🌌 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: 43.1

Radius: 12.4

Gravity: 0.28 G

Time & Orbit

Eccentricity (e): 0.156

Orbit Range: 0.53 AU - 0.73 AU

Year: 351 Days

Day: 8 Hours

Environment

Temp: -142 °C

Axial Tilt: 11.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (3)

Outer Limit: 24,806,267 km

• M1: 154,385 km (0.104 R)
• M2: 772,823 km (0.094 R)
• M3: 1,612,665 km (0.099 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.68 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 486.1

Radius: 9

Gravity: 6 G

Time & Orbit

Eccentricity (e): 0.02

Orbit Range: 0.67 AU - 0.69 AU

Year: 394 Days

Day: 5.8 Hours

Environment

Temp: -166 °C

Axial Tilt: 0.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 24,806,267 km

• M1: 111,899 km (0.067 R)
• M2: 410,197 km (0.058 R)
• M3: 746,344 km (0.074 R)
• M4: 1,189,004 km (0.031 R)
• M5: 1,681,181 km (0.073 R)
• M6: 2,693,510 km (0.096 R)
• M7: 3,222,637 km (0.107 R)
• M8: 4,209,235 km (0.078 R)
• M9: 4,850,861 km (0.094 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.7 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 862.2

Radius: 14.1

Gravity: 4.34 G

Time & Orbit

Eccentricity (e): 0.141

Orbit Range: 0.6 AU - 0.8 AU

Year: 412 Days

Day: 5.3 Hours

Environment

Temp: -167 °C

Axial Tilt: 27.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 24,806,267 km

• M1: 179,517 km (0.08 R)
• M2: 781,948 km (0.079 R)
• M3: 2,196,546 km (0.101 R)
• M4: 2,755,443 km (0.084 R)
• M5: 3,505,078 km (0.116 R)
• M6: 4,560,341 km (0.116 R)
• M7: 5,429,804 km (0.084 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.05 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 427

Radius: 10.9

Gravity: 3.59 G

Time & Orbit

Eccentricity (e): 0.077

Orbit Range: 0.97 AU - 1.13 AU

Year: 756 Days

Day: 9.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 15.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 24,806,267 km

• M1: 136,284 km (0.095 R)
• M2: 499,657 km (0.053 R)
• M3: 853,605 km (0.116 R)
• M4: 1,248,544 km (0.09 R)
• M5: 1,856,809 km (0.077 R)
• M6: 2,297,225 km (0.081 R)
• M7: 2,851,784 km (0.113 R)
• M8: 3,546,218 km (0.063 R)
• M9: 5,270,931 km (0.117 R)
• M10: 5,916,596 km (0.094 R)
• M11: 6,375,861 km (0.099 R)
• M12: 6,941,640 km (0.111 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.47 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 306.4

Radius: 9.6

Gravity: 3.32 G

Time & Orbit

Eccentricity (e): 0.004

Orbit Range: 1.46 AU - 1.48 AU

Year: 1253 Days

Day: 9.4 Hours

Environment

Temp: -190 °C

Axial Tilt: 19.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 24,806,267 km

• M1: 121,623 km (0.064 R)
• M2: 441,912 km (0.096 R)
• M3: 961,466 km (0.096 R)
• M4: 1,779,467 km (0.034 R)
• M5: 2,384,440 km (0.086 R)
• M6: 3,069,449 km (0.118 R)
• M7: 4,585,773 km (0.054 R)
• M8: 5,299,056 km (0.069 R)
• M9: 5,941,728 km (0.053 R)
• M10: 6,441,236 km (0.102 R)
• M11: 7,104,552 km (0.068 R)
• M12: 7,935,269 km (0.05 R)
• M13: 8,671,590 km (0.1 R)

Planet 6 - Gas Giant

Semi-Major Axis: 1.69 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 856

Radius: 12.5

Gravity: 5.48 G

Time & Orbit

Eccentricity (e): 0.212

Orbit Range: 1.33 AU - 2.05 AU

Year: 1544 Days

Day: 9.1 Hours

Environment

Temp: -187 °C

Axial Tilt: 12.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,806,267 km

• M1: 156,330 km (0.078 R)
• M2: 728,392 km (0.073 R)
• M3: 1,365,978 km (0.091 R)
• M4: 1,982,621 km (0.117 R)
• M5: 2,535,983 km (0.096 R)
• M6: 3,412,028 km (0.095 R)
• M7: 4,306,923 km (0.117 R)
• M8: 4,738,662 km (0.099 R)
• M9: 6,018,472 km (0.049 R)
• M10: 6,947,924 km (0.092 R)
• M11: 8,028,768 km (0.099 R)
• M12: 8,594,398 km (0.086 R)
• M13: 9,250,534 km (0.114 R)
• M14: 10,176,994 km (0.112 R)
• M15: 13,827,630 km (0.098 R)

Planet 7 - Gas Giant

Semi-Major Axis: 2.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 175.1

Radius: 8.6

Gravity: 2.37 G

Time & Orbit

Eccentricity (e): 0.133

Orbit Range: 1.76 AU - 2.3 AU

Year: 2033 Days

Day: 6.2 Hours

Environment

Temp: -193 °C

Axial Tilt: 1.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (17)

Outer Limit: 24,806,267 km

• M1: 108,758 km (0.103 R)
• M2: 464,352 km (0.034 R)
• M3: 929,003 km (0.117 R)
• M4: 1,272,779 km (0.11 R)
• M5: 2,366,938 km (0.11 R)
• M6: 2,648,780 km (0.093 R)
• M7: 3,113,730 km (0.104 R)
• M8: 3,678,013 km (0.09 R)
• M9: 4,551,964 km (0.112 R)
• M10: 5,377,744 km (0.115 R)
• M11: 5,680,830 km (0.108 R)
• M12: 6,433,157 km (0.11 R)
• M13: 7,129,535 km (0.088 R)
• M14: 8,056,294 km (0.116 R)
• M15: 8,837,195 km (0.059 R)
• M16: 9,638,292 km (0.088 R)
• M17: 10,117,304 km (0.112 R)

Planet 8 - Gas Giant

Semi-Major Axis: 3.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 497.9

Radius: 14.4

Gravity: 2.4 G

Time & Orbit

Eccentricity (e): 0.1

Orbit Range: 3.18 AU - 3.88 AU

Year: 4662 Days

Day: 9.3 Hours

Environment

Temp: -211 °C

Axial Tilt: 4.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (15)

Outer Limit: 24,806,267 km

• M1: 238,309 km (0.096 R)
• M2: 983,307 km (0.112 R)
• M3: 1,717,234 km (0.094 R)
• M4: 2,524,015 km (0.041 R)
• M5: 3,493,110 km (0.071 R)
• M6: 4,674,036 km (0.072 R)
• M7: 5,199,872 km (0.088 R)
• M8: 8,022,934 km (0.106 R)
• M9: 8,595,744 km (0.059 R)
• M10: 13,602,785 km (0.096 R)
• M11: 20,611,445 km (0.067 R)
• M12: 21,212,978 km (0.078 R)
• M13: 22,521,511 km (0.11 R)
• M14: 24,250,563 km (0.11 R)
• M15: 25,223,248 km (0.111 R)

Planet 9 - Gas Giant

Semi-Major Axis: 4.53 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 572.4

Radius: 10.8

Gravity: 4.91 G

Time & Orbit

Eccentricity (e): 0.099

Orbit Range: 4.08 AU - 4.98 AU

Year: 6777 Days

Day: 9 Hours

Environment

Temp: -221 °C

Axial Tilt: 10.4 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,806,267 km

• M1: 135,984 km (0.038 R)
• M2: 474,375 km (0.036 R)
• M3: 971,937 km (0.093 R)
• M4: 2,578,768 km (0.086 R)
• M5: 3,876,679 km (0.111 R)
• M6: 5,041,598 km (0.11 R)
• M7: 6,459,636 km (0.05 R)
• M8: 8,010,517 km (0.088 R)
• M9: 8,810,866 km (0.049 R)
• M10: 11,484,030 km (0.112 R)
• M11: 16,411,934 km (0.115 R)
• M12: 23,460,387 km (0.12 R)
• M13: 29,885,167 km (0.07 R)
• M14: 30,452,442 km (0.075 R)
• M15: 31,316,818 km (0.109 R)
• M16: 34,834,313 km (0.092 R)

Planet 10 - Ice Giant

Semi-Major Axis: 5.58 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 110.6

Radius: 3.4

Gravity: 9.57 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 5.36 AU - 5.8 AU

Year: 9265 Days

Day: 21.7 Hours

Environment

Temp: -224 °C

Axial Tilt: 33.5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 24,806,267 km

• M1: 107,411 km (0.075 R)
• M2: 225,893 km (0.08 R)
• M3: 343,626 km (0.09 R)
• M4: 908,209 km (0.119 R)
• M5: 5,258,664 km (0.052 R)
• M6: 5,526,145 km (0.082 R)
• M7: 6,687,324 km (0.042 R)
• M8: 7,194,311 km (0.104 R)
• M9: 8,943,110 km (0.119 R)
• M10: 10,956,099 km (0.114 R)
• M11: 13,349,665 km (0.041 R)
• M12: 13,846,779 km (0.081 R)
• M13: 15,903,750 km (0.09 R)
• M14: 16,518,746 km (0.108 R)
• M15: 19,705,480 km (0.054 R)
• M16: 20,742,493 km (0.093 R)

Kuiper Belt

Range: 30 - 49 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 495 - 16,206 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit