🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.52 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 1.03 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 265

Radius: 9.7

Gravity: 2.82 G

Time & Orbit

Eccentricity (e): 0.108

Orbit Range: 0.92 AU - 1.14 AU

Year: 675 Days

Day: 12.6 Hours

Environment

Temp: -170 °C

Axial Tilt: 18.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 74,175,878 km

• M1: 121,473 km (0.075 R)
• M2: 449,242 km (0.061 R)
• M3: 842,086 km (0.045 R)
• M4: 1,153,998 km (0.04 R)
• M5: 1,458,729 km (0.111 R)
• M6: 1,795,324 km (0.106 R)
• M7: 2,648,780 km (0.051 R)
• M8: 3,614,584 km (0.083 R)
• M9: 4,406,854 km (0.099 R)
• M10: 5,342,888 km (0.08 R)
• M11: 5,688,459 km (0.113 R)

Planet 2 - Gas Giant

Semi-Major Axis: 2.1 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 45.7

Radius: 9.9

Gravity: 0.47 G

Time & Orbit

Eccentricity (e): 0.07

Orbit Range: 1.95 AU - 2.25 AU

Year: 1965 Days

Day: 8.8 Hours

Environment

Temp: -185 °C

Axial Tilt: 47.2 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 74,175,878 km

• M1: 123,119 km (0.068 R)
• M2: 891,005 km (0.118 R)
• M3: 1,853,218 km (0.109 R)
• M4: 2,610,782 km (0.103 R)
• M5: 2,920,001 km (0.071 R)
• M6: 3,511,660 km (0.111 R)
• M7: 4,714,577 km (0.113 R)
• M8: 5,062,242 km (0.079 R)
• M9: 5,827,435 km (0.065 R)
• M10: 6,303,605 km (0.088 R)

Planet 3 - Gas Giant

Semi-Major Axis: 2.87 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 88.8

Radius: 14.2

Gravity: 0.44 G

Time & Orbit

Eccentricity (e): 0.039

Orbit Range: 2.76 AU - 2.98 AU

Year: 3139 Days

Day: 13.5 Hours

Environment

Temp: -207 °C

Axial Tilt: 29.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 74,175,878 km

• M1: 177,273 km (0.086 R)
• M2: 1,035,217 km (0.106 R)
• M3: 1,530,536 km (0.105 R)
• M4: 2,453,255 km (0.114 R)
• M5: 3,149,783 km (0.092 R)
• M6: 4,090,754 km (0.097 R)
• M7: 5,075,557 km (0.094 R)
• M8: 5,552,624 km (0.086 R)
• M9: 6,324,549 km (0.12 R)
• M10: 6,925,933 km (0.11 R)
• M11: 8,432,982 km (0.12 R)
• M12: 9,366,323 km (0.113 R)
• M13: 11,040,921 km (0.117 R)

Planet 4 - Gas Giant

Semi-Major Axis: 3 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 387.8

Radius: 14.5

Gravity: 1.84 G

Time & Orbit

Eccentricity (e): 0.028

Orbit Range: 2.92 AU - 3.08 AU

Year: 3355 Days

Day: 10.4 Hours

Environment

Temp: -212 °C

Axial Tilt: 34.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (18)

Outer Limit: 74,175,878 km

• M1: 180,265 km (0.053 R)
• M2: 1,000,511 km (0.105 R)
• M3: 1,931,757 km (0.119 R)
• M4: 2,579,516 km (0.069 R)
• M5: 3,117,171 km (0.058 R)
• M6: 3,600,970 km (0.104 R)
• M7: 4,401,020 km (0.101 R)
• M8: 5,013,473 km (0.06 R)
• M9: 6,854,126 km (0.097 R)
• M10: 7,318,328 km (0.109 R)
• M11: 8,149,344 km (0.082 R)
• M12: 8,940,268 km (0.074 R)
• M13: 10,222,023 km (0.082 R)
• M14: 11,142,498 km (0.069 R)
• M15: 14,284,353 km (0.106 R)
• M16: 15,239,236 km (0.108 R)
• M17: 16,389,494 km (0.077 R)
• M18: 18,975,443 km (0.049 R)

Planet 5 - Ice Giant

Semi-Major Axis: 6.69 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 901.8

Radius: 7.5

Gravity: 16.03 G

Time & Orbit

Eccentricity (e): 0.235

Orbit Range: 5.12 AU - 8.26 AU

Year: 11173 Days

Day: 15.4 Hours

Environment

Temp: -227 °C

Axial Tilt: 38.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (21)

Outer Limit: 74,175,878 km

• M1: 98,136 km (0.103 R)
• M2: 1,557,763 km (0.044 R)
• M3: 2,159,744 km (0.084 R)
• M4: 3,844,665 km (0.046 R)
• M5: 5,447,756 km (0.063 R)
• M6: 6,615,816 km (0.099 R)
• M7: 7,109,938 km (0.065 R)
• M8: 7,628,444 km (0.069 R)
• M9: 9,285,091 km (0.083 R)
• M10: 12,785,532 km (0.035 R)
• M11: 13,486,846 km (0.026 R)
• M12: 15,036,082 km (0.082 R)
• M13: 16,926,101 km (0.03 R)
• M14: 21,258,905 km (0.115 R)
• M15: 25,773,918 km (0.105 R)
• M16: 27,098,457 km (0.117 R)
• M17: 31,918,052 km (0.073 R)
• M18: 42,089,511 km (0.086 R)
• M19: 42,788,731 km (0.096 R)
• M20: 49,433,420 km (0.088 R)
• M21: 52,756,736 km (0.085 R)

Planet 6 - Ice Giant

Semi-Major Axis: 6.88 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 200.8

Radius: 4.7

Gravity: 9.09 G

Time & Orbit

Eccentricity (e): 0.164

Orbit Range: 5.75 AU - 8.01 AU

Year: 11652 Days

Day: 18.3 Hours

Environment

Temp: -228 °C

Axial Tilt: 31.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (14)

Outer Limit: 74,175,878 km

• M1: 61,186 km (0.112 R)
• M2: 299,944 km (0.091 R)
• M3: 569,818 km (0.081 R)
• M4: 2,067,143 km (0.101 R)
• M5: 2,538,077 km (0.102 R)
• M6: 3,266,021 km (0.045 R)
• M7: 3,574,791 km (0.053 R)
• M8: 10,692,657 km (0.114 R)
• M9: 11,077,573 km (0.117 R)
• M10: 13,141,874 km (0.075 R)
• M11: 13,416,835 km (0.086 R)
• M12: 29,015,554 km (0.08 R)
• M13: 31,103,492 km (0.101 R)
• M14: 32,583,164 km (0.073 R)

Planet 7 - Ice Giant

Semi-Major Axis: 11.3 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 422

Radius: 4.7

Gravity: 19.1 G

Time & Orbit

Eccentricity (e): 0.227

Orbit Range: 8.73 AU - 13.87 AU

Year: 24526 Days

Day: 17.2 Hours

Environment

Temp: -229 °C

Axial Tilt: 5 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (34)

Outer Limit: 74,175,878 km

• M1: 58,942 km (0.102 R)
• M2: 213,925 km (0.05 R)
• M3: 543,190 km (0.051 R)
• M4: 795,113 km (0.091 R)
• M5: 972,087 km (0.101 R)
• M6: 1,361,191 km (0.108 R)
• M7: 1,866,084 km (0.096 R)
• M8: 2,245,165 km (0.103 R)
• M9: 2,464,475 km (0.099 R)
• M10: 2,945,881 km (0.115 R)
• M11: 4,354,345 km (0.07 R)
• M12: 4,557,200 km (0.076 R)
• M13: 5,588,976 km (0.117 R)
• M14: 7,462,540 km (0.106 R)
• M15: 12,056,541 km (0.043 R)
• M16: 13,426,409 km (0.071 R)
• M17: 15,049,546 km (0.032 R)
• M18: 19,036,030 km (0.105 R)
• M19: 19,579,070 km (0.073 R)
• M20: 28,420,005 km (0.094 R)
• M21: 34,961,172 km (0.089 R)
• M22: 35,638,402 km (0.065 R)
• M23: 36,740,190 km (0.11 R)
• M24: 39,011,385 km (0.086 R)
• M25: 39,301,754 km (0.076 R)
• M26: 41,374,582 km (0.068 R)
• M27: 42,591,262 km (0.109 R)
• M28: 52,662,041 km (0.105 R)
• M29: 55,177,978 km (0.12 R)
• M30: 58,150,039 km (0.047 R)
• M31: 62,606,858 km (0.093 R)
• M32: 66,870,099 km (0.052 R)
• M33: 69,603,850 km (0.095 R)
• M34: 71,974,528 km (0.077 R)

Kuiper Belt

Range: 30 - 57 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 328 - 19,617 AU

Composition

Type: Cometary Reservoir

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

Gravitational Limit