M28: 40,224,623 km (0.099 R)
• M29: 44,351,730 km (0.105 R)
• M30: 45,460,848 km (0.064 R)
• M31: 45,741,045 km (0.115 R)
• M32: 47,446,161 km (0.078 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.65 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 229.2

Radius: 6.9

Gravity: 4.81 G

Time & Orbit

Eccentricity (e): 0.056

Orbit Range: 6.28 AU - 7.02 AU

Year: 11073 Days

Day: 23.9 Hours

Environment

Temp: -216 °C

Axial Tilt: 7.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 87,126,944 km

• M1: 282,890 km (0.088 R)
• M2: 601,982 km (0.098 R)
• M3: 832,811 km (0.105 R)
• M4: 1,494,632 km (0.113 R)
• M5: 2,097,661 km (0.114 R)
• M6: 3,091,739 km (0.095 R)
• M7: 4,240,352 km (0.039 R)
• M8: 4,661,619 km (0.081 R)
• M9: 5,805,744 km (0.089 R)
• M10: 6,875,668 km (0.092 R)
• M11: 8,801,740 km (0.115 R)
• M12: 10,819,816 km (0.076 R)
• M13: 13,072,909 km (0.092 R)
• M14: 20,844,967 km (0.045 R)
• M15: 22,214,985 km (0.112 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.78 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 787.7

Radius: 4.4

Gravity: 40.69 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 9.01 AU - 12.55 AU

Year: 22853 Days

Day: 20.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 87,126,944 km

• M1: 63,130 km (0.046 R)
• M2: 216,767 km (0.084 R)
• M3: 354,547 km (0.029 R)
• M4: 588,368 km (0.097 R)
• M5: 3,917,370 km (0.116 R)
• M6: 6,012,039 km (0.085 R)
• M7: 6,323,203 km (0.055 R)
• M8: 7,026,014 km (0.084 R)
• M9: 7,371,136 km (0.089 R)
• M10: 8,042,232 km (0.061 R)
• M11: 9,504,850 km (0.081 R)
• M12: 9,744,506 km (0.113 R)
• M13: 10,938,746 km (0.096 R)
• M14: 14,462,524 km (0.105 R)
• M15: 15,182,688 km (0.094 R)
• M16: 16,350,150 km (0.08 R)
• M17: 17,486,794 km (0.119 R)
• M18: 29,411,390 km (0.097 R)
• M19: 30,177,182 km (0.104 R)
• M20: 32,962,245 km (0.065 R)
• M21: 37,527,823 km (0.108 R)
• M22: 37,826,420 km (0.106 R)
• M23: 40,585,454 km (0.104 R)
• M24: 42,984,704 km (0.105 R)
• M25: 53,339,420 km (0.095 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: 457 - 15,575 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit