🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.29 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 341.9

Radius: 8.9

Gravity: 4.32 G

Time & Orbit

Eccentricity (e): 0.189

Orbit Range: 0.47 AU - 0.69 AU

Year: 305 Days

Day: 5.5 Hours

Environment

Temp: -141 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 48,760,658 km

• M1: 110,702 km (0.114 R)
• M2: 388,954 km (0.057 R)
• M3: 753,076 km (0.108 R)
• M4: 1,122,433 km (0.099 R)
• M5: 1,678,638 km (0.063 R)
• M6: 2,555,730 km (0.104 R)
• M7: 2,886,790 km (0.068 R)
• M8: 3,468,127 km (0.111 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 159.7

Radius: 9.9

Gravity: 1.63 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 0.68 AU - 1.06 AU

Year: 560 Days

Day: 11.2 Hours

Environment

Temp: -176 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 48,760,658 km

• M1: 123,269 km (0.045 R)
• M2: 723,306 km (0.082 R)
• M3: 1,233,285 km (0.052 R)
• M4: 1,612,216 km (0.062 R)
• M5: 2,295,579 km (0.112 R)
• M6: 3,041,325 km (0.087 R)
• M7: 3,454,664 km (0.118 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.99 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 888.2

Radius: 10.9

Gravity: 7.48 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 0.76 AU - 1.22 AU

Year: 680 Days

Day: 10.4 Hours

Environment

Temp: -177 °C

Axial Tilt: 25.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 48,760,658 km

• M1: 135,835 km (0.114 R)
• M2: 515,813 km (0.062 R)
• M3: 870,660 km (0.094 R)
• M4: 1,842,896 km (0.054 R)
• M5: 2,424,981 km (0.09 R)
• M6: 2,914,915 km (0.05 R)
• M7: 3,415,619 km (0.108 R)
• M8: 3,853,940 km (0.102 R)
• M9: 4,329,811 km (0.085 R)
• M10: 5,125,821 km (0.111 R)
• M11: 5,799,610 km (0.107 R)
• M12: 6,405,182 km (0.029 R)
• M13: 6,963,781 km (0.071 R)
• M14: 7,369,341 km (0.051 R)
• M15: 8,656,032 km (0.106 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 991

Radius: 10.5

Gravity: 8.99 G

Time & Orbit

Eccentricity (e): 0.075

Orbit Range: 0.94 AU - 1.1 AU

Year: 711 Days

Day: 7 Hours

Environment

Temp: -178 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 48,760,658 km

• M1: 130,599 km (0.104 R)
• M2: 584,030 km (0.12 R)
• M3: 1,059,003 km (0.114 R)
• M4: 1,405,771 km (0.109 R)
• M5: 1,948,512 km (0.117 R)
• M6: 2,513,095 km (0.076 R)
• M7: 3,053,592 km (0.107 R)
• M8: 3,526,321 km (0.081 R)
• M9: 4,517,706 km (0.072 R)
• M10: 6,006,654 km (0.07 R)
• M11: 6,361,201 km (0.116 R)
• M12: 6,885,541 km (0.092 R)

Planet 5 - Gas Giant

Semi-Major Axis: 2.01 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 704.1

Radius: 12.2

Gravity: 4.73 G

Time & Orbit

Eccentricity (e): 0.089

Orbit Range: 1.83 AU - 2.19 AU

Year: 1967 Days

Day: 13.9 Hours

Environment

Temp: -205 °C

Axial Tilt: 35.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 48,760,658 km

• M1: 151,842 km (0.059 R)
• M2: 555,307 km (0.098 R)
• M3: 1,143,077 km (0.059 R)
• M4: 1,813,276 km (0.099 R)
• M5: 5,338,998 km (0.081 R)
• M6: 6,051,982 km (0.034 R)
• M7: 7,523,127 km (0.077 R)
• M8: 8,143,659 km (0.089 R)
• M9: 10,752,347 km (0.052 R)
• M10: 12,246,381 km (0.092 R)
• M11: 13,444,061 km (0.091 R)
• M12: 14,537,771 km (0.105 R)
• M13: 15,927,536 km (0.076 R)

Planet 6 - Gas Giant

Semi-Major Axis: 3.02 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 923

Radius: 8.2

Gravity: 13.73 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 2.55 AU - 3.49 AU

Year: 3623 Days

Day: 8.8 Hours

Environment

Temp: -210 °C

Axial Tilt: 42.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 48,760,658 km

• M1: 102,026 km (0.041 R)
• M2: 411,394 km (0.045 R)
• M3: 963,859 km (0.104 R)
• M4: 1,270,984 km (0.097 R)
• M5: 1,728,753 km (0.068 R)
• M6: 3,159,657 km (0.116 R)
• M7: 3,678,312 km (0.045 R)
• M8: 4,002,491 km (0.054 R)
• M9: 4,440,663 km (0.059 R)
• M10: 6,215,492 km (0.072 R)
• M11: 7,462,540 km (0.091 R)
• M12: 7,772,507 km (0.095 R)
• M13: 8,641,521 km (0.086 R)
• M14: 9,295,114 km (0.037 R)
• M15: 9,981,320 km (0.043 R)
• M16: 11,590,993 km (0.107 R)
• M17: 13,979,622 km (0.089 R)
• M18: 14,293,029 km (0.11 R)
• M19: 15,042,664 km (0.074 R)
• M20: 15,427,131 km (0.109 R)
• M21: 17,328,669 km (0.032 R)
• M22: 22,936,645 km (0.119 R)
• M23: 24,867,355 km (0.117 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.93 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 311.2

Radius: 8

Gravity: 4.86 G

Time & Orbit

Eccentricity (e): 0.231

Orbit Range: 3.02 AU - 4.84 AU

Year: 5378 Days

Day: 7.7 Hours

Environment

Temp: -210 °C

Axial Tilt: 35.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 48,760,658 km

• M1: 99,782 km (0.088 R)
• M2: 402,568 km (0.042 R)
• M3: 697,575 km (0.109 R)
• M4: 995,574 km (0.102 R)
• M5: 1,338,751 km (0.104 R)
• M6: 1,809,087 km (0.03 R)
• M7: 2,766,663 km (0.073 R)
• M8: 3,114,927 km (0.09 R)
• M9: 4,049,614 km (0.06 R)
• M10: 4,546,728 km (0.047 R)
• M11: 5,109,066 km (0.025 R)
• M12: 5,772,084 km (0.083 R)
• M13: 8,106,559 km (0.119 R)
• M14: 10,837,019 km (0.084 R)
• M15: 12,853,898 km (0.079 R)
• M16: 15,055,979 km (0.077 R)
• M17: 15,860,815 km (0.109 R)
• M18: 16,864,168 km (0.113 R)
• M19: 18,387,373 km (0.109 R)
• M20: 20,127,945 km (0.049 R)
• M21: 23,362,699 km (0.073 R)

Planet 8 - Ice Giant

Semi-Major Axis: 7.17 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 410.6

Radius: 6.7

Gravity: 9.15 G

Time & Orbit

Eccentricity (e): 0.146

Orbit Range: 6.12 AU - 8.22 AU

Year: 13252 Days

Day: 16.4 Hours

Environment

Temp: -240 °C

Axial Tilt: 10.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (30)

Outer Limit: 48,760,658 km

• M1: 83,326 km (0.107 R)
• M2: 401,670 km (0.067 R)
• M3: 834,756 km (0.107 R)
• M4: 1,270,535 km (0.116 R)
• M5: 1,963,023 km (0.114 R)
• M6: 3,664,101 km (0.114 R)
• M7: 4,578,443 km (0.116 R)
• M8: 6,888,384 km (0.073 R)
• M9: 7,371,285 km (0.119 R)
• M10: 7,663,450 km (0.052 R)
• M11: 10,916,157 km (0.114 R)
• M12: 11,132,176 km (0.105 R)
• M13: 11,797,138 km (0.103 R)
• M14: 14,789,245 km (0.103 R)
• M15: 15,592,436 km (0.067 R)
• M16: 15,866,649 km (0.067 R)
• M17: 17,505,494 km (0.092 R)
• M18: 22,047,435 km (0.072 R)
• M19: 23,810,745 km (0.089 R)
• M20: 24,083,163 km (0.098 R)
• M21: 24,449,528 km (0.119 R)
• M22: 30,829,279 km (0.119 R)
• M23: 32,693,268 km (0.07 R)
• M24: 33,938,671 km (0.109 R)
• M25: 35,806,250 km (0.094 R)
• M26: 38,734,180 km (0.086 R)
• M27: 39,872,171 km (0.09 R)
• M28: 42,613,851 km (0.104 R)
• M29: 43,149,860 km (0.056 R)
• M30: 48,760,678 km (0.056 R)

Kuiper Belt

Range: 30 - 59 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 550 - 13,934 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit