🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.65 AU

Composition

Type: Main (Rocky/Icy Mix)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 418.4

Radius: 8.4

Gravity: 5.93 G

Time & Orbit

Eccentricity (e): 0.21

Orbit Range: 1.03 AU - 1.57 AU

Year: 957 Days

Day: 6.7 Hours

Environment

Temp: -176 °C

Axial Tilt: 39.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 30,079,082 km

• M1: 105,018 km (0.053 R)
• M2: 547,678 km (0.115 R)
• M3: 875,447 km (0.055 R)
• M4: 1,334,563 km (0.115 R)
• M5: 1,693,897 km (0.027 R)
• M6: 2,196,097 km (0.116 R)
• M7: 2,620,955 km (0.075 R)
• M8: 3,036,986 km (0.091 R)
• M9: 3,896,875 km (0.108 R)
• M10: 4,927,604 km (0.116 R)
• M11: 5,284,246 km (0.082 R)
• M12: 5,773,730 km (0.104 R)
• M13: 6,756,438 km (0.057 R)
• M14: 7,040,824 km (0.111 R)
• M15: 7,333,288 km (0.112 R)
• M16: 7,751,563 km (0.057 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 282.5

Radius: 14.3

Gravity: 1.38 G

Time & Orbit

Eccentricity (e): 0.183

Orbit Range: 1.66 AU - 2.4 AU

Year: 1867 Days

Day: 12.6 Hours

Environment

Temp: -196 °C

Axial Tilt: 9.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 30,079,082 km

• M1: 178,021 km (0.037 R)
• M2: 629,059 km (0.072 R)
• M3: 1,346,979 km (0.101 R)
• M4: 2,632,623 km (0.102 R)
• M5: 3,676,966 km (0.096 R)
• M6: 4,773,070 km (0.1 R)
• M7: 5,377,595 km (0.07 R)
• M8: 6,278,323 km (0.083 R)
• M9: 6,765,115 km (0.113 R)
• M10: 7,479,146 km (0.039 R)
• M11: 8,407,400 km (0.112 R)
• M12: 9,712,193 km (0.09 R)
• M13: 11,282,223 km (0.108 R)

Planet 3 - Gas Giant

Semi-Major Axis: 3.32 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 443.3

Radius: 13.2

Gravity: 2.54 G

Time & Orbit

Eccentricity (e): 0.129

Orbit Range: 2.89 AU - 3.75 AU

Year: 3906 Days

Day: 12.4 Hours

Environment

Temp: -207 °C

Axial Tilt: 24.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 30,079,082 km

• M1: 164,109 km (0.073 R)
• M2: 597,045 km (0.088 R)
• M3: 1,107,024 km (0.098 R)
• M4: 2,128,179 km (0.079 R)
• M5: 2,798,976 km (0.116 R)
• M6: 8,683,408 km (0.067 R)
• M7: 10,720,333 km (0.095 R)
• M8: 14,445,619 km (0.114 R)
• M9: 15,149,627 km (0.115 R)
• M10: 21,371,701 km (0.089 R)

Asteroid Belt

Center: 4.42 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 4 - Gas Giant

Semi-Major Axis: 5.52 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 830.4

Radius: 10.2

Gravity: 7.98 G

Time & Orbit

Eccentricity (e): 0.098

Orbit Range: 4.98 AU - 6.06 AU

Year: 8374 Days

Day: 10.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 46.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (31)

Outer Limit: 30,079,082 km

• M1: 126,859 km (0.032 R)
• M2: 489,035 km (0.053 R)
• M3: 834,307 km (0.075 R)
• M4: 1,277,566 km (0.096 R)
• M5: 1,890,917 km (0.061 R)
• M6: 3,726,932 km (0.101 R)
• M7: 4,225,541 km (0.065 R)
• M8: 4,888,110 km (0.053 R)
• M9: 5,889,219 km (0.026 R)
• M10: 9,145,367 km (0.117 R)
• M11: 10,203,472 km (0.041 R)
• M12: 11,287,907 km (0.065 R)
• M13: 11,885,551 km (0.071 R)
• M14: 17,524,942 km (0.119 R)
• M15: 19,000,725 km (0.07 R)
• M16: 19,691,269 km (0.116 R)
• M17: 22,114,006 km (0.12 R)
• M18: 22,536,171 km (0.109 R)
• M19: 24,101,115 km (0.071 R)
• M20: 25,183,904 km (0.053 R)
• M21: 27,640,600 km (0.111 R)
• M22: 28,032,247 km (0.043 R)
• M23: 29,229,479 km (0.1 R)
• M24: 30,564,640 km (0.1 R)
• M25: 31,406,128 km (0.108 R)
• M26: 33,135,480 km (0.115 R)
• M27: 35,155,799 km (0.062 R)
• M28: 39,070,925 km (0.034 R)
• M29: 41,069,851 km (0.055 R)
• M30: 42,223,700 km (0.116 R)
• M31: 43,795,674 km (0.086 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 494.7

Radius: 5.6

Gravity: 15.77 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 5.56 AU - 7.14 AU

Year: 10332 Days

Day: 18.4 Hours

Environment

Temp: -224 °C

Axial Tilt: 23.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 30,079,082 km

• M1: 69,713 km (0.114 R)
• M2: 270,323 km (0.099 R)
• M3: 487,689 km (0.11 R)
• M4: 714,928 km (0.105 R)
• M5: 1,207,704 km (0.082 R)
• M6: 1,534,725 km (0.111 R)
• M7: 2,049,491 km (0.095 R)
• M8: 2,773,993 km (0.064 R)
• M9: 3,343,961 km (0.044 R)
• M10: 3,656,770 km (0.12 R)
• M11: 4,175,875 km (0.08 R)
• M12: 4,742,851 km (0.092 R)
• M13: 5,359,643 km (0.092 R)
• M14: 7,291,101 km (0.03 R)
• M15: 10,477,236 km (0.038 R)
• M16: 12,344,367 km (0.075 R)
• M17: 12,571,008 km (0.085 R)
• M18: 14,610,775 km (0.087 R)
• M19: 18,656,201 km (0.052 R)
• M20: 20,574,794 km (0.066 R)
• M21: 26,828,433 km (0.074 R)
• M22: 28,965,589 km (0.069 R)
• M23: 34,799,606 km (0.114 R)
• M24: 36,053,386 km (0.111 R)
• M25: 36,984,034 km (0.112 R)
• M26: 37,337,085 km (0.037 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.51 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 593.5

Radius: 4.6

Gravity: 28.05 G

Time & Orbit

Eccentricity (e): 0.208

Orbit Range: 5.16 AU - 7.86 AU

Year: 10725 Days

Day: 21.8 Hours

Environment

Temp: -221 °C

Axial Tilt: 5.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 30,079,082 km

• M1: 197,020 km (0.042 R)
• M2: 390,450 km (0.087 R)
• M3: 1,107,024 km (0.066 R)
• M4: 1,481,767 km (0.072 R)
• M5: 2,401,794 km (0.094 R)
• M6: 3,257,494 km (0.06 R)
• M7: 3,806,518 km (0.118 R)
• M8: 4,651,447 km (0.115 R)
• M9: 5,963,270 km (0.072 R)
• M10: 7,338,972 km (0.115 R)
• M11: 7,755,752 km (0.097 R)
• M12: 8,455,272 km (0.066 R)
• M13: 8,913,191 km (0.078 R)
• M14: 10,805,155 km (0.089 R)
• M15: 16,671,486 km (0.111 R)
• M16: 17,536,910 km (0.103 R)
• M17: 20,884,012 km (0.109 R)
• M18: 24,175,913 km (0.105 R)
• M19: 31,007,450 km (0.092 R)
• M20: 32,868,298 km (0.053 R)
• M21: 40,030,296 km (0.112 R)
• M22: 44,927,981 km (0.068 R)

Planet 7 - Ice Giant

Semi-Major Axis: 7.94 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 335.3

Radius: 4

Gravity: 20.96 G

Time & Orbit

Eccentricity (e): 0.113

Orbit Range: 7.04 AU - 8.84 AU

Year: 14446 Days

Day: 24.6 Hours

Environment

Temp: -236 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (20)

Outer Limit: 30,079,082 km

• M1: 76,295 km (0.101 R)
• M2: 317,147 km (0.12 R)
• M3: 1,085,781 km (0.057 R)
• M4: 1,225,955 km (0.092 R)
• M5: 1,377,946 km (0.06 R)
• M6: 2,356,466 km (0.069 R)
• M7: 2,532,243 km (0.113 R)
• M8: 3,496,551 km (0.101 R)
• M9: 4,157,624 km (0.037 R)
• M10: 6,150,417 km (0.064 R)
• M11: 6,371,822 km (0.1 R)
• M12: 8,116,881 km (0.046 R)
• M13: 9,027,633 km (0.119 R)
• M14: 11,267,113 km (0.09 R)
• M15: 15,891,782 km (0.065 R)
• M16: 18,886,881 km (0.069 R)
• M17: 19,990,165 km (0.114 R)
• M18: 23,826,154 km (0.07 R)
• M19: 37,601,275 km (0.116 R)
• M20: 42,052,111 km (0.113 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.99 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 79.6

Radius: 5.4

Gravity: 2.73 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 7.2 AU - 8.78 AU

Year: 14583 Days

Day: 19.2 Hours

Environment

Temp: -233 °C

Axial Tilt: 15.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 30,079,082 km

• M1: 67,169 km (0.071 R)
• M2: 619,335 km (0.114 R)
• M3: 1,135,897 km (0.057 R)
• M4: 2,002,367 km (0.096 R)
• M5: 2,486,765 km (0.045 R)
• M6: 3,407,092 km (0.099 R)
• M7: 6,980,237 km (0.108 R)
• M8: 9,713,539 km (0.103 R)
• M9: 13,503,452 km (0.066 R)
• M10: 14,696,345 km (0.057 R)
• M11: 16,016,696 km (0.106 R)
• M12: 21,153,438 km (0.117 R)
• M13: 23,133,516 km (0.077 R)
• M14: 29,899,378 km (0.068 R)

Kuiper Belt

Range: 30 - 52 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 248 - 11,004 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit