🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.31 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.61 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 248.3

Radius: 13.5

Gravity: 1.36 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 0.53 AU - 0.69 AU

Year: 329 Days

Day: 13.4 Hours

Environment

Temp: -155 °C

Axial Tilt: 29.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 35,203,620 km

• M1: 167,849 km (0.027 R)
• M2: 654,042 km (0.046 R)
• M3: 1,076,805 km (0.079 R)
• M4: 1,692,850 km (0.073 R)
• M5: 2,183,231 km (0.117 R)
• M6: 2,635,466 km (0.111 R)
• M7: 3,399,013 km (0.052 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 202.8

Radius: 14.5

Gravity: 0.96 G

Time & Orbit

Eccentricity (e): 0.044

Orbit Range: 0.67 AU - 0.73 AU

Year: 404 Days

Day: 13.4 Hours

Environment

Temp: -162 °C

Axial Tilt: 26.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 35,203,620 km

• M1: 180,415 km (0.109 R)
• M2: 655,538 km (0.052 R)
• M3: 1,238,670 km (0.057 R)
• M4: 1,740,571 km (0.073 R)
• M5: 2,372,772 km (0.089 R)
• M6: 3,261,682 km (0.087 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.08 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 530.4

Radius: 12.3

Gravity: 3.51 G

Time & Orbit

Eccentricity (e): 0.068

Orbit Range: 1.01 AU - 1.15 AU

Year: 775 Days

Day: 6.1 Hours

Environment

Temp: -169 °C

Axial Tilt: 78.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 35,203,620 km

• M1: 153,188 km (0.109 R)
• M2: 586,872 km (0.12 R)
• M3: 1,004,550 km (0.076 R)
• M4: 1,437,037 km (0.12 R)
• M5: 1,907,672 km (0.055 R)
• M6: 2,460,287 km (0.11 R)
• M7: 2,878,861 km (0.108 R)
• M8: 3,665,597 km (0.085 R)
• M9: 4,415,980 km (0.09 R)
• M10: 4,937,478 km (0.1 R)
• M11: 5,815,767 km (0.077 R)
• M12: 7,247,568 km (0.114 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 550.3

Radius: 8.8

Gravity: 7.11 G

Time & Orbit

Eccentricity (e): 0.242

Orbit Range: 1.02 AU - 1.66 AU

Year: 1071 Days

Day: 10.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 37.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,203,620 km

• M1: 109,655 km (0.103 R)
• M2: 646,113 km (0.084 R)
• M3: 985,102 km (0.066 R)
• M4: 1,329,476 km (0.108 R)
• M5: 1,622,688 km (0.088 R)
• M6: 2,150,469 km (0.081 R)
• M7: 2,582,508 km (0.117 R)
• M8: 2,876,617 km (0.104 R)
• M9: 3,621,465 km (0.092 R)
• M10: 3,975,414 km (0.111 R)
• M11: 4,318,741 km (0.119 R)
• M12: 4,664,162 km (0.086 R)
• M13: 5,669,460 km (0.102 R)
• M14: 6,496,886 km (0.093 R)
• M15: 7,354,082 km (0.077 R)
• M16: 7,898,468 km (0.059 R)
• M17: 8,765,089 km (0.096 R)
• M18: 9,207,450 km (0.074 R)
• M19: 9,781,307 km (0.041 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.62 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 723.9

Radius: 12.8

Gravity: 4.42 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 1.58 AU - 1.66 AU

Year: 1423 Days

Day: 7.2 Hours

Environment

Temp: -187 °C

Axial Tilt: 13.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 35,203,620 km

• M1: 163,959 km (0.117 R)
• M2: 562,488 km (0.08 R)
• M3: 1,226,703 km (0.063 R)
• M4: 1,763,759 km (0.12 R)
• M5: 2,556,179 km (0.09 R)
• M6: 2,985,375 km (0.106 R)
• M7: 4,826,027 km (0.097 R)
• M8: 5,574,765 km (0.106 R)
• M9: 6,023,409 km (0.076 R)
• M10: 7,018,982 km (0.086 R)
• M11: 7,897,720 km (0.065 R)
• M12: 8,640,623 km (0.108 R)
• M13: 9,120,533 km (0.06 R)
• M14: 9,841,745 km (0.081 R)
• M15: 10,668,423 km (0.115 R)
• M16: 11,116,319 km (0.073 R)
• M17: 11,939,556 km (0.106 R)
• M18: 12,996,165 km (0.096 R)

Asteroid Belt

Center: 2.37 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 3.11 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 798.5

Radius: 11.4

Gravity: 6.14 G

Time & Orbit

Eccentricity (e): 0.03

Orbit Range: 3.02 AU - 3.2 AU

Year: 3786 Days

Day: 12.8 Hours

Environment

Temp: -209 °C

Axial Tilt: 47.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,203,620 km

• M1: 141,819 km (0.063 R)
• M2: 587,471 km (0.106 R)
• M3: 1,111,363 km (0.09 R)
• M4: 2,101,102 km (0.105 R)
• M5: 2,471,207 km (0.099 R)
• M6: 3,707,484 km (0.092 R)
• M7: 4,486,590 km (0.084 R)
• M8: 6,369,429 km (0.061 R)
• M9: 7,057,429 km (0.109 R)
• M10: 8,730,233 km (0.116 R)
• M11: 13,137,087 km (0.056 R)
• M12: 15,760,435 km (0.094 R)
• M13: 16,843,224 km (0.048 R)
• M14: 20,455,265 km (0.093 R)
• M15: 22,020,657 km (0.047 R)
• M16: 23,300,467 km (0.092 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.31 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 679.9

Radius: 9.6

Gravity: 7.38 G

Time & Orbit

Eccentricity (e): 0.151

Orbit Range: 3.66 AU - 4.96 AU

Year: 6176 Days

Day: 8.4 Hours

Environment

Temp: -223 °C

Axial Tilt: 49.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 35,203,620 km

• M1: 119,379 km (0.075 R)
• M2: 467,643 km (0.036 R)
• M3: 1,043,146 km (0.109 R)
• M4: 1,383,930 km (0.054 R)
• M5: 1,718,281 km (0.097 R)
• M6: 2,809,747 km (0.074 R)
• M7: 3,616,379 km (0.106 R)
• M8: 4,361,676 km (0.092 R)
• M9: 4,703,507 km (0.102 R)
• M10: 5,235,028 km (0.025 R)
• M11: 6,723,377 km (0.066 R)
• M12: 10,009,294 km (0.05 R)
• M13: 10,794,683 km (0.091 R)
• M14: 11,620,463 km (0.028 R)
• M15: 13,562,693 km (0.079 R)
• M16: 14,991,801 km (0.118 R)
• M17: 18,964,821 km (0.115 R)
• M18: 22,253,431 km (0.058 R)
• M19: 23,349,535 km (0.112 R)
• M20: 25,479,958 km (0.114 R)
• M21: 26,246,647 km (0.076 R)
• M22: 26,853,566 km (0.113 R)
• M23: 32,247,766 km (0.096 R)
• M24: 34,366,520 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 4.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 810.9

Radius: 14

Gravity: 4.14 G

Time & Orbit

Eccentricity (e): 0.016

Orbit Range: 4.68 AU - 4.84 AU

Year: 7168 Days

Day: 5.8 Hours

Environment

Temp: -214 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (19)

Outer Limit: 35,203,620 km

• M1: 174,581 km (0.113 R)
• M2: 640,877 km (0.106 R)
• M3: 1,130,062 km (0.027 R)
• M4: 1,805,945 km (0.105 R)
• M5: 4,084,770 km (0.045 R)
• M6: 4,873,749 km (0.113 R)
• M7: 6,025,802 km (0.071 R)
• M8: 7,545,567 km (0.037 R)
• M9: 9,129,210 km (0.084 R)
• M10: 12,336,888 km (0.104 R)
• M11: 15,521,078 km (0.113 R)
• M12: 17,302,939 km (0.091 R)
• M13: 20,340,523 km (0.053 R)
• M14: 22,471,246 km (0.072 R)
• M15: 24,142,852 km (0.081 R)
• M16: 26,895,752 km (0.106 R)
• M17: 30,748,795 km (0.092 R)
• M18: 31,869,882 km (0.118 R)
• M19: 40,130,377 km (0.092 R)

Planet 9 - Ice Giant

Semi-Major Axis: 5.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 697.5

Radius: 7.1

Gravity: 13.84 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 4.92 AU - 6.46 AU

Year: 9369 Days

Day: 15.8 Hours

Environment

Temp: -227 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (38)

Outer Limit: 35,203,620 km

• M1: 91,404 km (0.082 R)
• M2: 419,622 km (0.093 R)
• M3: 741,407 km (0.058 R)
• M4: 1,235,678 km (0.096 R)
• M5: 1,699,581 km (0.116 R)
• M6: 1,964,220 km (0.116 R)
• M7: 2,499,032 km (0.087 R)
• M8: 2,800,921 km (0.097 R)
• M9: 3,172,372 km (0.079 R)
• M10: 3,576,137 km (0.115 R)
• M11: 5,410,955 km (0.033 R)
• M12: 5,711,497 km (0.054 R)
• M13: 6,201,281 km (0.096 R)
• M14: 6,833,182 km (0.098 R)
• M15: 7,923,900 km (0.078 R)
• M16: 8,758,058 km (0.076 R)
• M17: 9,219,866 km (0.117 R)
• M18: 9,504,701 km (0.084 R)
• M19: 10,142,137 km (0.082 R)
• M20: 10,445,671 km (0.083 R)
• M21: 10,755,339 km (0.076 R)
• M22: 11,339,070 km (0.084 R)
• M23: 12,919,871 km (0.077 R)
• M24: 14,135,353 km (0.094 R)
• M25: 14,578,163 km (0.1 R)
• M26: 15,226,969 km (0.03 R)
• M27: 16,235,857 km (0.113 R)
• M28: 16,932,833 km (0.115 R)
• M29: 19,529,553 km (0.085 R)
• M30: 23,418,350 km (0.088 R)
• M31: 28,891,388 km (0.111 R)
• M32: 29,195,520 km (0.103 R)
• M33: 34,019,753 km (0.077 R)
• M34: 38,364,075 km (0.12 R)
• M35: 39,349,626 km (0.096 R)
• M36: 39,723,471 km (0.064 R)
• M37: 40,478,491 km (0.059 R)
• M38: 42,538,304 km (0.101 R)

Planet 10 - Ice Giant

Semi-Major Axis: 6.66 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 192.8

Radius: 5.4

Gravity: 6.61 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.83 AU - 7.49 AU

Year: 11864 Days

Day: 24.7 Hours

Environment

Temp: -236 °C

Axial Tilt: 120.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 35,203,620 km

• M1: 96,341 km (0.113 R)
• M2: 889,060 km (0.088 R)
• M3: 1,949,859 km (0.084 R)
• M4: 3,039,829 km (0.054 R)
• M5: 5,477,825 km (0.083 R)
• M6: 6,041,510 km (0.115 R)
• M7: 8,280,093 km (0.114 R)
• M8: 14,190,106 km (0.089 R)
• M9: 14,772,042 km (0.104 R)
• M10: 15,369,835 km (0.077 R)
• M11: 16,549,564 km (0.08 R)
• M12: 17,522,698 km (0.101 R)
• M13: 19,088,090 km (0.107 R)
• M14: 20,744,288 km (0.106 R)
• M15: 23,848,743 km (0.107 R)
• M16: 24,504,730 km (0.11 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: 236 - 15,389 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit