🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.41 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.81 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 305.2

Radius: 12.4

Gravity: 1.98 G

Time & Orbit

Eccentricity (e): 0.173

Orbit Range: 0.67 AU - 0.95 AU

Year: 486 Days

Day: 5.8 Hours

Environment

Temp: -165 °C

Axial Tilt: 22.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (9)

Outer Limit: 78,695,797 km

• M1: 154,235 km (0.117 R)
• M2: 686,355 km (0.103 R)
• M3: 1,075,609 km (0.03 R)
• M4: 1,593,666 km (0.1 R)
• M5: 2,138,502 km (0.083 R)
• M6: 2,608,388 km (0.028 R)
• M7: 3,263,777 km (0.042 R)
• M8: 4,076,392 km (0.092 R)
• M9: 4,517,556 km (0.083 R)

Planet 2 - Gas Giant

Semi-Major Axis: 1.06 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 576.6

Radius: 12.8

Gravity: 3.52 G

Time & Orbit

Eccentricity (e): 0.245

Orbit Range: 0.8 AU - 1.32 AU

Year: 728 Days

Day: 11.1 Hours

Environment

Temp: -185 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (12)

Outer Limit: 78,695,797 km

• M1: 159,172 km (0.051 R)
• M2: 586,723 km (0.052 R)
• M3: 1,079,797 km (0.097 R)
• M4: 1,502,112 km (0.117 R)
• M5: 1,983,668 km (0.119 R)
• M6: 2,452,956 km (0.12 R)
• M7: 2,902,498 km (0.109 R)
• M8: 3,368,346 km (0.059 R)
• M9: 4,043,032 km (0.076 R)
• M10: 4,531,170 km (0.12 R)
• M11: 5,266,892 km (0.089 R)
• M12: 5,682,176 km (0.093 R)

Planet 3 - Gas Giant

Semi-Major Axis: 1.6 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 788.8

Radius: 13.1

Gravity: 4.6 G

Time & Orbit

Eccentricity (e): 0.084

Orbit Range: 1.47 AU - 1.73 AU

Year: 1350 Days

Day: 7.6 Hours

Environment

Temp: -186 °C

Axial Tilt: 42.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (16)

Outer Limit: 78,695,797 km

• M1: 163,211 km (0.09 R)
• M2: 685,158 km (0.085 R)
• M3: 1,208,152 km (0.046 R)
• M4: 1,717,832 km (0.117 R)
• M5: 2,480,482 km (0.111 R)
• M6: 3,274,548 km (0.079 R)
• M7: 3,682,651 km (0.087 R)
• M8: 5,262,853 km (0.109 R)
• M9: 5,894,156 km (0.056 R)
• M10: 6,551,340 km (0.107 R)
• M11: 7,256,843 km (0.072 R)
• M12: 7,736,603 km (0.052 R)
• M13: 8,152,785 km (0.116 R)
• M14: 10,001,665 km (0.1 R)
• M15: 11,041,669 km (0.109 R)
• M16: 12,526,578 km (0.119 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3.58 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 520.3

Radius: 12.4

Gravity: 3.38 G

Time & Orbit

Eccentricity (e): 0.081

Orbit Range: 3.29 AU - 3.87 AU

Year: 4517 Days

Day: 8.4 Hours

Environment

Temp: -225 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,695,797 km

• M1: 159,471 km (0.073 R)
• M2: 652,396 km (0.096 R)
• M3: 1,082,341 km (0.115 R)
• M4: 1,525,599 km (0.071 R)
• M5: 3,220,842 km (0.059 R)
• M6: 4,458,765 km (0.062 R)
• M7: 5,045,039 km (0.105 R)
• M8: 5,654,650 km (0.088 R)
• M9: 6,107,333 km (0.101 R)
• M10: 6,831,836 km (0.065 R)
• M11: 8,416,227 km (0.112 R)
• M12: 10,028,592 km (0.068 R)
• M13: 10,907,929 km (0.083 R)
• M14: 11,388,736 km (0.087 R)
• M15: 13,504,798 km (0.107 R)
• M16: 14,110,819 km (0.113 R)
• M17: 14,734,941 km (0.088 R)
• M18: 17,476,173 km (0.107 R)
• M19: 17,893,850 km (0.105 R)
• M20: 19,249,955 km (0.1 R)
• M21: 19,695,457 km (0.097 R)
• M22: 23,152,514 km (0.048 R)
• M23: 23,656,659 km (0.094 R)
• M24: 25,137,529 km (0.069 R)
• M25: 25,670,097 km (0.088 R)

Planet 5 - Gas Giant

Semi-Major Axis: 4.21 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 741.1

Radius: 14.6

Gravity: 3.48 G

Time & Orbit

Eccentricity (e): 0.124

Orbit Range: 3.69 AU - 4.73 AU

Year: 5760 Days

Day: 7.5 Hours

Environment

Temp: -211 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 78,695,797 km

• M1: 181,911 km (0.088 R)
• M2: 723,904 km (0.09 R)
• M3: 1,736,382 km (0.081 R)
• M4: 2,894,569 km (0.088 R)
• M5: 3,813,100 km (0.061 R)
• M6: 4,676,429 km (0.077 R)
• M7: 5,487,699 km (0.119 R)
• M8: 6,260,820 km (0.112 R)
• M9: 7,105,600 km (0.056 R)
• M10: 7,797,490 km (0.077 R)
• M11: 8,614,145 km (0.098 R)
• M12: 9,401,628 km (0.103 R)
• M13: 10,883,245 km (0.081 R)
• M14: 11,854,135 km (0.08 R)
• M15: 12,360,823 km (0.119 R)
• M16: 17,015,561 km (0.035 R)
• M17: 21,584,430 km (0.104 R)
• M18: 27,087,238 km (0.077 R)
• M19: 27,790,497 km (0.067 R)
• M20: 28,959,455 km (0.067 R)
• M21: 31,203,423 km (0.119 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.5 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 894.3

Radius: 7.2

Gravity: 17.25 G

Time & Orbit

Eccentricity (e): 0.239

Orbit Range: 4.95 AU - 8.05 AU

Year: 11051 Days

Day: 16.2 Hours

Environment

Temp: -238 °C

Axial Tilt: 37.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (25)

Outer Limit: 78,695,797 km

• M1: 168,148 km (0.027 R)
• M2: 1,153,699 km (0.118 R)
• M3: 1,991,148 km (0.081 R)
• M4: 2,785,812 km (0.098 R)
• M5: 3,329,899 km (0.116 R)
• M6: 3,694,469 km (0.037 R)
• M7: 3,999,349 km (0.102 R)
• M8: 4,351,054 km (0.081 R)
• M9: 4,884,520 km (0.025 R)
• M10: 5,252,381 km (0.092 R)
• M11: 5,495,927 km (0.059 R)
• M12: 8,272,313 km (0.103 R)
• M13: 10,829,390 km (0.079 R)
• M14: 11,224,927 km (0.109 R)
• M15: 11,688,979 km (0.057 R)
• M16: 12,165,598 km (0.111 R)
• M17: 15,443,138 km (0.102 R)
• M18: 18,857,709 km (0.12 R)
• M19: 23,959,595 km (0.046 R)
• M20: 25,217,414 km (0.095 R)
• M21: 25,613,100 km (0.113 R)
• M22: 39,502,515 km (0.108 R)
• M23: 40,982,037 km (0.089 R)
• M24: 48,174,703 km (0.093 R)
• M25: 55,328,772 km (0.108 R)

Planet 7 - Ice Giant

Semi-Major Axis: 6.67 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 799.8

Radius: 3.7

Gravity: 58.42 G

Time & Orbit

Eccentricity (e): 0.135

Orbit Range: 5.77 AU - 7.57 AU

Year: 11487 Days

Day: 21.6 Hours

Environment

Temp: -238 °C

Axial Tilt: 5.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 78,695,797 km

• M1: 54,753 km (0.117 R)
• M2: 179,069 km (0.07 R)
• M3: 736,770 km (0.096 R)
• M4: 879,635 km (0.075 R)
• M5: 1,875,658 km (0.101 R)
• M6: 2,870,634 km (0.103 R)
• M7: 4,352,550 km (0.117 R)
• M8: 6,593,825 km (0.107 R)
• M9: 7,127,740 km (0.116 R)
• M10: 7,779,089 km (0.118 R)
• M11: 10,236,234 km (0.104 R)
• M12: 10,727,514 km (0.026 R)
• M13: 14,009,691 km (0.047 R)
• M14: 17,286,034 km (0.05 R)
• M15: 19,182,337 km (0.115 R)
• M16: 19,428,724 km (0.041 R)
• M17: 28,474,010 km (0.076 R)
• M18: 32,598,274 km (0.113 R)
• M19: 33,066,515 km (0.043 R)
• M20: 34,862,886 km (0.079 R)
• M21: 35,229,850 km (0.106 R)
• M22: 38,258,459 km (0.074 R)
• M23: 40,236,890 km (0.111 R)
• M24: 41,730,326 km (0.057 R)
• M25: 42,699,720 km (0.059 R)
• M26: 51,473,785 km (0.103 R)

Planet 8 - Ice Giant

Semi-Major Axis: 9 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 935.1

Radius: 8

Gravity: 14.61 G

Time & Orbit

Eccentricity (e): 0.186

Orbit Range: 7.33 AU - 10.67 AU

Year: 18005 Days

Day: 15.6 Hours

Environment

Temp: -230 °C

Axial Tilt: 3.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 78,695,797 km

• M1: 100,380 km (0.107 R)
• M2: 409,449 km (0.108 R)
• M3: 747,241 km (0.054 R)
• M4: 1,298,360 km (0.085 R)
• M5: 1,698,684 km (0.064 R)
• M6: 2,242,921 km (0.1 R)
• M7: 2,772,797 km (0.106 R)
• M8: 3,586,160 km (0.077 R)
• M9: 4,655,037 km (0.118 R)
• M10: 9,690,052 km (0.088 R)
• M11: 10,101,895 km (0.049 R)
• M12: 14,886,035 km (0.105 R)
• M13: 15,434,611 km (0.068 R)
• M14: 17,246,690 km (0.111 R)
• M15: 18,203,817 km (0.102 R)
• M16: 44,877,566 km (0.104 R)
• M17: 50,616,140 km (0.113 R)
• M18: 74,300,326 km (0.112 R)

Kuiper Belt

Range: 30 - 54 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 158 - 13,068 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit