🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.32 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.63 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 442.1

Radius: 9

Gravity: 5.46 G

Time & Orbit

Eccentricity (e): 0.035

Orbit Range: 0.61 AU - 0.65 AU

Year: 333 Days

Day: 8.9 Hours

Environment

Temp: -142 °C

Axial Tilt: 10 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,798,142 km

• M1: 111,899 km (0.094 R)
• M2: 944,411 km (0.115 R)
• M3: 1,521,111 km (0.088 R)
• M4: 1,946,567 km (0.084 R)
• M5: 2,292,288 km (0.115 R)
• M6: 3,028,609 km (0.074 R)
• M7: 3,355,929 km (0.109 R)
• M8: 3,914,677 km (0.109 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 658.6

Radius: 11.1

Gravity: 5.35 G

Time & Orbit

Eccentricity (e): 0.195

Orbit Range: 0.55 AU - 0.81 AU

Year: 374 Days

Day: 12.5 Hours

Environment

Temp: -161 °C

Axial Tilt: 36.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 64,798,142 km

• M1: 138,079 km (0.11 R)
• M2: 568,023 km (0.074 R)
• M3: 1,018,761 km (0.091 R)
• M4: 1,383,930 km (0.078 R)
• M5: 1,801,308 km (0.084 R)
• M6: 2,175,452 km (0.106 R)
• M7: 2,620,805 km (0.059 R)
• M8: 3,105,353 km (0.088 R)
• M9: 3,565,964 km (0.104 R)
• M10: 4,335,945 km (0.107 R)
• M11: 4,682,114 km (0.076 R)
• M12: 5,046,834 km (0.098 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 871.3

Radius: 11.2

Gravity: 6.95 G

Time & Orbit

Eccentricity (e): 0.026

Orbit Range: 0.66 AU - 0.7 AU

Year: 374 Days

Day: 14.7 Hours

Environment

Temp: -155 °C

Axial Tilt: 19.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 64,798,142 km

• M1: 139,276 km (0.081 R)
• M2: 532,868 km (0.098 R)
• M3: 1,026,840 km (0.095 R)
• M4: 1,536,520 km (0.091 R)
• M5: 2,042,161 km (0.082 R)
• M6: 2,637,261 km (0.106 R)
• M7: 2,998,091 km (0.102 R)
• M8: 3,757,151 km (0.081 R)
• M9: 4,148,648 km (0.03 R)
• M10: 4,757,661 km (0.102 R)

Planet 4 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 339.9

Radius: 11.1

Gravity: 2.76 G

Time & Orbit

Eccentricity (e): 0.052

Orbit Range: 0.8 AU - 0.88 AU

Year: 513 Days

Day: 12.1 Hours

Environment

Temp: -162 °C

Axial Tilt: 43 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,798,142 km

• M1: 138,378 km (0.064 R)
• M2: 502,798 km (0.064 R)
• M3: 1,229,545 km (0.114 R)
• M4: 2,083,001 km (0.117 R)
• M5: 3,217,401 km (0.047 R)
• M6: 3,675,769 km (0.09 R)
• M7: 4,309,915 km (0.102 R)
• M8: 4,681,815 km (0.096 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 959.4

Radius: 13.3

Gravity: 5.42 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.84 AU - 1.24 AU

Year: 707 Days

Day: 11 Hours

Environment

Temp: -171 °C

Axial Tilt: 24.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 64,798,142 km

• M1: 165,455 km (0.111 R)
• M2: 759,209 km (0.092 R)
• M3: 1,311,525 km (0.03 R)
• M4: 2,460,586 km (0.057 R)
• M5: 3,640,315 km (0.026 R)
• M6: 4,245,139 km (0.112 R)
• M7: 5,095,004 km (0.099 R)
• M8: 5,561,002 km (0.098 R)
• M9: 6,282,063 km (0.079 R)
• M10: 6,952,411 km (0.074 R)
• M11: 7,598,375 km (0.098 R)
• M12: 8,083,970 km (0.107 R)
• M13: 8,513,166 km (0.116 R)
• M14: 9,037,357 km (0.036 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.15 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 154.1

Radius: 11.3

Gravity: 1.21 G

Time & Orbit

Eccentricity (e): 0.003

Orbit Range: 1.15 AU - 1.15 AU

Year: 822 Days

Day: 14.1 Hours

Environment

Temp: -173 °C

Axial Tilt: 4.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 64,798,142 km

• M1: 161,267 km (0.066 R)
• M2: 595,100 km (0.074 R)
• M3: 1,063,940 km (0.074 R)
• M4: 1,503,159 km (0.104 R)
• M5: 1,991,148 km (0.089 R)
• M6: 2,398,054 km (0.084 R)
• M7: 3,336,182 km (0.115 R)
• M8: 5,385,075 km (0.107 R)

Planet 7 - Gas Giant

Semi-Major Axis: 1.2 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 343.8

Radius: 9.3

Gravity: 3.98 G

Time & Orbit

Eccentricity (e): 0.091

Orbit Range: 1.09 AU - 1.31 AU

Year: 877 Days

Day: 11.2 Hours

Environment

Temp: -175 °C

Axial Tilt: 28.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 64,798,142 km

• M1: 115,639 km (0.093 R)
• M2: 432,936 km (0.032 R)
• M3: 754,721 km (0.082 R)
• M4: 1,217,577 km (0.118 R)
• M5: 1,537,417 km (0.112 R)
• M6: 1,862,493 km (0.105 R)
• M7: 2,205,073 km (0.105 R)
• M8: 3,600,970 km (0.116 R)
• M9: 4,019,994 km (0.118 R)
• M10: 4,693,184 km (0.116 R)
• M11: 5,039,952 km (0.107 R)
• M12: 5,493,234 km (0.115 R)
• M13: 5,916,596 km (0.097 R)
• M14: 6,996,692 km (0.116 R)
• M15: 7,318,926 km (0.059 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.85 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 583.1

Radius: 3.5

Gravity: 47.6 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 6.19 AU - 9.51 AU

Year: 14667 Days

Day: 23 Hours

Environment

Temp: -231 °C

Axial Tilt: 22.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (42)

Outer Limit: 64,798,142 km

• M1: 44,281 km (0.119 R)
• M2: 184,454 km (0.069 R)
• M3: 321,336 km (0.118 R)
• M4: 458,218 km (0.086 R)
• M5: 833,559 km (0.095 R)
• M6: 1,038,209 km (0.057 R)
• M7: 2,018,225 km (0.086 R)
• M8: 2,130,274 km (0.116 R)
• M9: 2,326,396 km (0.097 R)
• M10: 2,892,924 km (0.11 R)
• M11: 3,793,802 km (0.096 R)
• M12: 4,541,791 km (0.088 R)
• M13: 5,137,939 km (0.11 R)
• M14: 6,088,633 km (0.097 R)
• M15: 6,284,008 km (0.096 R)
• M16: 7,862,415 km (0.077 R)
• M17: 9,322,042 km (0.058 R)
• M18: 9,792,826 km (0.101 R)
• M19: 11,535,941 km (0.06 R)
• M20: 12,511,768 km (0.059 R)
• M21: 13,409,804 km (0.061 R)
• M22: 16,813,753 km (0.077 R)
• M23: 17,826,082 km (0.1 R)
• M24: 18,145,474 km (0.032 R)
• M25: 18,795,776 km (0.069 R)
• M26: 19,970,867 km (0.088 R)
• M27: 22,745,758 km (0.068 R)
• M28: 24,665,847 km (0.108 R)
• M29: 25,463,353 km (0.105 R)
• M30: 25,665,310 km (0.085 R)
• M31: 28,065,907 km (0.044 R)
• M32: 29,044,576 km (0.086 R)
• M33: 29,265,083 km (0.116 R)
• M34: 35,148,319 km (0.044 R)
• M35: 39,031,132 km (0.095 R)
• M36: 42,335,898 km (0.075 R)
• M37: 44,347,242 km (0.119 R)
• M38: 50,921,470 km (0.083 R)
• M39: 53,194,460 km (0.118 R)
• M40: 53,524,622 km (0.076 R)
• M41: 55,195,780 km (0.091 R)
• M42: 58,115,930 km (0.071 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.57 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 551.4

Radius: 6

Gravity: 15.32 G

Time & Orbit

Eccentricity (e): 0.181

Orbit Range: 7.84 AU - 11.3 AU

Year: 19742 Days

Day: 21.2 Hours

Environment

Temp: -239 °C

Axial Tilt: 16.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 64,798,142 km

• M1: 77,193 km (0.103 R)
• M2: 497,263 km (0.094 R)
• M3: 972,685 km (0.049 R)
• M4: 1,264,401 km (0.09 R)
• M5: 1,855,911 km (0.099 R)
• M6: 2,805,409 km (0.101 R)
• M7: 3,399,911 km (0.118 R)
• M8: 4,043,630 km (0.065 R)
• M9: 4,662,517 km (0.078 R)
• M10: 6,419,693 km (0.075 R)
• M11: 7,445,486 km (0.097 R)
• M12: 10,451,356 km (0.054 R)
• M13: 11,297,182 km (0.097 R)
• M14: 12,187,888 km (0.063 R)
• M15: 15,064,506 km (0.109 R)
• M16: 15,443,736 km (0.066 R)
• M17: 26,129,063 km (0.037 R)
• M18: 28,249,613 km (0.052 R)
• M19: 28,942,401 km (0.1 R)
• M20: 38,020,748 km (0.084 R)
• M21: 39,006,897 km (0.11 R)
• M22: 42,668,305 km (0.106 R)
• M23: 44,349,486 km (0.056 R)
• M24: 59,041,941 km (0.112 R)
• M25: 63,851,962 km (0.061 R)

Planet 10 - Ice Giant

Semi-Major Axis: 9.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 381.7

Radius: 6.9

Gravity: 8.02 G

Time & Orbit

Eccentricity (e): 0.092

Orbit Range: 9.07 AU - 10.91 AU

Year: 21056 Days

Day: 22.7 Hours

Environment

Temp: -238 °C

Axial Tilt: 15.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (29)

Outer Limit: 64,798,142 km

• M1: 86,318 km (0.068 R)
• M2: 420,819 km (0.111 R)
• M3: 883,525 km (0.085 R)
• M4: 1,158,785 km (0.079 R)
• M5: 1,664,127 km (0.07 R)
• M6: 2,013,587 km (0.117 R)
• M7: 2,540,621 km (0.114 R)
• M8: 3,130,186 km (0.082 R)
• M9: 4,258,603 km (0.103 R)
• M10: 4,880,182 km (0.084 R)
• M11: 5,159,481 km (0.026 R)
• M12: 6,384,688 km (0.083 R)
• M13: 8,078,135 km (0.053 R)
• M14: 9,290,327 km (0.115 R)
• M15: 14,203,869 km (0.101 R)
• M16: 17,289,475 km (0.098 R)
• M17: 19,030,644 km (0.103 R)
• M18: 25,780,799 km (0.111 R)
• M19: 26,308,730 km (0.084 R)
• M20: 27,605,295 km (0.098 R)
• M21: 31,991,505 km (0.09 R)
• M22: 34,988,548 km (0.098 R)
• M23: 37,355,635 km (0.114 R)
• M24: 42,993,680 km (0.045 R)
• M25: 51,136,591 km (0.102 R)
• M26: 54,697,170 km (0.074 R)
• M27: 58,057,737 km (0.067 R)
• M28: 60,065,041 km (0.087 R)
• M29: 64,798,168 km (0.054 R)

Kuiper Belt

Range: 30 - 60 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 557 - 18,145 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit