🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.39 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.77 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 613.8

Radius: 8.7

Gravity: 8.11 G

Time & Orbit

Eccentricity (e): 0.203

Orbit Range: 0.61 AU - 0.93 AU

Year: 458 Days

Day: 13 Hours

Environment

Temp: -166 °C

Axial Tilt: 29.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 44,343,666 km

• M1: 108,159 km (0.062 R)
• M2: 400,025 km (0.116 R)
• M3: 911,051 km (0.101 R)
• M4: 1,332,019 km (0.111 R)
• M5: 1,703,621 km (0.038 R)
• M6: 2,249,653 km (0.09 R)
• M7: 2,529,850 km (0.117 R)
• M8: 3,323,167 km (0.076 R)
• M9: 3,650,936 km (0.099 R)
• M10: 4,067,267 km (0.106 R)
• M11: 4,371,699 km (0.086 R)
• M12: 4,995,522 km (0.118 R)
• M13: 5,559,506 km (0.114 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 327.7

Radius: 14.8

Gravity: 1.5 G

Time & Orbit

Eccentricity (e): 0.168

Orbit Range: 1.79 AU - 2.51 AU

Year: 2138 Days

Day: 8.3 Hours

Environment

Temp: -197 °C

Axial Tilt: 48.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 44,343,666 km

• M1: 184,005 km (0.036 R)
• M2: 770,579 km (0.12 R)
• M3: 1,539,212 km (0.075 R)
• M4: 2,011,044 km (0.108 R)
• M5: 2,723,728 km (0.1 R)
• M6: 3,304,617 km (0.095 R)
• M7: 4,470,732 km (0.045 R)
• M8: 5,348,273 km (0.102 R)
• M9: 6,056,619 km (0.103 R)
• M10: 6,902,446 km (0.036 R)
• M11: 7,473,610 km (0.089 R)
• M12: 8,189,137 km (0.04 R)
• M13: 8,651,993 km (0.051 R)
• M14: 9,567,233 km (0.112 R)
• M15: 10,580,010 km (0.105 R)
• M16: 11,519,186 km (0.108 R)
• M17: 12,027,818 km (0.084 R)
• M18: 12,818,742 km (0.096 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 902.2

Radius: 11.8

Gravity: 6.48 G

Time & Orbit

Eccentricity (e): 0.012

Orbit Range: 2.27 AU - 2.33 AU

Year: 2366 Days

Day: 10.1 Hours

Environment

Temp: -203 °C

Axial Tilt: 22.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 44,343,666 km

• M1: 146,756 km (0.041 R)
• M2: 530,773 km (0.057 R)
• M3: 966,103 km (0.088 R)
• M4: 1,583,045 km (0.119 R)
• M5: 2,271,494 km (0.06 R)
• M6: 3,669,337 km (0.114 R)
• M7: 4,182,158 km (0.032 R)
• M8: 6,147,425 km (0.12 R)
• M9: 7,470,170 km (0.104 R)
• M10: 9,871,963 km (0.111 R)
• M11: 10,477,236 km (0.094 R)
• M12: 11,107,193 km (0.082 R)
• M13: 11,554,790 km (0.082 R)
• M14: 12,184,597 km (0.054 R)
• M15: 13,104,474 km (0.111 R)
• M16: 14,306,942 km (0.066 R)
• M17: 14,886,185 km (0.072 R)
• M18: 15,380,755 km (0.102 R)
• M19: 16,350,748 km (0.071 R)
• M20: 17,198,818 km (0.117 R)
• M21: 17,798,556 km (0.111 R)
• M22: 18,243,610 km (0.063 R)

Planet 4 - Gas Giant

Semi-Major Axis: 2.35 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 103.9

Radius: 14.6

Gravity: 0.49 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 2.17 AU - 2.53 AU

Year: 2443 Days

Day: 5.9 Hours

Environment

Temp: -202 °C

Axial Tilt: 36 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 44,343,666 km

• M1: 196,123 km (0.068 R)
• M2: 1,307,635 km (0.037 R)
• M3: 2,145,383 km (0.119 R)
• M4: 3,265,871 km (0.056 R)
• M5: 5,452,842 km (0.114 R)
• M6: 7,452,368 km (0.096 R)
• M7: 8,486,089 km (0.116 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 33.9

Radius: 8.7

Gravity: 0.45 G

Time & Orbit

Eccentricity (e): 0.201

Orbit Range: 1.89 AU - 2.83 AU

Year: 2459 Days

Day: 11.3 Hours

Environment

Temp: -205 °C

Axial Tilt: 16.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 44,343,666 km

• M1: 195,375 km (0.075 R)
• M2: 615,595 km (0.119 R)
• M3: 994,227 km (0.114 R)
• M4: 2,071,781 km (0.101 R)
• M5: 2,603,901 km (0.108 R)
• M6: 4,298,396 km (0.082 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.49 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 122.2

Radius: 14.7

Gravity: 0.57 G

Time & Orbit

Eccentricity (e): 0.018

Orbit Range: 2.45 AU - 2.53 AU

Year: 2665 Days

Day: 14.7 Hours

Environment

Temp: -200 °C

Axial Tilt: 39.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 44,343,666 km

• M1: 184,903 km (0.068 R)
• M2: 1,106,426 km (0.076 R)
• M3: 2,360,804 km (0.091 R)
• M4: 5,358,895 km (0.1 R)
• M5: 7,198,500 km (0.061 R)
• M6: 8,465,744 km (0.084 R)
• M7: 9,081,040 km (0.093 R)
• M8: 9,998,822 km (0.062 R)

Planet 7 - Gas Giant

Semi-Major Axis: 4.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 963.7

Radius: 13.3

Gravity: 5.45 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 4.68 AU - 4.72 AU

Year: 6911 Days

Day: 6.9 Hours

Environment

Temp: -215 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 44,343,666 km

• M1: 165,455 km (0.075 R)
• M2: 661,073 km (0.106 R)
• M3: 1,083,388 km (0.111 R)
• M4: 1,510,191 km (0.067 R)
• M5: 2,068,041 km (0.106 R)
• M6: 2,841,761 km (0.094 R)
• M7: 4,289,121 km (0.069 R)
• M8: 5,085,280 km (0.078 R)
• M9: 6,533,089 km (0.082 R)
• M10: 7,047,256 km (0.045 R)
• M11: 8,666,803 km (0.106 R)
• M12: 9,564,241 km (0.113 R)
• M13: 10,572,082 km (0.052 R)
• M14: 12,574,449 km (0.097 R)
• M15: 13,026,384 km (0.119 R)
• M16: 16,769,772 km (0.074 R)
• M17: 18,305,843 km (0.093 R)
• M18: 19,933,916 km (0.078 R)
• M19: 20,394,229 km (0.117 R)
• M20: 23,817,926 km (0.106 R)
• M21: 25,039,692 km (0.097 R)
• M22: 25,846,772 km (0.092 R)
• M23: 26,671,206 km (0.095 R)
• M24: 29,249,974 km (0.033 R)
• M25: 31,678,097 km (0.057 R)
• M26: 32,622,359 km (0.042 R)
• M27: 35,232,243 km (0.039 R)
• M28: 36,359,762 km (0.05 R)
• M29: 39,163,675 km (0.118 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9.15 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 180.2

Radius: 4.2

Gravity: 10.22 G

Time & Orbit

Eccentricity (e): 0.025

Orbit Range: 8.92 AU - 9.38 AU

Year: 18773 Days

Day: 24.6 Hours

Environment

Temp: -237 °C

Axial Tilt: 28.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 44,343,666 km

• M1: 52,210 km (0.087 R)
• M2: 431,291 km (0.087 R)
• M3: 569,968 km (0.108 R)
• M4: 872,754 km (0.119 R)
• M5: 1,325,437 km (0.041 R)
• M6: 1,596,359 km (0.117 R)
• M7: 1,729,950 km (0.11 R)
• M8: 2,634,269 km (0.052 R)
• M9: 3,017,838 km (0.087 R)
• M10: 4,166,301 km (0.106 R)
• M11: 5,280,057 km (0.08 R)
• M12: 5,853,017 km (0.118 R)
• M13: 7,485,578 km (0.049 R)
• M14: 7,735,108 km (0.096 R)
• M15: 8,339,184 km (0.087 R)
• M16: 9,787,441 km (0.119 R)
• M17: 10,441,931 km (0.108 R)
• M18: 11,893,480 km (0.071 R)
• M19: 12,176,219 km (0.066 R)
• M20: 14,093,615 km (0.113 R)
• M21: 16,620,772 km (0.114 R)
• M22: 19,905,792 km (0.089 R)
• M23: 22,037,113 km (0.07 R)
• M24: 22,207,056 km (0.11 R)
• M25: 30,267,988 km (0.03 R)
• M26: 33,075,341 km (0.091 R)
• M27: 35,233,291 km (0.055 R)
• M28: 36,524,619 km (0.106 R)
• M29: 39,450,754 km (0.118 R)
• M30: 45,902,760 km (0.06 R)

Planet 9 - Ice Giant

Semi-Major Axis: 10.06 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 115.8

Radius: 7.1

Gravity: 2.3 G

Time & Orbit

Eccentricity (e): 0.134

Orbit Range: 8.71 AU - 11.41 AU

Year: 21642 Days

Day: 16.8 Hours

Environment

Temp: -233 °C

Axial Tilt: 1.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 44,343,666 km

• M1: 88,562 km (0.096 R)
• M2: 464,053 km (0.095 R)
• M3: 1,356,254 km (0.098 R)
• M4: 1,621,641 km (0.109 R)
• M5: 2,366,489 km (0.074 R)
• M6: 6,676,852 km (0.087 R)
• M7: 6,979,788 km (0.063 R)
• M8: 8,155,328 km (0.101 R)
• M9: 9,599,695 km (0.069 R)
• M10: 11,798,634 km (0.094 R)
• M11: 15,463,932 km (0.056 R)
• M12: 16,332,796 km (0.078 R)
• M13: 17,163,214 km (0.109 R)
• M14: 18,535,326 km (0.077 R)
• M15: 19,134,465 km (0.042 R)
• M16: 21,414,486 km (0.067 R)
• M17: 24,311,150 km (0.094 R)
• M18: 25,028,921 km (0.119 R)
• M19: 34,887,570 km (0.06 R)
• M20: 37,911,990 km (0.072 R)
• M21: 38,271,922 km (0.053 R)
• M22: 38,876,747 km (0.064 R)
• M23: 40,229,710 km (0.117 R)
• M24: 43,551,830 km (0.087 R)

Kuiper Belt

Range: 30 - 50 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 541 - 19,399 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit