🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.35 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 60.2

Radius: 11

Gravity: 0.5 G

Time & Orbit

Eccentricity (e): 0.088

Orbit Range: 0.63 AU - 0.75 AU

Year: 389 Days

Day: 9.9 Hours

Environment

Temp: -152 °C

Axial Tilt: 1.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 74,843,569 km

• M1: 137,331 km (0.055 R)
• M2: 502,350 km (0.076 R)
• M3: 862,731 km (0.113 R)
• M4: 1,423,873 km (0.105 R)
• M5: 1,888,075 km (0.116 R)
• M6: 2,424,832 km (0.032 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.98 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 960.9

Radius: 9.7

Gravity: 10.21 G

Time & Orbit

Eccentricity (e): 0.034

Orbit Range: 0.95 AU - 1.01 AU

Year: 658 Days

Day: 14.8 Hours

Environment

Temp: -164 °C

Axial Tilt: 41.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 74,843,569 km

• M1: 120,725 km (0.083 R)
• M2: 433,385 km (0.112 R)
• M3: 755,020 km (0.05 R)
• M4: 1,056,759 km (0.09 R)
• M5: 1,375,852 km (0.072 R)
• M6: 2,456,547 km (0.103 R)
• M7: 2,832,486 km (0.079 R)
• M8: 3,260,037 km (0.027 R)
• M9: 3,587,357 km (0.091 R)
• M10: 4,389,202 km (0.095 R)
• M11: 5,606,479 km (0.111 R)
• M12: 8,139,321 km (0.104 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.19 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 93.8

Radius: 9.7

Gravity: 1 G

Time & Orbit

Eccentricity (e): 0.067

Orbit Range: 1.11 AU - 1.27 AU

Year: 880 Days

Day: 12.9 Hours

Environment

Temp: -177 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,843,569 km

• M1: 120,576 km (0.04 R)
• M2: 507,735 km (0.068 R)
• M3: 1,060,799 km (0.099 R)
• M4: 1,388,418 km (0.116 R)
• M5: 1,915,601 km (0.107 R)
• M6: 2,462,979 km (0.029 R)
• M7: 3,164,593 km (0.119 R)
• M8: 3,834,193 km (0.087 R)
• M9: 4,209,534 km (0.1 R)
• M10: 4,719,962 km (0.097 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.22 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 187.6

Radius: 14.2

Gravity: 0.93 G

Time & Orbit

Eccentricity (e): 0.229

Orbit Range: 0.94 AU - 1.5 AU

Year: 914 Days

Day: 11.3 Hours

Environment

Temp: -184 °C

Axial Tilt: 12.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 74,843,569 km

• M1: 176,675 km (0.109 R)
• M2: 876,943 km (0.104 R)
• M3: 2,006,556 km (0.079 R)
• M4: 2,525,810 km (0.066 R)
• M5: 3,499,992 km (0.095 R)
• M6: 3,946,841 km (0.069 R)
• M7: 5,051,322 km (0.071 R)
• M8: 5,693,545 km (0.067 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.34 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 260.1

Radius: 13.6

Gravity: 1.41 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 1.01 AU - 1.67 AU

Year: 1052 Days

Day: 10.8 Hours

Environment

Temp: -190 °C

Axial Tilt: 35.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,843,569 km

• M1: 169,195 km (0.085 R)
• M2: 646,113 km (0.041 R)
• M3: 1,081,293 km (0.031 R)
• M4: 1,548,338 km (0.068 R)
• M5: 2,414,360 km (0.109 R)
• M6: 3,386,746 km (0.084 R)
• M7: 4,386,808 km (0.089 R)
• M8: 5,117,294 km (0.104 R)
• M9: 5,703,269 km (0.105 R)
• M10: 7,268,661 km (0.063 R)

Asteroid Belt

Center: 1.63 AU

Composition

Type: Outer System (Icy)

A dense region of planetesimals and debris.

Boundary

Planet 6 - Gas Giant

Semi-Major Axis: 1.92 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 217.5

Radius: 14

Gravity: 1.11 G

Time & Orbit

Eccentricity (e): 0.224

Orbit Range: 1.49 AU - 2.35 AU

Year: 1804 Days

Day: 7.6 Hours

Environment

Temp: -207 °C

Axial Tilt: 4.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,843,569 km

• M1: 174,132 km (0.112 R)
• M2: 719,865 km (0.044 R)
• M3: 1,213,239 km (0.111 R)
• M4: 2,853,131 km (0.092 R)
• M5: 3,818,186 km (0.094 R)
• M6: 6,479,832 km (0.091 R)
• M7: 7,363,955 km (0.113 R)
• M8: 7,886,201 km (0.118 R)
• M9: 8,811,763 km (0.104 R)
• M10: 9,429,902 km (0.095 R)
• M11: 10,167,270 km (0.066 R)

Planet 7 - Gas Giant

Semi-Major Axis: 5.36 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 940.5

Radius: 13.5

Gravity: 5.16 G

Time & Orbit

Eccentricity (e): 0.232

Orbit Range: 4.12 AU - 6.6 AU

Year: 8417 Days

Day: 6.9 Hours

Environment

Temp: -226 °C

Axial Tilt: 38.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,843,569 km

• M1: 167,849 km (0.101 R)
• M2: 721,511 km (0.091 R)
• M3: 1,420,282 km (0.111 R)
• M4: 2,996,745 km (0.052 R)
• M5: 4,063,228 km (0.07 R)
• M6: 4,655,037 km (0.114 R)
• M7: 5,500,265 km (0.071 R)
• M8: 6,154,606 km (0.039 R)
• M9: 6,783,665 km (0.082 R)
• M10: 9,986,256 km (0.102 R)
• M11: 11,122,153 km (0.066 R)
• M12: 11,888,692 km (0.077 R)
• M13: 15,113,723 km (0.103 R)
• M14: 15,781,827 km (0.071 R)
• M15: 16,261,139 km (0.044 R)
• M16: 19,266,859 km (0.091 R)
• M17: 22,452,995 km (0.092 R)
• M18: 24,579,678 km (0.105 R)
• M19: 26,644,278 km (0.039 R)
• M20: 28,923,851 km (0.096 R)
• M21: 32,088,893 km (0.068 R)
• M22: 36,778,337 km (0.116 R)
• M23: 40,358,663 km (0.074 R)
• M24: 40,870,138 km (0.1 R)
• M25: 44,844,954 km (0.06 R)
• M26: 46,644,766 km (0.112 R)

Planet 8 - Ice Giant

Semi-Major Axis: 6.35 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 167.8

Radius: 4.8

Gravity: 7.28 G

Time & Orbit

Eccentricity (e): 0.218

Orbit Range: 4.97 AU - 7.73 AU

Year: 10853 Days

Day: 20.2 Hours

Environment

Temp: -236 °C

Axial Tilt: 6.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 74,843,569 km

• M1: 59,690 km (0.08 R)
• M2: 280,047 km (0.089 R)
• M3: 553,662 km (0.116 R)
• M4: 838,795 km (0.062 R)
• M5: 1,195,885 km (0.112 R)
• M6: 1,357,900 km (0.088 R)
• M7: 1,584,391 km (0.083 R)
• M8: 2,752,750 km (0.114 R)
• M9: 3,300,279 km (0.032 R)
• M10: 3,512,408 km (0.119 R)
• M11: 5,319,551 km (0.056 R)
• M12: 7,341,964 km (0.104 R)
• M13: 8,582,430 km (0.037 R)
• M14: 10,132,413 km (0.097 R)
• M15: 10,400,194 km (0.109 R)
• M16: 10,718,538 km (0.053 R)
• M17: 11,184,535 km (0.098 R)
• M18: 11,567,057 km (0.11 R)
• M19: 11,958,255 km (0.109 R)
• M20: 14,268,795 km (0.118 R)
• M21: 22,122,084 km (0.11 R)
• M22: 23,570,491 km (0.115 R)
• M23: 24,119,665 km (0.107 R)
• M24: 27,422,486 km (0.108 R)
• M25: 29,271,516 km (0.079 R)
• M26: 30,827,932 km (0.045 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.82 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 598.6

Radius: 4.7

Gravity: 27.1 G

Time & Orbit

Eccentricity (e): 0.015

Orbit Range: 9.67 AU - 9.97 AU

Year: 20872 Days

Day: 20.8 Hours

Environment

Temp: -234 °C

Axial Tilt: 23.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (23)

Outer Limit: 74,843,569 km

• M1: 58,493 km (0.118 R)
• M2: 331,658 km (0.111 R)
• M3: 674,836 km (0.093 R)
• M4: 822,639 km (0.069 R)
• M5: 1,171,800 km (0.065 R)
• M6: 2,395,959 km (0.104 R)
• M7: 3,432,673 km (0.084 R)
• M8: 6,342,501 km (0.106 R)
• M9: 8,022,784 km (0.059 R)
• M10: 11,769,164 km (0.09 R)
• M11: 12,705,497 km (0.102 R)
• M12: 13,404,119 km (0.066 R)
• M13: 15,339,766 km (0.114 R)
• M14: 16,131,438 km (0.109 R)
• M15: 18,758,227 km (0.113 R)
• M16: 32,243,577 km (0.069 R)
• M17: 40,841,715 km (0.107 R)
• M18: 43,440,828 km (0.116 R)
• M19: 43,753,637 km (0.118 R)
• M20: 45,340,571 km (0.077 R)
• M21: 58,103,065 km (0.084 R)
• M22: 66,637,923 km (0.063 R)
• M23: 70,445,637 km (0.108 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: 508 - 13,276 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit